polar atmospheric research

2017

Ryan, N.J., M. Palm, U. Raffalski, R. Larsson, G. Manney, L. Millán, and J. Notholt: Strato-mesospheric carbon monoxide profiles above Kiruna, Sweden (67.8 N, 20.4 E), since 2008, Earth Syst. Sci. Data, 9, 77–89, doi:10.5194/essd-9-77-2017, 2017. [html]

2016

Dalin, P., N. Gavrilov, N. Pertsev, V. Perminov, A. Pogoreltsev, N. Shevchuk, A. Dubietis, P. Völger, M. Zalcik, A. Ling, S. Kulikov, A. Zadorozhny, G. Salakhutdinov, and I. Grigoryeva: A case study of long gravity wave crests in noctilucent clouds and their origin in the upper tropospheric jet stream, Journal of Geophysical Research - Atmospheres, 121, doi:10.1002/2016JD025422, 2016. [html]

Mann, I., I. Häggström, A. Tjulin, S. Rostami, C.C. Anyairo, and P. Dalin: First wind shear observation in PMSE with the tristatic EISCAT VHF radar, Journal of Geophysical Research - Space Physics, 121, doi:10.1002/2016JA023080, 2016. [html]

Ryan, N. J., K. A. Walker, U. Raffalski, R. Kivi, J. Gross, and G. L. Manney: Ozone profiles above Kiruna from two ground-based radiometers, Atmos. Meas. Tech., 9, 4503-4519, doi:10.5194/amt-9-4503-2016, 2016. [html]

Zalcik, M.S., T.W. Lohvinenko, P. Dalin, and W.F. Denig: North American noctilucent cloud observations in 1964-77 and 1988-2014: analysis and comparisons, Journal of the Royal Astronomical Society of Canada, 110, 1, 8-15, 2016. [html]

2015

Dalin, P., A. Pogoreltsev, N. Pertsev, V. Perminov, N. Shevchuk, A. Dubietis, M. Zalcik, S. Kulikov, A. Zadorozhny, D. Kudabayeva, A. Solodovnik, G. Salakhutdinov, I. Grigoryeva: Evidence of the formation of noctilucent clouds due to propagation of an isolated gravity wave caused by a tropospheric occluded front, Geophysical Research Letters, 42, 2037–2046, doi:10.1002/2014GL062776, 2015. [html]

Kirkwood, S., A. Osepian, E. Belova, J. Urban, K. Pérot, and A. K. Sinha: Ionization and NO production in the polar mesosphere during high-speed solar wind streams: model validation and comparison with NO enhancements observed by Odin-SMR, Annales Geophysicae, 33, 561-572, 2015.[pdf]

Kirkwood, S., A. Osepian, E. Belova, and Y.-S. Lee: High-speed solar wind streams and polar mesosphere winter echoes at Troll, Antarctica, Annales Geophysicae, 33, 609-622, 2015. [pdf]

Lee, Y.-S., S. Kirkwood, Y.-S. Kwak, G. G. Shepherd, K.-C. Kim, T.-Y. Yang, and A. Kero: Characteristics of PMSE associated with the geomagnetic disturbance driven by corotating interaction region and high-speed solar wind streams in the declining solar cycle 23, J. Geophys. Res. Space Physics, 120, doi:10.1002/2015JA021144, 2015. [html]

McCrea, I., A. Aikio, L. Alfonsi, E. Belova, S. Buchert, M. Clilverd, N. Engler, B. Gustavsson, C. Heinselman, J. Kero, M. Kosch, H. Lamy, T. Leyser, Y. Ogawa, K. Oksavik, A. Pellinen-Wannberg, F. Pitout, M. Rapp, I. Stanislawska and J. Vierinen: The science case for the EISCAT_3D radar, Progress in Earth and Planetary Science, 2:21, doi:10.1186/s40645-015-0051-8, 2015. [html]

Pertsev, N., P. Dalin and V. Perminov, Influence of semidiurnal and semimonthly lunar tides on the mesopause as observed in hydroxyl layer and noctilucent clouds characteristics, Geomagnetism and Aeronomy, 55, 6, 811–820, doi:10.1134/S0016793215060109, 2015. [html]

Réchou, A., and S. Kirkwood: Investigation of weather anomalies in the low-latitude islands of the Indian Ocean in 1991, Annales Geophysicae, 33, 789-894, doi:10.5194/angeo-33-789-2015, 2015.[html]

2014

Barabash, V., A. Osepian, and P. Dalin: Influence of water vapour on the height distribution of positive ions, effective recombination coefficient and ionization balance in the quiet lower ionosphere, Annales Geophysicae, 32, 207-222, doi:10.5194/angeo-32-207-2014, 2014. [html]

Barthlott, S., M. Schneider, F. Hase, A. Wiegele, E. Christner, Y. González, T. Blumenstock, S. Dohe, O. E. García, E. Sepúlveda, K. Strong, J. Mendonca, D. Weaver, M. Palm, N. M. Deutscher, T. Warneke, J. Notholt, B. Lejeune, E. Mahieu, N. Jones, D. W. T. Griffith, V. A. Velazco, D. Smale, J. Robinson, R. Kivi, P. Heikkinen, and U. Raffalski, Using XCO2 retrievals for assessing the long-term consistency of NDACC/FTIR data sets, Atmos. Meas. Tech. Discuss., 7, 10513–10558, doi:10.5194/amtd-7-10513-2014, 2014. [pdf]

Belova, E., S. Kirkwood, R. Latteck, M. Zecha, H. Pinedo, J. Hedin, J. Gumbel: Multi-radar observations of polar mesosphere summer echoes during the PHOCUs campaign on 20–22 july 2011, J. Atmos. Sol.-Terr. Phys., doi:10.1016/j.jastp.2014.06.011, 2014. [html]

Lee, Y.-S., S. Kirkwood, Y-S. Kwak, K-C. Kim, G. Shepherd: Polar summer mesospheric extreme horizontal drift speeds during interplanetary corotating interaction regions (CIRs) and high-speed solar wind streams: coupling between the solar wind and the mesosphere, Journal of Geophysical Research - Space Physics, 119, doi:10.1002/2014JA019790, 2014.[html]

Pertsev, N., P. Dalin, V. Perminov, V. Romejko, A. Dubietis, R. Balčiunas, K. Černis, M. Zalcik: Noctilucent clouds observed from the ground: sensitivity to mesospheric parameters and long-term time series, Earth, Planets and Space, 66, 98, doi:10.1186/1880-5981-66-98, 2014. [pdf]

Réchou, A., S. Kirkwood, J. Arnault, and P. Dalin: Short vertical-wavelength inertia-gravity waves generated by a jet–front system at Arctic latitudes – VHF radar, radiosondes and numerical modelling, Atmospheric Chemistry and Physics, 14, 6785-6799, doi:10.5194/acp-14-6785-2014, 2014. [html]

Wiegele, A., M. Schneider, F. Hase, S. Barthlott, O.E. García, E. Sepúlveda, Y. González, T. Blumenstock, U. Raffalski, M. Gisi, and R. Kohlhepp: The MUSICA MetOp/IASI H2O and δD products: characterisation and long-term comparison to NDACC/FTIR data, Atmos. Meas. Tech., 7, 2719–2732, doi:10.5194/amt-7-2719-2014, 2014. [pdf]

Zalcik, M.S., M.P. Noble, P. Dalin, M. Robinson, D. Boyer, Z. Dzik, M. Heyhurst, J.G. Kunnunpuram, K. Mayo, G. Toering, M. Toering, K. Wooden, N. Creusot, B. Hengen, S. McVey, C. Packham, G. Prokop, L. Wilson, M. Connors, I. Schofield: In search of trends in noctilucent cloud incidence from the La Ronge flight service station (55N 105W), Journal of the Royal Astronomical Society of Canada, 108, 4, 148-155, 2014. [html]

2013

Arnault, J.: Large-scale dynamical influence of a gravity wave generated over the Antarctic Peninsula - regional modelling and budget analysis, Tellus A, 65, 20254, http://dx.doi.org/10.3402/tellusa.v65i0.20254, 2013. [html]

Belova, E., S. Kirkwood, and T. Sergienko: EISCAT and ESRAD radars observations of polar mesosphere winter echoes during solar proton events on 11-12 November 2004, Annales Geophysicae, 31, 1177-1190, 2013.[html]

Belova, E., S. Kirkwood, M. Zecha, R. Latteck, H. Pinedo, J. Hedin, J. Gumbel, I. Häggström: Multi-radar observations of polar mesosphere summer echoes during the phocus campaign on 21 july 2011, Proceedings of the 21st ESA Symposium on European Rocket & Balloon Programmes and Related Research, 9-13 June 2013, Thun, Switzerland, ESA SP-721, p.499-502, 2013. [pdf]

Dalin, P., V. Perminov, N. Pertsev, A. Dubietis, A. Zadorozhny, A. Smirnov, A. Mezentsev, S. Frandsen, J. Grønne, O. Hansen, H. Andersen, I. McEachran, T. McEwan, J. Rowlands, H. Meyerdierks, M. Zalcik, M. Connors, I. Schofield, I. Veselovsky: Optical studies of rocket exhaust trails and artificial noctilucent clouds produced by Soyuz rocket launches, JGR-Atmospheres, 118, 14, 7850–7863, doi:10.1002/jgrd.50549, 2013.[html]

Dalin, P., M. Connors, I. Schofield, A. Dubietis, N. Pertsev, V. Perminov, M. Zalcik, A. Zadorozhny, T. McEwan, I. McEachran, J. Grønne, O. Hansen, H. Andersen, S. Frandsen, D. Melnikov, V. Romejko, I. Grigoryeva: First common volume ground-based and space measurements of the mesospheric front in noctilucent clouds, Geophysical Research Letters, 40, 6399-6404, doi:10.1002/2013GL058553, 2013. [html]

Dalin, P.A., N.N. Pertsev, V.A. Romejko: The discovery of noctilucent clouds: facts and speculations, Space and Time, 2(12), 183-195, 2013 (in Russian). [pdf]

Hoffmann, C.G., M. Palm, J. Notholt, U. Raffalski, G. Hochschild: A brief example on the application of remotely sensed tracer observations in atmospheric science – studying the impact of stratosphere-mesosphere coupling on polar ozone variability, one chapter in "Earth System Science": Bridging the Gaps between Disciplines, edited by Gerrit Lohmann, Klaus Grosfeld, Dieter Wolf-Gladrow, Vikram Unnithan, Justus Notholt, Anna Wegner, ISBN 978-3-642-32234-1, ISBN 978-3-642-32235-8 (eBook), Springer, pp. 15-19, 2013.

Kirkwood, S., Belova, E., Dalin, P., Mihalikova, M., Mikhaylova, D., Murtagh, D., Nilsson, H., Satheesan, K., Urban, J., and Wolf, I.: Response of polar mesosphere summer echoes to geomagnetic disturbances in the Southern and Northern Hemispheres: the importance of nitric oxide, Annales Geophysicae, 31, 333-347, doi:10.5194/angeo-31-333-2013, 2013. [html]

Lee, Y.-S., S. Kirkwood, G.G. Shepherd, Y.-S. Kwak, K.-C. Kim: Long-periodic strong radar echoes in summer polar D region correlated with the oscillations of high-speed solar wind streams, Geophysical Research Letters, DOI: 10.1002/grl.50821, 2013. [html]

Mihalikova, M., and Kirkwood, S.: Tropopause fold occurrence rates over the Antarctic station Troll (72°S, 2.5°E), Annales Geophysicae, 31, 591-598, doi:10.5194/angeo-31-591-2013, 2013. [html]

Réchou, A., Arnault, J., Dalin, P., and Kirkwood, S.: Case study of stratospheric gravity waves of convective origin over Arctic Scandinavia – VHF radar observations and numerical modelling, Annales Geophysicae, 31, 239-250, doi:10.5194/angeo-31-239-2013, 2013. [html]

Zastenker, G.N., J. Safrankova, Z. Nemecek, L. Prech, I. Cermak, I. Vaverka, A. Komarek, J. Voita, L. S. Chesalin, B.T. Karimov, Yu.N. Agafonov, N.L. Borodkova, E.A. Gavrilova, T.I. Gagua, I.T. Gagua, P.A. Dalin, A.V. D’yachkov, I.V. Koloskova, A.V. Leibov, N.P. Semena, V.V. Chernov, Ya.I. Markov, E.E. Ryazanova, M.O. Ryazantseva, N.N. Shevyrev, V.V. Chrapchenkov, O.M. Chugunova, A.S. Yurasov, Fast measurements of parameters of the Solar Wind using the BMSW instrument, Cosmic Research, 51, 2, 78-89, doi:10.1134/S0010952513020081, 2013. [html]

2012

Arnault, J., Kirkwood, S., Dynamical influence of gravity waves generated by the Vestfjella Mountains in Antarctica: radar observations, fine-scale modeling and kinetic energy budget analysis, Tellus A, 64, 17261, DOI:10.3402/tellusa.v64i0.17261, 2012. [html]

Barabash, V., Osepian, A., Dalin, P., and Kirkwood, S.: Electron density profiles in the quiet lower ionosphere based on the results of modeling and experimental data, Annales Geophysicae, 30, 1345-1360, doi:10.5194/angeo-30-1345-2012, 2012. [pdf]

Belova, E., Kirkwood, S., Rao, T.N., Satheesh Kumar, S., and Sergienko, T.: Spectral characteristics and scatter cross-section of low latitude mesospheric echoes measured by the Indian MST radar at Gadanki, Annales Geophysicae, 30, 983-990, doi:10.5194/angeo-30-983-2012, 2012. [html]

Buehler, S.A., S. Östman, C. Melsheimer, G. Holl, S. Eliasson, V.O. John, T. Blumenstock, F. Hase, G. Elgered, U. Raffalski, T. Nasuno, M. Satoh, M. Milz, and J. Mendrok: A multi-instrument comparison of integrated water vapour measurements at a high latitude site, Atmos. Chem. Phys., 12, 10925-10943, doi:10.5194/acp-12-10925-2012, 2012. [html]

Dalin, P., Kirkwood, S., Hervig, M., Mihalikova, M., Mikhaylova, D., Wolf, I., Osepian, A.: Wave influence on polar mesosphere summer echoes above Wasa: experimental and model studies, Annales Geophysicae, 30, 1143-1157, doi:10.5194/angeo-30-1143-2012, 2012. [pdf]

Dalin, P., Pertsev, N., Romejko, V., Notes on historical aspects on the earliest known observations of noctilucent clouds, History of Geo- and Space Sciences, 3, 87–97, doi:10.5194/hgss-3-87-2012, 2012. [pdf]

Hoffmann, C.G., D.E. Kinnison, R.R. Garcia, M. Palm, J. Notholt, U. Raffalski, and G. Hochschild, CO at 40–80 km above Kiruna observed by the ground-based microwave radiometer KIMRA and simulated by the Whole Atmosphere Community Climate Model, Atmos. Chem. Phys., 12, 3261-3271, 2012. [pdf]

Kerzenmacher, T., Dils, B., Kumps, N., Blumenstock, T., Clerbaux, C., Coheur, P.-F., Demoulin, P., García, O., George, M., Griffith, D. W. T., Hase, F., Hadji-Lazaro, J., Hurtmans, D., Jones, N., Mahieu, E., Notholt, J., Paton-Walsh, C., Raffalski, U., Ridder, T., Schneider, M., Servais, C., and De Mazière, M.: Validation of IASI FORLI carbon monoxide retrievals using FTIR data from NDACC, Atmospheric Measurement Techniques, 5, 2751-2761, doi:10.5194/amt-5-2751-2012, 2012. [html]

Kohlhepp, R., R. Ruhnke, M.P. Chipperfield, M. De Mazière, J. Notholt, S. Barthlott, R.L. Batchelor, R.D. Blatherwick, Th. Blumenstock, M.T. Coffey, P. Demoulin, H. Fast, W. Feng, A. Goldman, D.W.T. Griffith, K. Hamann, J.W. Hannigan, F. Hase, N.B. Jones, A. Kagawa, I. Kaiser, Y. Kasai, O. Kirner, W. Kouker, R. Lindenmaier, E. Mahieu, R.L. Mittermeier, B. Monge-Sanz, I. Morino, I. Murata, H. Nakajima, M. Palm, C. Paton-Walsh, U. Raffalski, Th. Reddmann, M. Rettinger, C.P. Rinsland, E. Rozanov, M. Schneider, C. Senten, C. Servais, B.-M. Sinnhuber, D. Smale, K. Strong, R. Sussmann, J.R. Taylor, G. Vanhaelewyn, T. Warneke, C. Whaley, M. Wiehle, and S.W. Wood, Observed and simulated time evolution of HCl, ClONO2, and HF total column abundances, Atmos. Chem. Phys., 12, 3527-3556, 2012.[pdf]

Mihalikova, M., Kirkwood, S., Arnault, J., and Mikhaylova, D.: Observation of a tropopause fold by MARA VHF wind-profiler radar and ozonesonde at Wasa, Antarctica: comparison with ECMWF analysis and a WRF model simulation, Annales Geophysicae, 30, 1411-1421, doi:10.5194/angeo-30-1411-2012, 2012. [html]

Smirnova, M., Belova, E., and Kirkwood, S., Aspect sensitivity of polar mesosphere summer echoes based on ESRAD MST radar measurements in Kiruna, Sweden in 1997–2010, Annales Geophysicae, 30, 457-465, doi:10.5194/angeo-30-457-2012, 2012. [html]

2011

Angelbratt, J., J. Mellqvist, D. Simpson, J.E. Jonson, T. Blumenstock, T. Borsdorff, P. Duchatelet, F. Forster, F. Hase, E. Mahieu, M. De Mazière, J. Notholt, A.K. Petersen, U. Raffalski, C. Servais, R. Sussmann, T. Warneke, and C. Vigouroux, Carbon monoxide (CO) and ethane (C2H6) trends from ground-based solar FTIR measurements at six European stations, comparison and sensitivity analysis with the EMEP model, Atmos. Chem. Phys., 11, 9253-9269, doi:10.5194/acp-11-9253-2011, 2011. [pdf]

Chilson, P.B., Bonin, T.A., Zielke, B.S., and Kirkwood, S., The small multi-function autonomous research and teaching sonde (SMARTSONDE): relating in-situ measurements of atmospheric parameters to radar returns, Proceedings of the 20th ESA Symposium on European Rocket & Balloon Programmes and Related Research, Hyeres, France (ESA SP-700), 387-392, October 2011. [pdf]

Dalin, P., N. Pertsev, A. Dubietis, M. Zalcik, A. Zadorozhny, M. Connors, I. Schofield, T. McEwan, I. McEachran, S. Frandsen, O. Hansen, H. Andersen, V. Sukhodoev, V. Perminov, R. Balčiunas, V. Romejko, A comparison between ground-based observations of noctilucent clouds and Aura satellite data, Journal of Atmospheric and Solar-Terrestrial Physics, 73, 14-15, 2097-2109, doi:10.1016/j.jastp.2011.01.020, 2011. [html]

Dubietis, A., P. Dalin, R. Balciunas, K. Cernis, N. Pertsev, V. Sukhodoev, V. Perminov, M. Zalcik, A. Zadorozhny, M. Connors, I. Schofield, T. McEwan, I. McEachran, S. Frandsen, O. Hansen, H. Andersen, J. Grönne, D. Melnikov, A. Manevich, and V. Romejko, Noctilucent clouds: modern ground-based photographic observations by a digital camera network, Applied Optics, 50, 28, pp. F72-F79, doi:10.1364/AO.50.000F72, 2011. [html]

Hoffmann, C.G., Raffalski, U., Palm, M., Funke, B., Golchert, S.H.W., Hochschild, G., and Notholt, J., Observation of strato-mesospheric CO above Kiruna with ground-based microwave radiometry – retrieval and satellite comparison, Atmos. Meas. Tech., 4, 2389-2408, doi:10.5194/amt-4-2389-2011, 2011. [html]

Khosrawi, F., Urban, J., Pitts, M.C., Voelger, P., Achtert, P., Kaphlanov, M., Santee, M.L., Manney, G.L., Murtagh, D., and Fricke, K.-H., Denitrification and polar stratospheric cloud formation during the Arctic winter 2009/2010, Atmos. Chem. Phys., 11, 8471-8487, doi:10.5194/acp-11-8471-2011, 2011. [html]

Kirkwood, S., Mihalikova, M., Mikhaylova, D., Wolf, I., and Chilson, P., Independent calibration of radar reflectivities using radiosondes: application to ESRAD, Proceedings of the 20th ESA Symposium on European Rocket & Balloon Programmes and Related Research, Hyeres, France (ESA SP-700), 425-430, October 2011. [pdf]

Kohlhepp, R., Barthlott, S., Blumenstock, T., Hase, F., Kaiser, I., Raffalski, U., and Ruhnke, R., Trends of HCl, ClONO2, and HF column abundances from ground-based FTIR measurements in Kiruna (Sweden) in comparison with KASIMA model calculations, Atmos. Chem. Phys., 11, 4669-4677, doi:10.5194/acp-11-4669-2011, 2011. [pdf]

Mihalikova, M., Kirkwood, S., Mikhaylova, D., Temperature variations seen by high resolution radiosondes as signs of turbulence, comparison with ESRAD, Proceedings of the 20th ESA Symposium on European Rocket & Balloon Programmes and Related Research, Hyeres, France (ESA SP-700), 99-104, October 2011. [pdf]

Mihalikova, M., and Kirkwood, S., Vertical mixing in the lower troposphere by mountain waves over Arctic Scandinavia, Atmos. Chem. Phys. Discuss., 11, 31475-31493, doi:10.5194/acpd-11-31475-2011, 2011. [html]

Smirnova, M., E. Belova, and S. Kirkwood, Polar mesosphere summer echo strength in relation to solar variability and geomagnetic activity during 1997-2009, Annales Geophysicae, 29, 563-572, 2011, doi:10.5194/angeo-29-563-2011. [html]

2010

Belova, E., S. Kirkwood, T. Sergienko, H. Nilsson, S. Satheesh Kumar, T. Narayana Rao, Fine structure of wintertime mesospheric radar echoes - a comparison between high and low latitudes, Proceedings of the Twelfth International workshop on technical and scientific aspects of MST radar, London, Canada, 17-23 May 2009, pp.69-72, 2010.

Dalin, P., N. Pertsev, S. Frandsen, O. Hansen, H. Andersen, A. Dubietis, R. Balciunas, A case study of the evolution of a Kelvin-Helmholtz wave and turbulence in noctilucent clouds, Journal of Atmospheric and Solar-Terrestrial Physics, 72, 14-15, 1129-1138, doi:10.1016/j.jastp.2010.06.011, 2010. [pdf]

Dubietis, A., P. Dalin, R. Balciunas, K. Cernis, Observations of Noctilucent Clouds from Lithuania, Journal of Atmospheric and Solar-Terrestrial Physics, 72, 14-15, 1090-1099, doi:10.1016/j.jastp.2010.07.004, 2010. [html]

Kirkwood, S., Mihalikova, M., Rao, T. N., and Satheesan, K., Turbulence associated with mountain waves over Northern Scandinavia – a case study using the ESRAD VHF radar and the WRF mesoscale model, Atmos. Chem. Phys., 10, 3583-3599, doi:10.5194/acp-10-3583-2010, 2010. [html]

Kirkwood, S., Hervig, M., Belova, E., and Osepian, A., Quantitative relation between PMSE and ice mass density, Annales Geophysicae, 28, 1333-1343, doi:10.5194/angeo-28-1333-2010, 2010. [html]

Kirkwood, S., Belova, E., Satheesan, K., Narayana Rao, T., Rajendra Prasad, T., and Satheesh Kumar, S., Fresnel scatter revisited – comparison of 50 MHz radar and radiosondes in the Arctic, the Tropics and Antarctica, Annales Geophysicae, 28, 1993-2005, doi:10.5194/angeo-28-1993-2010, 2010. [html]

Pertsev, N., and P. Dalin, Lunar semimonthly signal in cloudiness: lunar-phase or lunar-declination effect?, Journal of Atmospheric and Solar-Terrestrial Physics, 72, 713-717, doi:10.1016/j.jastp.2010.03.013, 2010. [pdf]

Satheesan, K., and S. Kirkwood, Turbulence for different background conditions using fuzzy logic and clustering, Annales Geophysicae, 28, 1475-1481, doi:10.5194/angeo-28-1475-2010, 2010. [html]

Smirnova, M., E. Belova, S. Kirkwood, N. Mitchell, Polar mesosphere summer echoes with ESRAD, Kiruna, Sweden: Variations and trends over 1997–2008, Journal of Atmospheric and Solar-Terrestrial Physics, 72, 5-6, 435-447, doi:10.1016/j.jastp.2009.12.014, 2010. [html]

Valkonen, T., T. Vihma, S. Kirkwood, M. Johansson, Fine-scale model simulation of gravity waves generated by Basen nunatak in Antarctica, Tellus, 62A, 319-332, DOI: 10.1111/j.1600-0870.2010.00443.x, 2010. [html]

Völger, P., Lidar observations at IRF, NordicSpace, 2, pp.10-12, 2010. [html]

2009

Belova, A., S. Kirkwood, and D. Murtagh, Planetary waves in ozone and temperature in the Northern Hemisphere winters of 2002/2003 and early 2005, Annales Geophysicae, 27, 1189-1206, 2009. [pdf]

Lossow, S., Khaplanov, M., Gumbel, J., Stegman, J., Witt, G., Dalin, P., Kirkwood, S., Schmidlin, F. J., Fricke, K. H., and Blum, U.: Middle atmospheric water vapour and dynamics in the vicinity of the polar vortex during the Hygrosonde-2 campaign, Atmos. Chem. Phys., 9, 4407-4417, 2009. [pdf]

Osepian, A., S. Kirkwood, P. Dalin, The influence of ozone concentration on the lower ionosphere – modelling and measurements during the 29-30 October 2003 solar proton event, Annales Geophysicae, 27, 577-589, 2009. [pdf]

Osepian, A., S. Kirkwood, P. Dalin, and V. Tereschenko, D-region electron density and effective recombination coefficients during twilight - experimental data and modeling during solar proton events, Annales Geophysicae, 27, 3713–3724, 2009. [pdf]

Tavares, A.D., M.D. Tavares, J. Rendtel, P. Dalin, E. Friis-Christensen: Nuvens, suas relações com a quimica da atmosfera e os raios cósmicos, Publicação da Sociedade Brasileira de Geofisica, 3, pp. 17-20, 2009.[pdf]

Virkkula, A., E. Asmi, K. Teinilä, A. Frey, M. Aurela, H. Timonen, T. Mäkelä, A. Samuli, R. Hillamo, P.P. Aalto, S. Kirkwood, M. Kulmala, Review of aerosol research in Aboa and the surroundings, Geophysica, 45, 1-2, 163-181, 2009. [pdf]

2008

Belova, A., S. Kirkwood, U. Raffalski, G. Kopp, G. Hochschild, and J. Urban, Five-day planetary waves as seen by Odin satellite and the ground-based Kiruna millimeter wave radiometer in January-March 2005, Can. J. of Phys., 86, 459-466, 2008. [html]

Belova, A., S. Kirkwood, D. Murtagh, N. Mitchell, W. Singer, and W. Hocking, Five-day planetary waves in the middle atmosphere from ODIN satellite data and ground-based instruments in Northern Hemisphere summer 2003, 2004, 2005 and 2007, Annales Geophysicae, 26, 3557–3570, 2008. [pdf]

Belova, E., M. Smirnova, M. T. Rietveld, B. Isham, S. Kirkwood, and T. Sergienko, First observation of the overshoot effect for polar mesosphere winter echoes during radiowave electron temperature modulation, Geophys. Res. Lett., 35, L03110, doi:10.1029/2007GL032457, 2008.

Dalin, P.A., Yu.I. Yermolaev, G.N. Zastenker, M.O. Riazantseva, Large-scale solar wind density enhancement and its boundaries: Helios 1, 2 and IMP 8 observations, Planetary and Space Science, 56, 3-4, 398-405, doi:10.1016/j.pss.2007.11.016, 2008. [pdf]

Dalin, P., N. Pertsev, A. Zadorozhny, M. Connors, I. Schofield, I. Shelton, M. Zalcik, T. McEwan, I. McEachran, S. Frandsen, O. Hansen, H. Andersen, V. Sukhodoev, V. Perminov, V. Romejko, Ground-based observations of noctilucent clouds with a northern hemisphere network of automatic digital cameras, J. Atmos. Solar-Terr. Phys., 70, 11-12, 1460-1472, doi:10.1016/j.jastp.2008.04.018, 2008. [pdf]

Kirkwood, S., P. Dalin, A. Rechou, Noctilucent clouds observed from the UK and Denmark – trends and variations over 43 years, Annales Geophysicae, 26, 1243-1254, 2008. [pdf]

Kirkwood, S., H. Nilsson, R.J. Morris, A.R. Klekociuk, D.A. Holdsworth, N.J. Mitchell, A new height for the summer mesopause – Antarctica, December 2007, Geophysical Research Letters 35, L23810, doi: 10.1029/2008GL035915, 2008. [pdf]

Nilsson, H., S. Kirkwood, R. J Morris, R. Latteck, A. R. Klekociuk, D. J. Murphy, M. Zecha, and E. Belova, Simultaneous observations of Polar Mesosphere Summer Echoes at two different latitudes in Antarctica, Annales Geophysicae, 26, 3783-3792 2008. [pdf]

Osepian, A., V. Tereschenko, P. Dalin, and S. Kirkwood, The role of atomic oxygen concentration in the ionization balance of the lower ionosphere during solar proton events, Annales Geophysicae, 26, 131-143, 2008. [pdf]

T. Narayana Rao, J. Arvelius, and S. Kirkwood, Climatology of Tropopause Folds over a European Arctic Station – ESRANGE, J. Geophys. Res., 113, D00B03, doi:10.1029/2007JD009638, 2008. [pdf]

2007

Ballinger, A. P., P. B. Chilson, R. D. Palmer, S. Kirkwood, and N. J. Mitchell, The effect of charged particles on the polar mesopause region, as observed by MST and meteor radars, 33rd International Conference on Radar Meteorology, Cairns, Australia, August 2007. [html]

Belova, E., P. Dalin, and S. Kirkwood, Polar mesosphere summer echoes: a comparison of simultaneous observations at three wavelengths, Annales Geophysicae, 25, 2487-2496, 2007. [pdf]

Belova, E., M. Smirnova, M. Rietveld, B. Isham, S. Kirkwood, T. Sergienko, Is there an overshoot effect for polar mesosphere winter echoes?, Proceedings of the 18th ESA Symposium on European Rocket and Balloon Programmes and Related research, Visby, Sweden, June 2007, ESA SP-647, 247-250, 2007.

Dalin, P., P. Voelger, A. Moström, A case study of polar stratospheric clouds observed by the IRF lidar, Proceedings of the 18th ESA Symposium on European Rocket and Balloon Programmes and Related research, Visby, Sweden, June 2007, ESA SP-647, 163-166, 2007.

Farahani, E., H. Fast, R. L. Mittermeier, Y. Makino, K. Strong, C. McLandress, T. G. Shepherd, M. P. Chipperfield, J. W. Hannigan, M. T. Coffey, S. Mikuteit, F. Hase, T. Blumenstock, U. Raffalski, Nitric acid measurements at Eureka obtained in winter 2001–2002 using solar and lunar Fourier transform infrared absorption spectroscopy: Comparisons with observations at Thule and Kiruna and with results from three-dimensional models, J. Geophys. Res., 112, D01305, doi:10.1029/2006JD007096, 2007.

Kirkwood, S., Polar Mesosphere WINTER Echoes – a review of recent results, J. Adv. Space Res., 40(6), 751-757, doi:10.1016/j.asr.2007.01.024, 2007. [pdf] [Full Article in ScienceDirect]

Kirkwood, S., I. Wolf, H. Nilsson, P. Dalin, D. Mikhaylova, and E. Belova, Polar mesosphere summer echoes at Wasa, Antarctica (73°S): First observations and comparison with 68°N, Geophys. Res. Lett., 34, L15803, doi:10.1029/2007GL030516, 2007. [Full Article in GRL]

Kirkwood, S., A. Belova, D. Murtagh, A. Réchou, D. Goldberg, F. Schmidlin, Polar mesocyclones and their extension to the UTLS - a case study using ESRAD, Odin and MaCWAVE radiosondes, Proceedings of the 18th ESA Symposium on European Rocket and Balloon Programmes and Related research, Visby, Sweden, June 2007, ESA SP-647, 585-588, 2007.

Kopp, G., A. Belova, E. Diez y Riega V., J. Groß, G. Hochschild, P. Hoffmann, D. Murtagh, U. Raffalski, and J. Urban, Intercomparison of Odin-SMR ozone profiles with ground-based millimetre wave observations in the Arctic, the mid-latitudes, and the tropics, Can. J. Phys., 85, 1097-1110, 2007.

Pertsev, N., P. Dalin, V. Romejko, A lunar signal in summer nighttime tropospheric cloudiness and in noctilucent clouds, Proceedings of the 18th ESA Symposium on European Rocket and Balloon Programmes and Related research, Visby, Sweden, June 2007, ESA SP-647, 581-584, 2007.

Steck, T., T. von Clarmann, H. Fischer, B. Funke, N. Glatthor, U. Grabowski, M. Höpfner, S. Kellmann, M. Kiefer, A. Linden, M. Milz, G. P. Stiller, D. Y. Wang, M. Allaart, Th. Blumenstock, P. von der Gathen, G. Hansen, F. Hase, G. Hochschild, G. Kopp, E. Kyrö, H. Oelhaf, U. Raffalski, A. Redondas Marrero, E. Remsberg, J. Russell III, K. Stebel, W. Steinbrecht, G. Wetzel, M. Yela, and G. Zhang, Bias determination and precision validation of ozone profiles from MIPAS-Envisat retrieved with the IMK-IAA processor, Atmos. Chem. Phys., 7, 3639-3662, 2007.

Voelger, P., P. Dalin, J. Gumbel, M. Khaplanov, and K. H. Fricke, Lidar activities in Kiruna, Proceedings of the 18th ESA Symposium on European Rocket and Balloon Programmes and Related research, Visby, Sweden, June 2007, ESA SP-647, 313-316, 2007.

2006

Blum, U., G. Baumgarten, A. Schöch, S. Kirkwood, B. Naujokat, and K.- H. Fricke, The meteorological background situation at polar latitudes during winter 2002/2003 in the context of the MaCWAVE campaign, Annales Geophysicae, 24, 1189-1197, 2006.

Blumenstock, T., G. Kopp, F. Hase, G. Hochschild, S. Mikuteit, U. Raffalski, and R. Ruhnke, Observation of unusual chlorine activation by ground-based infrared and microwave spectroscopy in the late Arctic winter 2000/01, Atmos. Chem. Phys., 6, 897-905, 2006.

Dalin, P.A., N.N. Pertsev, V.A. Romejko, Significance of Lunar Impact on Noctilucent Clouds, Journal of Atmospheric and Solar-Terrestrial Physics, DOI:10.1016/j.jastp.2006.06.005, 68, 1653-1663, 2006.

Dalin, P., S. Kirkwood, H. Andersen, O. Hansen, N. Pertsev, V. Romejko, Comparison of long-term Moscow and Danish NLC observations: statistical results, Annales Geophysicae, 24, 2841-2849, 2006. [pdf]

Friedrich, M., Egger, G. McKinnell, L. A., Belova, E., Perturbations in EISCAT electron densities visualised by normalization, Advances in Space Research, 38, Issue 11, 2413-2417, DOI: 10.1016/j.asr.2006.02.039.

Griesfeller, A., J. Griesfeller, F. Hase, I. Kramer, P. Loës, S. Mikuteit, U. Raffalski, T. Blumenstock, and H. Nakajima, Comparison of ILAS-II and ground-based FTIR measurements of O3, HNO3, N2O, and CH4 over Kiruna, Sweden, J. Geophys. Res., 111, D11S07, doi:10.1029/2005JD006451, 2006.

Havnes, O., C. La Hoz, A. Alyward, E. Belova, T.W. Hartquist, M.J. Kosh, G. Morfill, L.I. Naeshem, M.T. Rietveld, M. Rubin-Zuzic, F. Sigernes, Observations of the overshoot effect during the 2004 EISCAT PMSE campaign, Advances in Space Research, 38, Issue 11, 2344-2352, DOI: 10.1016/j.asr.2005.11.004.

Hoffmann, P., A. Serafimovich, D. Peters, P. Dalin, R. Goldberg, and R. Latteck, Inertia gravity waves in the upper troposphere during the MaCWAVE winter campaign - Part I: Observations with collocated radars, Annales Geophysicae, 24, 2851-2862, 2006. [pdf]

Kirkwood, S., P. Chilson, E. Belova, P. Dalin, I. Häggström, M. Rietveld, W. Singer, Infrasound – the cause of Polar Mesosphere Winter Echoes ?, Annales Geophysicae, 24, 475-491, 2006. [pdf]

Kirkwood, S., E. Belova, U. Blum, C. Croskey, P. Dalin, K.-H. Fricke, R.A. Goldberg, J. Manninen, J.D. Mitchell, F. Schmidlin, Polar Mesosphere Winter Echoes during MaCWAVE, Annales Geophysicae, 24, 1245-1255, 2006. [pdf]

Serafimovich, A., Ch. Zulicke, P. Hoffmann, D. Peters, P.Dalin, and W. Singer, Inertia gravity waves in the upper troposphere during the MaCWAVE winter campaign - Part II: Radar investigations and modelling studies, Annales Geophysicae, 24, 2863-2875, 2006. [pdf]

2005

Belova, E., S. Kirkwood, J. Ekeberg, A. Osepian, I. Haggström, H. Nilsson and M. Rielveld, The dynamic background of Polar Mesosphere Winter Echoes from simultaneous EISCAT and ESRAD observation, Annales Geophysicae, 23, 1239-1247, 2005.

Dalin, P.A., N.N. Pertsev, V.A. Romeyko, Noctilucent Clouds - 120th Anniversary?, Priroda, 6, pp. 12-21, 2005.

Gumbel, J., Waldermarsson, T, Giovane,F., Khaplanov, M., Hedin, J., Karlsson, B., Lossow, S., Megner, L., Stegman, J., Fricke, K.-H., Blum, U., Voelger, P., Kirkwood, S., Dalin, P., Sternovsky, Z., Robertson, S., Horanyi, M., Stroud, R., Siskind, D.E., Meieir, R.R., Blum, J., Summers, M., Plane, J.M.C., Mitchell, N.J., Rapp, M., The MAGIC rocket campaign : an overview, Proceedings of the 17th ESA Symposium on European Rocket and Balloon Programmes and Related research, Sandefjord, Norway, 30 May- 2 June 2005, ESA-SP-590, 139-143, 2005.

Kassa, M., O. Havnes and E. Belova The effect of electron bite-outs on artificial electron heating and the PMSE overshoot, Annales Geophysicae, 23, 1-11, 2005, SRef-ID: 1432-0576/ag/2005-23-1.

Kirkwood, S., E. Belova, P. Chilson, P. Dalin, J. Ekeberg, I. Häggström, A. Osepian, The nature of VHF radar echoes from the mesosphere, Proc. XXVIII General Assembly of the International Union of Radio Science (URSI), New Delhi, India, October 23-29 2005. [pdf]

Kirkwood, S., E. Belova, P. Chilson, P. Dalin, J. Ekeberg, I. Häggström, A. Osepian, ESRAD/EISCAT Polar Mesosphere Winter Echoes during Magic and Roma, Proceedings of the 17th ESA Symposium on European Rocket and Balloon Programmes and Related research, Sandefjord, Norway, 30 May- 2 June 2005, ESA-SP-590, 115-119, 2005. [pdf]

Latteck, R., Singer, W., Kirkwood, S., Jönsson, L.O., Eriksson, H., Observation of mesosphere summer echoes with calibrated VHF radars at latitudes between 54°N and 69°N in summer 2004, Proceedings of the 17th ESA Symposium on European Rocket and Balloon Programmes and Related research, Sandefjord, Norway, 30 May- 2 June 2005, ESA-SP-590, 121-125, 2005.

T. Narayana Rao and S. Kirkwood, Characteristics of tropopause folds over Arctic latitudes J. Geophys. Res., 110, doi:10.1029/2004JD005374 , 2005.

Nikulin, G., and A. Karpechko, The mean meridional circulation and midlatitude ozone buildup, Atmos. Chem. Phys., 53169-3172, 2005.

Raffalski, U., G. Hochschild, G. Kopp, and J. Urban, Evolution of stratospheric ozone during winter 2002/2003 as observed by a ground based millimetre wave radiometer at Kiruna, Sweden, Atmos. Chem. Phys., 5, 1399-1407, 2005.

Robinson, A.D., G. A. Millard, F. Danis, M. Guirlet, N. R. P. Harris, A. M. Lee, J. D. McIntyre, J. A. Pyle, J. Arvelius, S. Dagnesjo, S. Kirkwood, H. Nilsson, D. W. Toohey, T. Deshler, F. Goutail, J-P. Pommereau, J. W. Elkins, F. Moore, E. Ray, U. Schmidt, A. Engel, and M. Müller, Ozone loss derived from balloon-borne tracer measurements in the 1999/2000 arctic winter, Atmos. Chem. Phys., 5, 5, 1423-1436, June 2005. SRef-ID: 1680-7324/acp/2005-5-1423. [pdf]

Singer, W., R. Latteck, M. Friedrich, P. Dalin, S. Kirkwood, N. Engler, D. Holdsworth, D-region electron densities obtained by differential absorption and phase measurements with a 3-MHz Doppler radar, Proceedings of the 17th ESA Symposium on European Rocket and Balloon Programmes and Related research, Sandefjord, Norway, 30 May- 2 June 2005, ESA-SP-590, 233-237, 2005.

Voelger, P., and G. Nikulin, The new lidar system at the Swedish Institute of Space Physics in Kiruna : Description and first measurements, Proceedings of the 17th ESA Symposium on European Rocket and Balloon Programmes and Related research, Sandefjord, Norway, 30 May - 2 June 2005, ESA-SP-590, 321-326, 2005.

2004

Arvelius, J., S. Roslin, H. Nilsson, and S. Kirkwood, Adsorption efficiency of a molecular sieve in low pres sure, In Proceedings of the XX quadrennial ozone symposium, 515-516, Kos, Greece, 2004.

Barabash, V., S. Kirkwood, A. Feofilov and A. Kutepov. Polar Mesosphere Summer Echoes during July 2000 Solar Proton Event, Ann. Geophys., 22, 3, 759 - 771, 2004.

Dalin, P., S. Kirkwood, A. Moström, K. Stebel, P. Hoffman, W. Singer, A case study of gravity waves in noctilucent clouds, Ann. Geophys., 22, 1875-1884, 2004.

Friedrich, M., M. Harrich, K. M. Torkar and S. Kirkwood. The disturbed auroral ionosphere based on EISCAT and rocket data, Adv. Space Res., 33, 6, 949 - 955, 2004.

Hooper, D.A., J. Arvelius and K. Stebel, Retrieval of atmospheric static stability from MST radar return signal power, Ann. Geophys., 22, 3781-3788, 2004. [pdf]

Karpetchko, A., and G. Nikulin, Influence of early winter upward wave activity flux on midwinter circulation in the stratsophere and troposphere, J. Climate, 17, 22, 4443 - 4452, 2004. [pdf]

Kirkwood, S., E. Belova, D. Mikhaylova, S. Lidström, Air-Earth-Current Observations to study solar wind effects on the global electric circuit, Swedish Polar research Secretariat Yearbook 2004, pp. 80-82.

Kirkwood, S., Jurén, C., "Nattlysande moln", i "Solen , Klimatet, Människan", Ymer (Årsbok för Svenska Sällskapet för Antropologi och Geografi), March 2004. [pdf]

Kirkwood, Sheila, Evgenia Belova, Daria Mikhaylova, Sven Lidström, Air-Earth-Current Observations to study solar wind effects on the global electric circuit, Swedish Polar Research Secretariat, Yearbook, 80-82, 2004.

T. Narayana Rao, J. Arvelius, S. Kirkwood and P. von der Gathen. Climatology of ozone in the troposphere and lower stratosphere over the European Arctic, Adv. Space. Res., 34, 754-758, 2004. doi:10.1016/j.asr.2003.05.055.

Nikulin, G., and A. Karpetchko, Wintertime Ozone Buildup in Midlatitudes, In Proceedings of the XX quadrennial ozone symposium, 410-411, Kos, Greece, 2004.

Osepian, A., Kirkwood, S., Cosmic radio noise absorption bursts caused by solar wind shocks, Ann. Geophys., 22, 2973-2987, 2004. [pdf]

Raffalski, U., G. Hochschild and G. Kopp. Stratospheric ozone over Kiruna, Sweden, during Arctic winter/spring 2003/04. In Proceedings of the XX quadrennial ozone symposium, 63 - 64, Kos, Greece, 2004.

Raffalski, U., S. Kirkwood, Atmospheric measurements in Kiruna and Wasa Antarctica -present status and ideas for the future, Proceedings of the first Ny-Ålesund-Pallas-Sodankylä atmospheric research workshop, Pallas, Finland, 1-3 March 2004, ed. J. Paatero, K. Holmén, Finnish Metorological Institute, 2004. [pdf]

Schöch, A., G. Baumgarten, D. C. Fritts, P. Hoffmann, A. Serafimovich, L. Wang, P. Dalin, A. Müllemann, F. J. Schmidlin, Gravity waves in the troposphere and stratosphere during the MaCWAVE/MIDAS summer rocket program, Geophysical Research Letters, 2004. DOI:10.1029/2004GL019837.

Stebel, K., U. Blum, K.-H. Fricke, S. Kirkwood, N. Mitchell, A. Osepian, Joint radar/lidar observations of possible aerosol layers in the winter mesosphere J. Atmos. Sol. Terr. Phys., 66, 957 - 970, 2004. [pdf]

2003

Belova, Alla, Did the weather in the stratosphere influence the weather in the troposphere in Kiruna during the winter 2002/2003 ?, IRF Internal Note 038, September 2003.

Belova, E., P.B. Chilson, S. Kirkwood and M.T. Rietveld. The response time of PMSE to ionospheric heating. J. Geophys. Res., 108, D8, DOI:10.1029/2002JD002385, 2003.

Belova, E., Kirkwood S., P.B. Chilson, M.T. Rietveld, Reply to Comment, J. Geophys. Res., 108, D23, 4728, doi:10.1029/2003JD004167, 2003.

Blumenstock, T., A. Griesfeller, F. Hase, M. Schneider, M. Gil, J.R. Moreta, U. Raffalski, U. Friess, G. Schwarz, and E. Cuevas, Validation of MIPAS and SCIAMACHY data by ground-based spectroscopy at Kiruna, Sweden, and Iza–a, Tenerife Island (AOID 191), Proceedings of the ENVISAT Validation Workshop, Frascati, Dec. 2002, ESA voulme SP-531, 2003.

Blumenstock, T., A. Griesfeller, F. Hase, M. Schneider, U. Raffalski, Y. Meijer, J.-C. Lambert, V. Soebijanta, Y. Calisesi, K. Stebel, V., H. Schets, I. Boyd, Comparison of MIPAS O3 profiles with ground-based measurements, Proceedings of the ENVISAT Validation Workshop, Frascati, Dec. 2002, ESA voulme SP-531, 2003.

Brändström, U., T. Lövgren, A. Moström, C.-F. Enell, B. Gustavsson, T. Aso, M. Ejiri, Å. Steen, and P. Rydesäter, Brief report on ALIS (Auroral Large Imaging System), a new all-sky camera in Kiruna and auroral imaging using a mini-DV camcorder, Sodankylä Geophysical Publication Series, 92, 89-92, 2003.

Cheng, A.Y. S., U. G. Oppel, P. Voelger, M. Wengenmayer Simulation of multiple scattering in lidar measurements using pure rotational Raman scattering (PRRS), Journal of Modern Optics, 50, 1977-1988, 2003.

Carl-Fredrik Enell, Urban Brändström, Björn Gustavsson, Sheila Kirkwood, Kerstin Stebel, and Åke Steen, Case study of the development of polar stratospheric clouds using bistatic imaging. Ann. Geophys., 21, 1869-1878, 2003.[pdf]

Enell, C.-F., K, Stebel, T, Wagner, U, Frieß, K. Pfeilsticker, and U. Platt, Detecting polar stratospheric clouds with zenith-looking photometers, Sodankylä Geophysical Publication Series,92, 55-59, 2003.

Goldberg, R.A, D.C. Fritts, B.P. Williams, F.J.Schmidlin, C.L.Croskey, J.D.Mitchell, F.J. Lübken, M. Rapp, W. Singer, R. Latteck, T.A.Blix, M. Friedrich, S. Kirkwood, N. Mitchell, K.H. Fricke, The MacWAVE program to study gravity wave forcing of the polar mesosphere during summer and winter, Proceedings of the ESA/PAC meeting in St. Gallen, ESA-SP-530, 345-3350, 2003.

Hooper, D., J. Arvelius, K. Stebel. Retrieval of atmospheric static stability from radar return signal power, Proceedings of MST10, 13-20 May 2003, Piura, Peru [pdf]

Khaplanov, M., J. Gumbel, J. Stegman, G. Witt, P. Dalin, S. Kirkwood, F. J. Schmidlin, K. H. Fricke, U. Blum, N. Lautie, and the Odin Team , Middle atmosphere water vapour and dynamics during the HYGROSONDE-2 campaign, Proceedings of the ESA/PAC meeting in St. Gallen, ESA-SP-530, 551-557, 2003.

Kirkwood, S., and K. Stebel, Influence of planetary waves on noctilucent cloud occurrence over NW Europe. J. Geophys. Res., 108, D8, Citation No. 8440, DOI:10.1029/2002JD002356, 2003. [pdf]

Kirkwood, S., E. Belova, P. Dalin , K.-H. Fricke , U. Blum , F. Schmidlin , R.A. Goldberg, Polar mesosphere winter echoes during MaCWAVE, Proceedings of the ESA/PAC meeting in St. Gallen, ESA-SP-530, 357-362, 2003.

Kirkwood, S., Belova, E., Mikhaylova, D., Lidstrom, S. Air-Earth-Current Observations to study Solar Wind Effects on the Global Electric Circuit, Swedish Polar Research Secretariat, Yearbook, 2003.

Kopp, G., H. Berg, Th. Blumenstock, H. Fischer, F. Hase, G. Hochschild, M. Höpfner, W. Kouker, Th. Reddmann, R. Ruhnke, U. Raffalski, Y. Kondo, Evolution of ozone and ozone related species over Kiruna during the SOLVE/THESEO 2000 campaign retrieved from ground-based millimeter wave and infrared observations, J. Geophys. Res., 108, D5, 8308, doi:10.1029/2001JD001064, 2003.

Ogawa, T., N. F. Arnold, S. Kirkwood, N. Nishitani and M. Lester, Finland HF and Esrange MST radar observations of polar mesosphere summer echoes, Annales Geophysicae, 21 1047 - 1055, 2003.

T. Narayana Rao, S. Kirkwood, J. Arvelius, P. von der Gathen and Rigel Kivi, Climatology of UTLS Ozone and the ratio of Ozone and Potential Vorticity over Northern Europe J. Geophys. Res., 108, D22, Citation No. 4703, DOI:10.1029/2003JD003860, 2003.

Romejko, V.A., P.A. Dalin, N.N. Pertsev, Forty years of Noctilucent Clouds observations near Moscow: database and simple statistics, J. Geophys. Res., 108, D8, 8443, doi: 10.1029/2002JD002364, 2003.

Roslin, Susanne. Adsorption of CFC on carboxen during sampling in the stratosphere. Master's thesis, Swedish Institute of Space Physics/Umea University, 2003. [pdf]

Rydesäter, Peter, Björn Gustavsson, Urban Brändström, Carl-Fredrik Enell, and Å. Steen, Lossy compression of scientific images of aurora, Sodankylä Geophysical Publication Series, 92, 1-4, 2003.

Spectroscopic Atlas of Atmospheric Microwindows in the middle Infra- Red, edited by Arndt Meier, Geoffrey C. Toon, Curtis P. Rinsland, Aaron Goldman, and Frank Hase, IRF Technical Report, 048, ISSN 0284-1738, May 2003.

2002

Arvelius, J., H. Nilsson, S. Kirkwood, A. Robinson, N. Harris, J. Pyle, O. Morgenstern, F. Goutail, and J.-P. Pommereau. Measured tracer profiles from the polar stratosphere covering all seasons 2000. Proceedings of the Sixth European workshop on stratospheric ozone,Number 79 in Air Pollution Research Report, 217-220. European Commission, 2002.

Barabash, V., S. Kirkwood, P. Chilson, Are variations in PMSE intensity affected by energetic particle precipitation? Ann. Geophys. 20, 539-545, 2002. [pdf]

Blumenstock, T., F. Hase, A. Griesfeller, R. Ruhnke. H. Fischer, U. Raffalski and Y. Kondo. Winter to winter variability of chlorine activation, ozone loss and nitric acid as observed by ground-based FTIR measurements at Kiruna (Sweden) since winter 1993/94. Proceedings of the Sixth European workshop on stratospheric ozone,Number 79 in Air Pollution Research Report, 51-54. European Commission, 2002.

Chilson, P.B., T.-Y. Yu, R.D. Palmer, S. Kirkwood, Aspect sensitivity measurements of polar mesosphere summer echoes using coherent radar imaging, Ann. Geophys. 20, 213-233, 2002. [pdf]

Enell, Carl-Fredrik, Optical studies of polar stratospheric clouds and related phenomena, Ph. D. Thesis, IRF Scientific Report 278, October 2002 ISSN 0284-1703.

Friedrich, M., M. Posch, S. Kirkwood, K. Stebel, and K. Torkar, A novel, high-resolution temperature sensor for balloon applications, Adv. Space Res., 30, 5, 1365-1369, 2002.

Friedrich, M., K. Torkar, M. Harrich, R. Pilgrim, and S. Kirkwood, On merging empirical models of auroral and non-auroral latitudes, Adv. Space Res., 29, 6, 929-935, 2002.

Kirkwood, S., V. Barabash, E. Belova, H. Nilsson, N. Rao, K. Stebel, A. Osepian, P. B. Chilson, Polar mesosphere winter echoes during solar proton events, Advances in Polar Upper Atmosphere Research, 16, 111-125, July 2002. [pdf]

Kirkwood, S., V. Barabash, B. U. E. Brändström, A. Moström, K. Stebel, N. Mitchell and W. Hocking, Noctilucent Clouds, PMSE and 5-day Planetary Waves: a Case Study, Geophys. Res. Lett., 29, 10, DOI 10.1029/2001GL014022, 2002 [pdf]

Kirkwood, S., V. Barabash, E. Belova, H. Nilsson, N. Rao, K. Stebel, U. Blum, K.-H. Fricke, A. Osepian, P. B. Chilson, Polar mesosphere winter echoes by ESRAD, EISCAT and lidar, Memoirs of the British Astronomical Society, vol 45, paper 07, September 2002.

Kopp, G., H. Berg, G. Hochschild and U. Raffalski. Continous ground-based millimeter-wave observations of ozone and HNO3 in winter/spring 2000/2001 at Kiruna, Proceedings of the Sixth European workshop on stratospheric ozone, Number 79 in Air Pollution Research Report, 253-256, European Commission, 2002.

Lait, L.R., M. R. Schoeberl, P. A. Newman, T. McGee, J. Burris, E. V. Browell, E. Richard, G. O. Braathen, B. R. Bojkov, F. Goutail, P. von der Gathen, E. Kyro, G. Vaughan, H. Kelde, S. Kirkwood, P. Woods, V. Dorokhov, I. Zaitcev, Z. Litynska, A. Benesova, P. Skrivankova, H. De Backe, J. Davies, T. Jorgensen, and I. S. Mikkelsen, Ozone Loss from Quasi-Conservative Coordinate Mapping during the 1999--2000 SOLVE Campaigns, J. Geophys. Res., 107 D20 DOI 10.1029/2001JD000998, 2002.

Mellqvist, J., B. Galle, T. Blumenstock, F. Hase, D. Yashkov, J. Notholt, B. Sen, J.-F. Blavier, G.C. Toon, M.P. Chipperfield, Empirical ozone loss studies and associated chlorine chemistry during THESEO using the NDSC FTIR network, Proceedings of the Sixth European Symposium on Stratospheric Ozone Research, Göteborg, September 2-6, 2002.

Müller, Rolf, Simone Tilmes, Jens-Uwe Groß Daniel S. McKenna, Melanie Müller, Ulrich Schmidt, Geoffrey C. Toon, Robert A. Stachnik, James J. Margitan, James W. Elkins, Johan Arvelius, and James M. Russel III. Chlorine activation and chemical ozone loss deduced from haloe and balloon measurments in the arctic during the winter of 1999-2000. J. Geophys. Res., 108, D5, DOI 10.1029/2001JD001423, Nov. 2002.

Nikulin, Grigory, Dynamical contributions to the total ozone trends in the Northern Hemisphere midlatitudes, International Symposium on Stratospheric Variations and Climate, Abstracts (extended), Fukuoka, Japan, 235-238, November 2002.

Orsolini, Y., B. Knudsen, W. Norton, M. Chipperfield, R. Mueller, J. Notholt, H. Kelder, J. Pyle, S. Kirkwood, Final report of the SAMMOA Project (Spring-to-Autumn Measurements and Modelling of Ozone and Active species, EU contract EVK2-CT-1999-000049),July, 2002. [pdf]

Raffalski, U., H. Berg, G. Hochschild and G. Kopp, Continous ozone measurements over Kiruna during winter-spring 2002: A new millimetre wave radiometer operated at the Swedish Institute of Space Physics, Kiruna, Sweden, Proceedings of the Sixth European workshop on stratospheric ozone, Number 79 in Air Pollution Research Report, 369-372, European Commission, 2002.

Sinnhuber, Björn-Martin, D.W. Arlander, Heinrich Bovensmann, John P. Burrows, Martyn P. Chipperfield, Carl-Fredrik Enell, Udo Frieß, Francois Hendrick, Paul V. Johnston, R. L. Jones, Karin Kreher, Norhaslinda Mohamed-Tahrin, R. M Pommereau, Irene Pundt, Andreas Richter, Alex M. South, Kjersti K. Tørnkvist, Michel van Roozendael, Thomas Wagner, and Folkard Wittrock. Comparison of measurements and model calculations of stratospheric bromine monoxide, J. Geophys. Res., 107, D19, DOI:10.1029/2001JD000940, Oct 2002.

2001

Belova, E., P.B. Chilson, M. Rapp, and S. Kirkwood, Electron temperature dependence of PMSE power: Experimental and modelling results, Advances in Space Research, 28, 7, 1077-1082, 2001.

Belova, E., S. Kirkwood, and H. Tammet, H, The effect of magnetic substorms on near-ground atmospheric current, Annales Geophysicae, 18, 1623-1629, 2001.

Blum, U., K. H. Fricke, and K. Stebel, Observation of clouds in the stratosphere with the U. Bonn lidar at the Esrange, Proceedings of the 15th ESA Symposium on European Rocket and Balloon Programmes and Related Research, ESA SP-471, 189-193, 2001.

Blumenstock, Th., H. Berg, H. Fischer, F. Hase, G. Hochschild, G. Kopp, M. Schneider, A. Zimmermann, E. Cuevas, J. Sancho, U. Raffalski, D. Yashcov, Improving the quality of O3 profiles as derived from ground-based infrared and microwave measurements for the validation of ENVISAT O3 data, Proceedings of the ACVE Workshop at ESTEC/ESA, 5, 2001.

Chilson, P. B., S. Kirkwood, and I. Häggström, Frequency domain interferometry mode observations of PMSE using the EISCAT VHF radar, Annales Geophysicae, 18, 1599-1612, 2001.

Chilson, P. B., R. D. Palmer, A. Muschinski, D. A. Hooper, G. Schmidt, and H. Steinhagen, SOMARE-99: A demonstrational field campaign for ultrahigh-resolution VHF atmospheric profiling using frequency diversity, Radio Sci., 36, 4, 695-707, 2001.

Enell, C.-F., B. Gustavsson, Å. Steen, and K. S. Carslaw, Characterisation and altitude determination of stratospheric clouds &endash; model studies, Proceedings of the 27th Annual European Meeting on Atmospheric Studies by Optical Methods, MISU Report series, 2001.

Khaplanov, M., J. Gumbel, G. Witt, and S. Kirkwood, Studies of troposphere / stratosphere humidity structures during the SKERRIES balloon programme, Proceedings of the 13th ESA-Pac Symposium, Biarritz, France, ESA-SP-471, 283-286, August 2001.

Kirkwood, S., and A. Osepian, Pitch-angle diffusion coefficients and fluxes of energetic electron in different local-time sectors of the magnetosphere, J. Geophys. Res., 106, A4, 5565-5578, 2001.

Kirkwood, S., A. Osepian and N. Smirnova, Quantitative description of electron precipitation during auroral absorption events in the morning/noon local-time sector, J. Atmos. Sol. Terr. Phys., 63, 1907-1921, 2001.

Muschinski, A., P.B. Chilson, R.D. Palmer, D.A. Hooper, G. Schmidt, and H. Steinhagen, SOMARE-99: Boundary-layer convection and diurnal variation of vertical-velocity characteristics in the free troposphere, Quarterly Journal of the Royal Meteorological Society, 127, 572, 423-443, 2001.

Nikulin, G. N., and R. P. Repinskaya, Modulation of total ozone anomalies in the midlatitude northern hemisphere by the arctic oscillation, Izvestiya, Atm. Oceanic Phys., 37, 5, 633-643, 2001.

Osepian, A., S. Kirkwood, and N. Smirnova, Variations of electron density and energetic spectra of the precipitating electrons during auroral substorms by incoherent scatter data, Cosmic Res., 39, 3, 311-315, 2001.

Palmer, R. D., P. B. Chilson, A. Muschinski, G. Schmidt, T-Y. Yu, and H. Steinhagen, SOMARE-99: Observations of tropospheric scattering layers using range imaging, Radio Science, 36, 4, 681-693, 2001.

Stebel, K., D. A. Hooper, and S. Kirkwood, Gravity wave activity during winter above Esrange, Proceedings of the 13th ESA-Pac Symposium, Biarritz, France, ESA SP-471, 103-107, August 2001.

Yu, T.-Y., R. D. Palmer, P. B. Chilson, An investigation of scattering mechanisms and dynamics in PMSE using coherent radar imaging, J. Atmos. Sol. Terr. Phys., 63, 1797-1810, 2001.

2000

Alpatov, V.A., A.A. Matveev, Carl-Fredrik Enell, Björn Gustavsson, and Urban Brändström, Investigations of the polar atmosphere with the use of dynamical characteristics of the processes and self-organizing neural networks on ground-based multi-position optical observations, In Proceedings of the 25th EGS General Assembly, 2000.

Barabash, V., P.B. Chilson, and S. Kirkwood, A comparison of PMSE occurrence with energetic particle precipitation detected by riometer in Northern Scandinavia, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, Toulouse, France, March 13-18, 2000.

Belova, E., S.Kirkwood and H.Tammet, The effect of magnetic substorms on near-ground atmospheric current, Ann. Geophys., 18, N12, 2000.

Belova, E., S. Kirkwood, E.Nielsen, and H. Tammet, The ground-level atmospheric current response to a magnetic substorm, Proceedings 5th International Conference on Substorms, 473-476, St. Petersburg, Russia, 16-20 May 2000, ESA SP-443, July 2000.

Beyerle, G., J. Biele, R. Neuber, and K Stebel, The lidar data set of polar stratospheric cloud observations at Koldewey-Station, Ny-Ålesund, Spitsbergen: An analysis of clouds spatial characteristics, Proceedings of the Quadrennial Ozone Symposium, 311-312, Hokkaido University, Sapporo, Japan, 3-8 July 2000.

Chilson, P.B., S. Kirkwood, and I. Häggström, Frequency domain interferometry mode observations of PMSE using the EISCAT VHF radar, Ann. Geophys., 18, 1599-1612, 2000.

Chilson, P.B., E. Belova, M.T. Rietveld, S. Kirkwood and U.-P. Hoppe, First artificially induced modulation of PMSE using the EISCAT heating facility, Geophys. Res. Lett., 27, 3801-3804, 2000.

Chilson, P.B., Robert D. Palmer, Andreas Muschinski, David A. Hooper, Gerhard Schmidt, and Hans Steinhagen, SOMARE-99: A demonstrational field campaign for ultra-high resolution VHF atmospheric profiling using frequency diversity, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 2000.

Chilson, P.B., E. Belova, M. Rietveld, S. Kirkwood, U.-P. Hoppe, First artificially induced modulation of PMSE using the EISCAT heating facility, Proceedings of the 9th International Workshop on Technical and Scientific Aspects of MST Radar, 104-107, 2000.

Chilson, P.B., E. Belova, M. T. Rietveld, S. Kirkwood, and U-P. Hoppe, First artificially induced modulation of PMSE using the EISCAT heating facility, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 104-107, 2000.

Enell, C.-F., B. Gustavsson, Å. Steen, U. Brändström and P. Rydesäter, Multistatic imaging and optical modelling of nacreous clouds, Physics and Chemistry of the Earth, 25, 4-5, 2000.

Enell, C.-F., B. Gustavsson, Å. Steen and K.S. Carslaw, Characterisation and altitude determination of stratospheric clouds - model studies Extended abstract, submitted for MISU Report series, Proceedings of the 27th Annual European Meeting on Atmospheric Studies by Optical Methods.

Friedrich, M. and S. Kirkwood, The D-region background at high latitudes, Adv. Space. Sci, 25(1), 15-23, 2000.

Hooper, D.A. and J. Arvelius, Monitoring of the Arctic winter tropopause: A comparison of radiosonde, ozonesonde and MST radar observations, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 2000.

Hooper, D.A. and H. Chandra, Compensation of broad spectral width radar return signals for the low pass filtering effect of coherent integration, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 2000.

Hooper, D.A., The significance of data weighting windows for accurate parameterisation of MST radar return signals, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 2000.

Hooper, D.A. and H. Chandra, Signal processing for MST radar returns from mesospheric altitudes, published by the Indian Space Research Organisation (ISRO) as a scientific report ISRO-HQ-SR-47-2000, September 2000.

Kirkwood, S., and H. Nilsson, High-latitude sporadic-E and other thin layers - the role of magnetospheric electric fields, Space Science Reviews, 91 (3/4), 579-613, 2000.

Kirkwood, S., Upper Atmosphere Physics and Chemistry, The Arctic: A guide to research in the natural and social sciences, eds. M. Nuttall, T.V. Callaghan, Harwood Ac. Publ, Reading, ISBN 90-5823-087-2, 2000.

Kirkwood, S., K. Stebel, J.-E. Kyllönen, W. Singer, R. Latteck, and N. Mitchell, A comparison between waves in noctilucent clouds and radar observations of waves: winds and wind-shears at the Arctic mesopause, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 88-91, 2000.

Latteck, R., R. Lüster, W. Siner, J. Röttger, P.B. Chilson, and V. Barabash, Comparison of polar mesosphere summer echoes observed with the Alwin MST radar at 69°N, the SOUSY-Svalbard-Radar at 78°N, and the ESRAD radar at 68°N in summer 1999, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13 -18, 2000.

McGregor, R.G.D., Environmental Impacts on the Euroarctic Ecosphere, Swedish Human Dimensions News , no. 2, pp. 10-11, 2000.

Osepian, A.and S. Kirkwood, Pitch-angle diffusion coefficients and energetic electron precipitation during auroral absorption events. Cosmic Research, in press, 2000.

Osepian, A. P., N.V. Smirnova, and S. Kirkwood, Precipitation of energetic electrons into the high-latitude ionosphere in the morning local time sectors, Cosmic Research, 38, 33-37, 2000.

Palmer, R.D., P.B. Chilson, A. Muschinski, G. Schmidt, T.-Y. Yu, and H. Steinhagen, Range imaging using frequency diversity: Theory and application, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 2000.

Raffalski, U., Å. Steen, H. Berg, G. Hochschild, G. Kopp, M. Chipperfield, and B.-M. Sinnhuber, Stratospheric O3, CIO, N2O and HNO3 measured in Kiruna during the Winter 1999/2000 Long Term Observations and a Comparison with SLIMCAT 3D CTM Data, Proceedings of the Quadrennial Ozone Symposium, Sapporo, Japan 3-8 July, 2000.

Roldugin, V.C., S. Kirkwood, Yu.P. Maltsev, and A.A. Galakhov, EISCAT radar reflection from the vicinity of a noctilucent cloud, Physics and Chemistry of the Earth B, 25 (5-6), 507-509, 2000.

Stebel, K., V. Barabash, S. Kirkwood, J. Siebert and K.-H. Fricke, Polar mesosphere summer echoes and noctilucent clouds: Simultaneous and common-volume observations by radar, lidar and CCD camera, Geophys. Res. Lett., 27, 661-664, 2000.

Stebel, K., D.A. Hooper, and S. Kirkwood, The generation and vertical propagation of mountain lee waves over Esrange (67.53°N, 21.06°E) in northern Sweden, Proceedings of the Quadrennial Ozone Symposium, 651-652, Sapporo, Japan 3-8 July 2000.

Stebel, K., J.E. Kyllönen, Pärlemormoln and Ozon, Kiruna Tidningen, 2000.

Stebel, K. and C.-F. Enell, Information-brochure, MRI/IRF:s Atmosfärsforskningsprogram AFP vid Institutet för Rymdfysik, Kiruna, 2000.

Yu, T.-Y., R.D. Palmer, and P.B. Chilson, Observations of PMSE using coherent radar imaging, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar, combined with COST76 Final Profiler Workshop, Toulouse, France, March 13-18, 2000.

Yu, T.-Y. used ESRAD data in his PhD dissertation, Radar studies of the atmosphere using spatial and frequency diversity, University of Nebraska-Lincoln, 2000.

1999

Arvelius, J., H. Nilsson, S. Kirkwood, F. Danis, N. Harris and J. Pyle, CFC-measurements with DESCARTES during the THESEO campaign in Kiruna spring 1999, Proceedings of the Fifth European workshop on stratospheric ozone, Air Pollution Research Report 73, European Commission, 459-462, 1999.

Arvelius, J., H. Nilsson, S. Kirkwood, F. Danis, N. Harris, and J. Pyle, CFC-measurements with Descartes during the Theseo campaign in Kiruna spring 1999 - early results, Proceedings 14th ESA Symposium on European Rocket and Balloon Programmes and Related Research, Potsdam, ESA SP-437, 353-358, 1999.

Arvelius, J., V. Barabash, E. Belova, P.B. Chilson, F. Enell, D.A. Hooper, S. Kirkwood, H, Nilsson, U. Raffalski, K. Stebel, MRI/IRF Atmospheric Research Programme - Research Plan for the Period 2001-2006, 1999.

Baumgarten, G., C. Keppeler, K.P. Müller, J. Siebert, K.H. Fricke, S. Kirkwood, and K. Stebel, Unexpected observations of an ice PSC by lidar above Esrange on March 8, 1997, Proceedings of the European Workshop on Mesoscale Processes in the Stratosphere, 7-11, 1999.

Braathen, G., F. Goutail, P. von der Gathen, J. Pyle, E. Kyrö, G. Vaughan, S. Kirkwood, P. Woods, V, Dorokhov, Z. Litnska, 1st annual report for the EU project: Third European Stratospheric Experiment on Ozone - Ozone loss in the Arctic and at Mid-Latitudes, 1999.

Chilson, P.B., S. Kirkwood, and A. Nilsson, The Esrange MST radar: A brief introduction and procedure for range validation using balloons, Radio Science, 34, 427-436, 1999.

Chilson, P.B., P. Johansson, M. Johnsson, R. Moses, J. Stanojev, T. Hedquist, A. Niva, and R, Scheifele, RIPAN: A remotely controlled aircraft project for troposphere/stratosphere research, Proceedings of the 14th ESA Symposium on European Rocket and Balloon Programmes and Related Research, Potsdam, ESA SP-437, 111-116, 1999.

Enell, C.-F., Å. Steen, T. Wagner, U. Friess, K. Pfeilsticker, U. Platt, and K.-H. Fricke, Occurrence of polar stratospheric clouds at Kiruna, Ann. Geophys., 17, 1457-1462, 1999.

Enell, C.-F., B. Gustavsson, Å. Steen, U. Brändström, P. Rydesäter, P. Johansson, T. Wagner, U. Friess, K. Pfeilsticker, and U. Platt, Optical studies of polar stratospheric clouds, EOS/SPIE symposium on Satellite Remote Sensing, of Clouds and the Atmosphere IV, Proceedings of SPIE, vol.3867, 290-297, 1999.

Enell, C.-F., Å. Steen, B. Gustavsson, U. Brändström, P. Johansson, T. Wagner, U. Friess, K. Pfeilsticker, U. Platt, and K.H. Fricke, Detection of polar stratospheric clouds at Kiruna, Proceedings of the European Workshop on Mesoschale Processes in the Stratosphere, 65-68, 1999.

Enell, C.-F., Å. Steen, B. Gustavsson, U. Brändström, P. Johansson, T. Wagner, U. Friess, K. Pfeilsticker, and U. Platt, Studies of polar stratospheric clouds at Kiruna, Proceedings of the 25th Annual European Meeting on Atmospheric Studies by Opticla methods, 122-126, 1999.

Fricke, K.H., K.P. Müller, M. Serwazi, J. Reichardt, S. Kirkwood, Å. Steen, P. Hoffmann, H. Mehrtens, A. Hauchecorne, F. Fierli, U.P. Hoppe, and G. Hansen, Observations of dynamically induced polar stratospheric clouds in the lee of the Scandinavian mountain ridge, Proceedings of the European Workshop on Mesoschale Processes in the Stratosphere, 81-86, 1999.

Hooper, D.A., Signal and noise level estimation for narrow spectral width returns observed by the Indian MST radar, Radio Science, 34, 859-970, 1999.

Hooper, D.A., The Indian Monsoon, Swedish Human Dimensions News, no. 1, Spring 1999.

Kirkwood, S., Man-made versus natural climate change, report of the Symposium at Swedish Academy of Science on 29 March 1999, Swedish Human Dimensions News, no. 1, May 1999.

Muschinski, A., P. B. Chilson, S. Kern, J. Nielinger, G. Schmidt, and T. Prenosil, First frequency-domain interferometry observations of large-scale vertical motion in the atmosphere, J. Atmospheric Sciences,56, 1248-1258, 1999.

Osepian, A.P., N.V. Smirnova, and S. Kirkwood, Diurnal and seasonal variations of the energy spectrum of precipitating electrons derived from electron concentration measurement data obtained by the method of incoherent scattering of radio waves, Cosmic Research, 37, 326-333, No.4, 1999.

Palmer, R.D., T.-Y. Yu, and P. B. Chilson, Range imaging using frequency diversity, Radio Science, 34, 1485-1496, 1999.

Pommereau, J.P., F. Goputail, I. Pundt, J.A. Pyle, F. Danis, G. Hansford, R. Freshwater, A. Robinson, R.L. Jones, N.R.P. Harris, A. Adriani, F. Cairo, L. Pulvirenti, G. Difrancesco, S. Kirkwood, H. Nilsson, J. Arvelius, P. Woods, N.R. Swann, I.H. Howeison, S. Garcelon, T.D. Gardiner, T. Deshler, A. Buivan, Small balloons for stratospheric ozone research and satellite validation, Proceedings of the 14th ESA Symposium on European Rocket and Balloon Programmes and Related Research, ESA SP-437, 609-614, 1999.

Posch, M., M. Friedrich, S. Kirkwood, K. Stebel, An acoustic balloon-borne instrument to measure temperature fine structure near the tropopause, Proceedings of the 14th ESA Symposiumon European Rocket and Balloon Programmes and Related Research, Potsdam, ESA SP-437, 359-362, 1999.

Réchou, A., V. Barabash, P. B. Chilson, S. Kirkwood, T. Savitskaia, and K. Stebel, Mountain wave motions determined by the Esrange MST radar, Ann. Geophys., 17, 957-970, 1999.

Reichardt, J., A. Réchou, K.P. Müller, H. Mehrtens, F. Fierli, S. Kirkwood, A. Behrendt, and C. Weitkamp, Melting of PSC particles on sunrise, Proceedings of the European Workshop on Mesoscale Processes in the Stratosphere, 223-228, 1999.

Stebel, K., S. Kirkwood, V. Barabash, P. B. Chilson, and A. Réchou, Leewave observations by the MST radar ESRAD in northern Sweden, Proceedings of the European Workshop on Mesoschale Processes in the Stratosphere, 233-238, 1999.

Stebel, K. and S. Kirkwood, MST radar study of leewaves during winter 1996/97, 97/98 and 98/99 in northern Scandinavia, Proceedings of the 14th ESA Symposium on European Rocket and Balloon Programmes and Related Research, ESA-SP-437, 309-313,1999.

Steen, Åke, Björn Gustavsson, Carl-Fredrik Enell, and Urban Brändström, PSC dynamics investigated by multi-station imaging - techniques, results and prospects, In K.S. Carslaw and G.T. Amanatidis, editors, Mesoscale processes in the stratosphere, volume Air pollution research report 69, 239-242, European Commission, 1999. EUR18912.

Strategier för Teknikvetenskapens utveckling vid Umeå Universitet, prepared by a special working group appointed by Umeå University, Chairman Ingvar Lindgren. S. Kirkwood was a member of the working group. Report published 14 May 1999.

1998

Arvelius, J., Solar variation signals in the Earth's atmosphere - a study using neural networks, report of a masters project, IRF/University of Lund, June, 1998.

Barabash, V., P.B. Chilson, S. Kirkwood, A. Réchou, and K. Stebel, Investigations of the possible relationship between PMSE and tides using a VHF MST radar, Geophys. Res. Lett., 25, 3297-3300, 1998.

Barabash, V., P.B. Chilson, S. Kirkwood, A. Réchou, and K. Stebel, MST radar observations of PMSE in Northern Scandinavia during May-August 1997, Proceedings of the 8th International Workshop on Technical and Scientific Aspects of MST Radar, 330-333, 1998.

Biele, J., R. Neuber, J. Warming, I. Beninga, P. von der Gathen, K. Stebel, O. Schrems, and J. Rosen, The evolution of polar stratospheric clouds above Spitzbergen in winter 1996/97, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 99-102, 1998.

Blumenstock, T., S. Fietze, H. Fischer, M. Richter, G. Stiller, P. Thomas, A. Meier, and H. Nakajima, Time series of HNO3 columns amounts as measured by ground-based FTIR spectroscopy at Kiruna (Sweden) in winter 1995/96 and 1996/97, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 411-414, 1998.

Chilson, P.B., D. Koschny, A. Knöfel, and G. Schmidt, A comparative investigation of meteor trains near the Earth's mesopause using radar and video observations, Proceedings of the 24th Annual European Meeting on Atmospheric Studies by Optical Methods, 67-72, 1998.

Chilson, P.B., D. Koschny, A. Knöfel, and Gerhard Schmidt, Observations of the 1996 Geminid meteor shower: A comparison of VHFradar and video observations, Proceedings of the 8th International Workshop onTechnical and Scientific Aspects of MST Radar, 326-329, 1998.

Chilson, P.B., S. Kirkwood, and A. Nilsson, Height calibration of ESRAD using balloons and a tracking radar, Proceedings of the 8th International Workshop onTechnical and Scientific Aspects of MST Radar, 306-309, 1998.

Chilson, P.B., S. Kirkwood, L. Poromaa, and L. Marcus, An introduction to ESRAD: A new VHF MST radar located at Esrange inNorthern Sweden, Proceedings of the 8th International Workshop onTechnical and Scientific Aspects of MST Radar, 302-305, 1998.

Danis, F., K. Persson, H. Nilsson, A.D. Robinson, M.P. Chipperfield, J.D. McIntyre, P.G. Simmonds, N.R.P. Harris, and J.A. Pyle, Tracer measurements with DESACRTES during ILAS early 1997, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 423-426, 1998.

Enell, C.-F., Å. Steen, B. Gustavsson, U. Brändström, P. Johansson, T. Wagner, U. Friess, K. Pfeilsticker, and U. Platt, Studies of polar stratospheric clouds at Kiruna, Proceedings of The 25th Annual European Meeting on Atmospheric Studies by Optical Methods, Granada, Spain, 21-25 September, 1998, 130-134, 1998.

Enell, C.-F., Å. Steen, T. Wagner, C. Otten, K. Pfeilsticker, and U. Platt, UV/visible DOAS measurements at Kiruna, Proceedings of the 24th Annual European Meeting on Atmospheric Studies by Optical Methods, 155-160, 1998.

Enell, C.-F., C. Otten, U. Platt, Å. Steen, T. Wagner, and K. Pfeilsticker, O3, NO2, OClO, and BrO stratospheric column amount measurements at Kiruna/Sweden in the Arctic winter 1996/97, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 431-434, 1998.

Fricke, K.H., K.P. Müller, M. Serwazi, J. Reichardt, S. Kirkwood, Å. Steen, P. Hoffmann, H. Mehrtens, A. Hauchecorne, F. Fierli, U.P. Hoppe, and G. Hansen, Wind generated polar stratospheric clouds: The case of January 16, 1997 above Northern Scandinavia, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 127-130, 1998.

Kirkwood, S., V. Barabash, P. B. Chilson, A. Réchou, K. Stebel, P. Espy, G. Witt, and J. Stegman, The 1997 PMSE season - its relation to wind, temperature and water vapour, Geophys. Res. Lett., 25, 1867-1870, 1998.

Kirkwood, S. and A. Réchou, Planetary-wave modulation of PMSE, Geophys. Res. Lett, 25, 4509-4512, 1998.

Knöfel, A., D. Koschny, P. B. Chilson, and G. Schmidt, Meteor observations with radar and video - the SIV experiment, In: Knöfel A., McBeath, A. (Eds.), Proceedings of the International Meteor conference 1997, 55-64, 1998.

Lauterbach, U. and A. Meier, Verfahren zur beruehrungslosen Bestimmung der Hochspannung an Roentgenröhren mit einem Si-Halbleiter-Spektrometer, PTB report PTB-6.52-98-1, Physikalisch Technische Bundesanstalt, Braunschweig, 1998.

Meier, A., T. Blumenstock, and H. Nakajima, Regular isotopic observation of stratospheric ozone and itsimplications for the ozone formation theory, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 216-219, 1998.

Nilsson, H., S. Kirkwood, and T. Moretto, Incoherent scatter radar observations of the cusp acceleration region and cusp field-aligned currents, J. Geophys. Res., 103, 26721-26730, 1998.

Persson, K., H. Nilsson, S. Kirkwood, and P.B. Chilson, Time sections of frontal passages seen in the MST radar signal compared with ozone data, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 66-69, 1998.

Petitdidier, M., K. Ramage, P.B. Chilson, and C.W. Ulbrich, Wave and turbulence activity above a tropical thunderstorm, Proceedings of the 8th International Workshop on Technical and Scientific Aspects of MST Radar, 224-226, 1998.

Raffalski, U., U. Klein, B. Franke, J. Langer, B.-M. Sinnhuber, J. Trentmann, K.F. Künzi, and O. Schrems, Groundbased millimeter-wave observatios of Arctic chlorine activation during winter and spring 1996/97, Geophys. Res. Lett., 25, 331-3334, 1998.

Raffalski, U., Observation of stratospheric trace gases over Ny-Ålesund, Spitsbergen, using a groundbased microwave radiometer, PhD thesis, Reports on Polar Research, 278, 1998, ISSN 0176-5027.

Réchou, A., V. Barabash, P. B. Chilson, S. Kirkwood, T. Savitskaja, and K. Stebel, ESRAD MST radar analysis of the waves, Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commission, 70-73, 1998.

Sinnhuber, B-M., J. Langer, U. Klein, U. Raffalski, and K. Künzi, Ground based millimeter-wave observations of Arctic ozone depletion during winter and spring of 1996/97, Geophys. Res. Lett., 25, 3327-3330, 1998.

Stebel, K., R. Neuber. G. Beyerle, J. Biele, I. Beninga. P. Scheuch. H.Schütt, P. von der Gathen, and O. Schrems, Lidar observations of polar stratospheric clouds in the Arctic Spitzbergen, Atmospheric ozone, Proceedings of the XVIII Quadrennial Ozone Symposium, L'Aquila, Italy, edt. R.D. Bojkov. G. Visconti, 607-610, 1998.

Stebel, K., Lidar observations of stratospheric aerosols above Spitsbergen, PhD thesis, University Bremen, Germany, 1998.

Widell, O. and S. Kirkwood, ESRAD, Information Brochure, 1998.

1997

Chilson, P.B., A. Muschinski, and G. Schmidt, An investigation of Kelvin-Helmholtz billows in an upper-level jetstream using VHF frequency domain interferometry, Proceedings of the COST-76 Profiler Workshop, 278-281, 1997.

Enell, C.-F., Å. Steen, K. Pfeilsticker, T. Wagner, C. Otten, and U. Platt. UV/visible DOAS stratospheric trace gas measurements at Kiruna in the arctic winter 1996-97. In Proceedings of the 24th Annual European meeting on Atmospheric Studies by Optical Methods. Andøya rocket range, Norway, 1997.

Kirkwood, S., Thin ion layers in the high-latitude lower ionosphere, Adv. Space. Res., 19, (1)149-(1)158, 1997.

Kirkwood, S., The anomalous winter ion layer - a mystery waiting for a sounding rocket, Proceedings of 13th ESA Symposium on Rocket and Balloon Programmes and Related Research, ESA-SP-397, 371-374, 1997.

Kirkwood, S., A. Réchou, K. Stebel, V. Barabash, P. B. Chilson, L. Marcus, and P.-E. Olsen, Wind profiling with ESRAD, the Esrange MST radar, Proceedings of the COST-76 Profiler Workshop, 70-73, 1997.

Meier, A., Determination of atmospheric trace gas amounts and corresponding natural isotopic ratios by means of ground-based FTIR spectroscopy in the high arctic Reports on Polar Research, Vol. 236, ISSN 0176-5027, Bremerhaven, 1997.

Meier, A., G.C. Toon, C.P. Rinsland, and A. Goldman (editors), Spectroscopic atlas of atmospheric microwindows in the middle infra-red, Institutet för Rymdfysik, Kiruna, preprint 123, 1997.

Nilsson, H., S. Kirkwood, J. Lilensten, and M. Galand, Enhanced Incoherent Scatter Plasma lines, Ann. Geophys., 14, 1462-1472, 1997.

Nilsson, H., K. Persson, F. Danis, N. R. P Harris, and J.A. Pyle, CFC measurements with DESCARTES during the ILAS validation campaign -early results, Proceedings of 13th ESA Symposium on Rocket and Balloon Programmes and Related Research, ESA-SP-397, 231-236, 1997.

Nilsson, A., Height calibration for ESRAD, IRF Internal Note 036, June, 1997.

Notholt, J., G. Toon, F. Stordal, S. Solberg, N. Schmidbauer, E. Becker, A. Meier, and B. Sen, Seasonal variations of atmospheric trace gases in the high arctic at 79degr N, J. Geophys. Res., 102, 12,855-12,861, 1997.

Olsen, P.-E., L. Marcus, and S. Kirkwood, ESRAD, Esrange MST radar, Proceedings of 13th ESA Symposium on Rocket and Balloon Programmes and Related Research, ESA-SP-397, 267-270, 1997.

Stebel, K., P. B. Chilson, V. Barabash, S. Kirkwood, A. Réchou, P. Hoffmann, W. Singer, and G. Schmidt, MST-radar lee wave observations during winter 1996/97 in Northern Scandinavia, Proceedings of 13th ESA Symposium on Rocket and Balloon Programmes and Related Research, ESA-SP-397, 179-183, 1997.

1996

Blix, T.A., E.V. Thrane, S. Kirkwood, and R.N. Sudan, Experimental evidence for unstable waves in the lower E/upper D-region excited near the bisector between the electric field and the drift velocity, Geophys. Res. Lett., 23, 2137-2140, 1996.

Kirkwood, S., Lower thermosphere mean temperatures, densities and winds measured by EISCAT: seasonal and solar-cycle effects, J. Geophys. Res., 101, 5133-5148, 1996.

Kirkwood, S., U. von Zahn, and K.H. Fricke, EISCAT and ALOMAR : Potential for cooperative science, J. Atmos. Terr. Phys., 58, 337-348, 1996.

Nilsson, H., S. Kirkwood, and N. Björnå, Bistatic measurements of incoherent-scatter plasma lines, J. Atmos. Terr. Phys., 58, 175-188, 1996.

Olsson, A, M.A.L. Persson, H.J. Opgenoorth, and S. Kirkwood, Particle precipitation in auroral break-ups and westward traveling surges, J. Bj. Res., 101, 24661-24673, 1996.

Osepian, A., and S. Kirkwood, High-energy electron fluxes derived from EISCAT electron-density profiles, J. Atmos. Terr. Phys., 58, 479-488, 1996.

Osepian, A., S. Kirkwood, and N. Smirnova, Energetic electron precipitation during auroral events observed by incoherent scatter radar, Adv. Space Res., 17, (11)149-(11)155, 1996.