Georg H. Hansen

Trends in polar ozone loss since 1989: potential sign of recovery in the Arctic ozone column

Pazmiño, Andrea; Goutail, Florence; Godin-Beekmann, Sophie; Hauchecorne, Alain; Pommereau, Jean-Pierre; Chipperfield, Martyn P.; Feng, Wuhu; Lefèvre, Franck; Lecouffe, Audrey; Van Roozendael, Michel; Jepsen, Nis; Hansen, Georg H.; Kivi, Rigel; Strong, Kimberly; Walker, Kaley A.

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2022. Annual report.

Platt, Stephen Matthew; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Fiebig, Markus; Fjæraa, Ann Mari; Hansen, Georg H.; Schmidbauer, Norbert; Myhre, Cathrine Lund; Stebel, Kerstin

An Unprecedented Arctic Ozone Depletion Event During Spring 2020 and Its Impacts Across Europe

Petkov, Boyan H.; Vitale, Vito; Di Carlo, Piero; Drofa, Oxana; Mastrangelo, Daniele; Smedley, Andrew R.D.; Diemoz, Henri; Siani, Anna-Maria; Fountoulakis, Ilias; Webb, Ann R; Bais, Alkiviadis; Kift, Richard; Rimmer, John; Hansen, Georg Heinrich; Svendby, Tove Marit; Pazmino, Andrea; Werner, Rolf; Atanassov, Atanas M.; Láska, Kamil; De Backer, Hugo; Mangold, Alexander; Köhler, Ulf; Velazco, Voltaire A.; Stübi, René; Solomatnikova, Anna; Pavlova, Kseniya; Sobolewski, Piotr S.; Johnsen, Bjørn; Goutail, Florence; Misaga, Oliver; Aruffo, Eleonora; Metelka, Ladislav; Tóth, Zoltán; Fekete, Dénes; Aculinin, Alexandr A.; Lupi, Angelo; Mazzola, Mauro; Zardi, Federico

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2021. Annual report.

Myhre, Cathrine Lund; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Platt, Stephen Matthew; Fiebig, Markus; Fjæraa, Ann Mari; Hansen, Georg H.; Schmidbauer, Norbert; Stebel, Kerstin

Total ozone trends and variability at three northern high-latitude stations

Bernet, Leonie; Svendby, Tove Marit; Hansen, Georg H.; Orsolini, Yvan J.; Dahlback, Arne; Goutail, Florence; Pazmino, Andrea; Petkov, Boyan

Re-evaluation and Homogenization of Aerosol Optical Depth Observations in Svalbard (ReHearsol). RCN Project No: 311250/E40 – ReHearsol Final Report

Hansen, Georg H.; Zielinski, Tymon; Pakszys, Paulina; Ritter, Christoph; Gilardoni, Stefania; Eleftheriadis, Konstantinos; Kouremeti, Natalia; Mateos, David; Herrero, Sara; Kazadzis, Stelios; Mazzola, Mauro; Stebel, Kerstin

Total Ozone Trends at Northern High Latitudes from Ground-based measurements

Bernet, Leonie; Dahlback, Arne; Goutail, Florence; Hansen, Georg Heinrich; Orsolini, Yvan J.; Pazminño, Andrea; Svendby, Tove Marit

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2020.

Svendby, Tove Marit; Hansen, Georg H.; Bäcklund, Are; Nilsen, Anne-Cathrine; Schulze, Dorothea; Johnsen, Bjørn

Evaluation of interannual variability of Arctic and Antarctic ozone loss since 198

Goutail, Florence; Pazmino, Andrea; Pommereau, Jean-Pierre; Lefevre, Franck; Godin-Beekmann, Sophie; Hauchecorne, Alain; Lecouffe, Audrey; Clerbaux, Cathy; Boynard, Anne; Hadji-Lazaro, Juliette; Chipperfield, Martyn P.; Feng, Wuhu; Van Roozendael, Michel; Jepsen, Nis; Hansen, Georg Heinrich; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley A.; Colwell, Steve

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2019. Annual report.

Myhre, Cathrine Lund; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Platt, Stephen Matthew; Fiebig, Markus; Fjæraa, Ann Mari; Hansen, Georg H.; Schmidbauer, Norbert; Krognes, Terje

Nytt, stort hull i ozonlaget

Hansen, Georg H. (interview subject); Tønset, Arne Egil (journalist)

Total ozone loss during the 2019/20 Arctic winter and comparison to previous years

Goutail, Florence; Pommereau, Jean-Pierre; Pazmino, Andrea; Lefevre, Franck; Clerbaux, Cathy; Boynard, Anne; Hadji-Lazaro, Juliette; Chipperfield, Martyn; Feng, Wuhu; Van Roozendael, Michel; Jepsen, Nis; Hansen, Georg Heinrich; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley

Forsker advarer og ber deg bruke solkrem: – Det vi ser nå har vi ikke sett på veldig lenge

Fjæraa, Ann Mari; Hansen, Georg Heinrich (interview subjects); Tømmerdal, Kine F. (journalist)

Ground-based measurements of total ozone column amount with a multichannel moderate-bandwidth filter instrument at the Troll research station, Antarctica

Sztipanov, Milos; Tumeh, Lubna; Li, Wei; Svendby, Tove Marit; Kylling, Arve; Dahlback, Arne; Stamnes, Jakob J.; Hansen, Georg; Stamnes, Knut

Ozonlaget – den internasjonale ozondagen

Hansen, Georg Heinrich (interview subject)

Klimakrisen og hva den har med DIN gressplen å gjøre

Hansen, Georg Heinrich

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2018.

Svendby, Tove Marit; Hansen, Georg Heinrich; Bäcklund, Are; Dahlback, Arne

SESS report 2018. The State of Environmental Science in Svalbard – an annual report.

Orr, Elisabeth; Hansen, Georg; Lappalainen, Hanna; Hübner, Christiane E.; Lihavainen, Heikki (eds.)

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2017 – Annual report

Myhre, Cathrine Lund; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Platt, Stephen Matthew; Fiebig, Markus; Fjæraa, Ann Mari; Hansen, Georg Heinrich; Schmidbauer, Norbert; Krognes, Terje; Walker, Sam-Erik

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation: Annual report 2017.

Svendby, Tove Marit; Hansen, Georg Heinrich; Dahlback, Arne

Altitude-temporal behaviour of atmospheric ozone, temperature and wind velocity observed at Svalbard

Petkov, Boyan H.; Vitale, Vito; Svendby, Tove Marit; Hansen, Georg Heinrich; Sobolewski, Piotr S.; Laská, Kamil; Elster, Josef; Pavlova, Kseniya; Viola, Angelo; Mazzola, Mauro; Lupi, Angelo; Solomatnikova, Anna

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2016 – Annual report.

Myhre, C. L.; Svendby, T.; Hermansen, O.; Lunder, C.; Fiebig, M.; Hansen, G.; Schmidbauer, N.; Krognes, T.

UV observations on Svalbard.

Hansen, G.; Svendby, T. M.; Petkov, B.; Vitale, V.; Sobolwski, P.; Elster, J.; Laska, K.

The impact of climate extremes on the carbon exchange of a Norwegian coastal bog derived from 7 years of observations.

Parmentier, F.-J.; Lund, M.; Hansen, G. H.; Bjerke, J.; Tømmervik, H.; de Wit, H. A.; Weldon, S.; Rasse, D.

Climate and environmental research at the atmospheric observatory at Trollhaugen.

Aas, W.; Lunder, C. R.; Fiebig, M.; Myhre, C. L.; Bohlin-Nizzetto, P.; Breivik, K.; Yttri, K. E.; Pfaffhuber, K. A.; Hansen, G. H.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2015.

Svendby, T.M.; Hansen, G.H.; Edvardsen, K.; Stebel, K.; Dahlback, A.

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2014 – Annual report.

Myhre, C.L.; Hermansen, O.; Fiebig, M.; Lunder, C.; Fjæraa, A.M.; Stebel, K.; Platt, M.; Hansen. G.; Svendby, T.; Schmidbauer, N.; Krognes, T.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2014.

Svendby, T.M.; Edvardsen, K.; Hansen, G.H.; Stebel, K.; Dahlback, A.

Svalbard Integrated Arctic Earth Observing System (SIOS). D2.2: Final proposal of a SIOS governance structure including observation platforms.

Hansen, G.; Vitale, V.; Neuber, R.; Hansson, H.C.; Pedersen, H.; Gilberg, T.; Olseng, C.D.

Jordens atmosfære: om klima, ozon og forurensning.

Hansen, G.

NILU i Arktis og Antarktis.

Lunder, C.R.; Aas, W.; Myhre, C.L.; Bohlin-Nizzetto, P.; Tørseth, K.; Stohl, A.; Fiebig, M.; Yttri, K.E.; Eckhardt, S.; Pfaffhuber, K.A.; Edvardsen, K.; Hansen, G.; Kallenborn, R.; Stebel, K.; Hermansen, O.; Bäcklund, A.; Wasseng, J.H.; Schmidbauer, N.

Hyper-spectral sensor measurements at an Arctic Atlantic raised bog in northern Norway.

Engelsen, O.; Tømmervik, H.; Rossini, M.; Vescovo, L.; Bjerke, J.W.; Hansen, G.

Study of the seasonal ozone variations at European high latitudes.

Werner, R.; Stebel, K.; Hansen, G.H.; Hoppe, U.-P.; Gausa, M.; Kivi, R.; von der Gathen, P.; Orsolini, Y.; Kilifarska, N.

GOMOS ozone profile validation using ground-based and balloon sonde measurements.

van Gijsel, J.A.E.; Swart, D.P.J.; Baray, J.-L.; Bencherif, H.; Claude, H.; Fehr, T.; Godin-Beekmann, S.; Hansen, G.H.; Keckhut, P.; Leblanc, T.; McDermid, I.S.; Meijer, Y.J.; Nakane, H.; Quel, E.J.; Stebel, K.; Steinbrecht, W.; Strawbridge, K.B.; Tatarov, B.I.; Wolfram, E.A.

Columnar aerosol properties seen at the Antarctic Troll station (72.0S, 2.3E) since 2007.

Stebel, K.; Fiebig, M.; Wasseng, J.; Lunder, C.; Hansen, G.; Wehrli, C.

Satellite validation with lidar.

van Gijsel, J.A,E.; Swart, D.P.J.; Baray, J-L.; Bencherif, H.; Claude, H.; Dudhia, A.; Fehr, T.; Godin-Beekmann, S.; Hansen, G.H.; Keckhut, P.; Leblanc, T.; McDermid, I.S.; Nakane, H.; Quel, E.J.; Stebel, K.; Steinbrecht, W.; Strawbridge, K.B.; Tatarov, B.I.

Global validation of ENVISAT ozone profiles using lidar measurements.

Van Gijsel, J.A.E.; Swart, D.P.J.; Baray, J.-L.; Claude, H.; Fehr, T.; Von Der Gathen, P.; Godin-Beekmann, S.; Hansen, G.H.; Leblanc, T.; McDermid, I.S.; Meijer, Y.J.; Nakane, H.; Quel, E.J.; Steinbrecht, W.; Strawbridge, K.B.; Tatarov, B.; Wolfram, E.A.

CO2 på skoleveien. Elevbasert forskningskampanje som del av Forskningsdagene 2007.

Hansen, G.H.; Randall, S.

CO2 on the way to school. English summary of final report assessing the 2007 Norwegian student-based web campaign.

Hansen, G.; Randall, S.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2007.

Myhre, C.L.; Edvardsen, K.; Stebel, K.; Svendby, T.M.; Hansen, G.H.; Dahlback, A.

Ozone trends at northern mid- and high latitudes – a European perspective.

Harris, N.R.P.; Kyrö, E.; Staehelin, J.; Brunner, D.; Andersen, S.-B.; Godin-Beekmann, S.; Dhomse, S.; Hadjinicolaou, P.; Hansen, G.; Isaksen, I.; Jrrar, A.; Karpetchko, A.; Kivi, R.; Knudsen, B.; Krizan, P.; Lastovicka, J.; Maeder, J.; Orsolini, Y.; Pyle, J.A.; Rex, M.; Vanicek, K.; Weber, M.; Wohltmann, I.; Zanis, P.; Zerefos, C.

Troll Station – A new year-round atmospheric monitoring and research station in Antarctica.

Hansen, G.H.; Lunder, C.R.; Schmidbauer, N.; Stebel, K.; Aas, W.; Kallenborn, R.; Holmén, K.; Tørseth, K.; Berg, T.

Atmospheric research and monitoring at Troll; a long-term observational program. Phase 1 (2005/06) NFR/NARE project 168908/S.30.

Hansen, G.; Aspmo, K.; Berg, T.; Edvardsen, K.; Fiebig, M.; Kallenborn, R.; Lunder, C.; Nilsen, T.; Schmidbauer, N.; Solberg, S.; Stebel, K.; Wasseng, J.; Yttri, K.E.

Bias determination and precision validation of ozone profiles from MIPAS-Envisat retrieved with the IMK-IAA processor.

Steck, T.; von Clarmann, T.; Fischer, H.; Funke, B.; Glatthor, N.; Grabowski, U.; Höpfner, M.; Kellmann, S.; Kiefer, M.; Linden, A.; Milz, M.; Stiller, G.P.; Wang, D.Y.; Allaart, M.; Blumenstock, Th.; von der Gathen, P.; Hansen, G.; Hase, F.; Hochschild, G.; Kopp, G.; Kyrö, E.; Oelhaf, H.; Raffalski, U.; Redondas Marrero, A.; Remsberg, E.; Russell III, J.; Stebel, K.; Steinbrecht, W.; Wetzel, G.; Yela, M.; Zhang, G.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2006.

Myhre, C.L.; Edvardsen, K.; Stebel, K.; Svendby, T.M.; Hansen, G.H.; Dahlback, A.

Application of wavelet transformation to determine wavelengths and phase velocities of gravity waves observed by lidar measurements.

Werner, R.; Stebel, K.; Hansen, G.H.; Blum, U.; Hoppe,U.-P.; Gausa, M.; Fricke, K.-H.

EARLINET-ASOS: European Aerosol Research Lidar Network-Advanced Sustainable Observation System.

Pappalardo, G.; Bösenberg, J.; Amodeo, A.; Ansmann, A.; Apituley, A.; Arboledas, L.A.; Balis, D.; Böckmann, C.; Chaikovsky, A.; Comeron, A.; Freudenthaler, V.; Hansen, G.; Mitev, V.; Nicolae, D.; Papayannis, A.; Perrone, M.R.; Pietruczuk, A.; Pujadas, M.; Putaud, J.P.; Ravetta, F.; Rizi, V.; Simeonov, V.; Spinelli, N.; Stoyanov, D.; Trickl, T.; Wiegner, M.

Comparison of GOMOS high-resolution temperature profiles (HRTP) with data from selected EQUAL lidar and radiosonde sites.

Stebel, K.; Hansen, G.; Meijer, Y.; Claude, H.; von der Gathen, P.; Keckhut, P.; Kyrö, E.; Leblanc, T.; Maturilli, M.; McDermid, I.S.; Neuber, R.; Pal, S.; Steinbrecht, W.; Strawbridge, K.; Swart, D.P.J.

Development of the ozone layer and UV radiation at Svalbard – an assessment for MOSJ.

Hansen, G.; Edvardsen, K.; Høiskar, B.A.

Fjernkontroll av ozonnedbrytningen i Arktis?

Hansen, G.H.

Long-term validation of GOMOS, MIPAS and Sciamachy ozone and temperature profiles by the Envisat Quality Assessment with Lidar (EQUAL) project.

Meijer, Y.; Baray, J.-L.; Bodeker, G.E.; Cluade, H.; Fricke, K.H.; von der Gathen, P.; Godin-Beekmann, S.; Hansen, G.; Keckhut, P.; Leblanc, T.; Lolkema, D.E.; McDermid, I.S.; Nakane,H.; Pal, S.; Snoeij, P.; Swart, D.P.J.

The Nordkalotten Satellite Evaluation & Co-operation Network (NorSEN). Poster presentation.

Hansen, G.; Stebel, K.; Kyrö, E.; Sukovaara, T.; Pulliainen, J.; Johansson, M.; Callaghan, T.; Bergholm, F.; Bekkelund, K.; Manninen, T.; Metsämäki, S.; Peltoniemi, J.; Koponen, S.; Smolander, H.; Stenberg, P.; Sørensen, K.; Pedersen, G.; Tømmervik, H.; Moen, J.; Uhlig, C.; Aspholm, P.E.; Ranta, H.

Narrowband filter radiometer for ground-based measurements of global ultraviolet solar irradiance and total ozone.

Petkov, B.; Vitale, V.; Tomasi, C.; Bonafé, U.; Scaglione, S.; Flori, D.; Santaguida, R.; Gausa, M.; Hansen, G.; Colombo, T.

Geophysical validation of SCIAMACHY limb ozone profiles.

Brinksma, E.J.; Bracher, A.; Lolkema, D.E.; Segers, A.J.; Boyd, I.S.; Bramstedt, K.; Claude, H.; Godin-Beekmann, S.; Hansen, G.; Kopp, G.; Leblanc, T.; McDermid, I.S.; Meijer, Y.J.; Nakane, H.; Parrish, A.; Savigny, C. von, Stebel, K.; Swart, D.P.J.; Taha, G.; Piters, A.J.M.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2005.

Myhre, C.L.; Edvardsen, K.; Hansen, G.H.; Stebel, K.; Høiskar, B.A.K.; Svendby, T.M.; Vik, A.F.; Dahlback, A.

Validation of IMK ozone profiles from MIPAS-Envisat.

Steck, T.; Blumenstock, T.; Clarmann, T. von, Fischer, H.; Glatthor, N.; Grabowski, U.; Hase, F.; Höpfner, M.; Kellmann, S.; Kiefer, M.; Linden, A.; Mengistu Tsidu, G.; Milz, M.; Oelhaf, H.; Stiller, G.P.; Wetzel, G.; Zhang, G.; Funke, B.; Wang, D.Y.; Allaart, M.; Gathe, P. von der, Hansen, G.; Stebel, K.; Kyro, E.; Raffalski, U.; Redonas, A.; Russell III, J.; Steinbrecht, W.; Yela, M.

Some effects of ultraviolet radiation and climate on the reproduction of Calanus finmarchicus (Copepoda) and year class formation in Arcto-Norwegian cod (Gadus morhua).

Skreslet, S.; Borja, A.; Bugliaro, L.; Hansen, G.; Meerkötter, R.; Olsen, K.; Verdebout, J.

A study of the Arctic tropopause, with special emphasis on Northern Scandinavia – a. Ozone sonde and ECMWF data analysis.

Stebel, K.; Hall, C.; Hansen, G.; Karpetchko, A.; Kirkwood, S.; Kyrö, E.; Latteck, R.; Müller, M.; Nikulin, G.; Orsolini, Y.; Roettger, J.; Singer, W.

Ozone research and monitoring in Norway. Powerpoint presentation.

Myhre, C.L.; Hansen, G.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2004.

Myhre, C.L.; Høiskar, B.A.K.; Braathen, G.O.; Dahlback, A.; Edvardsen, K.; Hansen, G.H.; Stebel, K.; Svendby, T.M.; Vik, A.F.

Long-term UV and PAR doses in Nortern-Norway in spring on the basis of total ozone and cloud cover.

Engelsen, O.; Hansen, G. H.; Svenøe, T.

MIPAS temperature validation by radiosonde and lidar.

Fricke, K.H.; Blum, U.; Baumgarten, G.; Congeduti, F.; Cuomo, V.; Hansen, G.; Mona,L.; Schets, H.; Stebel, K.; Stübi, R.

Winter 02/03 above Northern Scandinava: low O3 and strong PSCs.

Stebel, K.; Edvardsen, K.; Hansen, G.; Gausa, M.

Re-evaluation and analysis of the 65-year Tromsø total ozone series.

Hansen, G.; Svenøe, T.

Pole-to-pole validation of Envisat GOMOS ozone profiles using data from ground-based and balloon sonde measurements.

Meijer, Y. J.; Swart, D. P. J.; Allaart, M.; Andersen, S. B.; Bodeker, G.; Boyd, I.; Braathen, G.; Calisesi, Y.; Claude, H.; Dorokhov, V.; von der Gathen, P.; Gil, M.; Godin-Beekmann, S.; Goutail, F.; Hansen, G.; Karpetchko, A.; Keckhut, P.; Kelder, H. M.; Koelemeijer, R.; Kois, B.; Koopman, R. M.; Kopp, G.; Lambert, J.-C.; Leblanc, T.; McDermid, I. S.; Pal, S.; Schets, H.; Stubi, R.; Suortti, T.; Visconti, G.; Yela, M.

Analysis of the 65-year total ozone series from Tromsø. Powerpoint presentation.

Hansen, G.H.; Svenøe, T.

Extreme climate of the global troposphere and stratosphere in the 1940-42 related to El Nino.

Brönnimann, S.; Luterbacher, J.; Staehelin, J.; Svendby, T. M.; Hansen, G.; Svenøe, T.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2003

Høiskar, B.-A.K.; Braathen, G.O.; Dahlback, A.; Edvardsen, K.; Hansen, G.; Stebel, K.; Svendby, T.; Vik, A.F.

Ozone and UV observations at ALOMAR (69°N, 16°E).

Gausa, M.; Edardsen, K.; Hansen, G.

Summertime low-ozone episodes at northern high latitudes.

Orsolini, Y.J.; Eskes, H.; Hansen, G.; Hoppe, U.P.; Kylling, A.; Kyro, E.; Notholt, J.; Van Der A.; R.; Von Der Gathen, P.

Ozone soundings at the Nadir datacentre.

Vik, A.F.; Hansen, G.H.; Bojkov, B.; Westby, A.

Den faglige aktiviteten ved Polarmiljøsenteret.

Hansen, G.

Signatures of climate tele-connection patterns in geophysical data series from Northern Scandinavia.

Hansen, G.; Borja, A.; Orsolini, Y. Svenøe, T.

Validation of GOME derived ozone profiles by means of ozonesonde and lidar.

Hansen, G.; Vik, A.F.; Eskes, H.; R. van der A.

Ongoing and planned aerosol-related activities in the Arctic by NILU and cooperation partners.

Hansen, G.H.

An evaluation of cloud affected UV radiation from polar orbiting and geostationary satellites at high latitudes.

Meerkotter, R.; Verdebout, J.; Bugliaro, L.; Edvardsen, K.; Hansen, G.

Lidar algorithm comparison of PSC measurements at Ny-Ålesund, Sodankylae and ALOMAR. Poster presentation.

Stebel, K.; Müller, M.; Hansen, G.H.; Neuber, R.; Kivi, R.; Ruhe, W.

Implementation of a daylight receiver in the ALOMAR ozone lidar. Final report.

Stebel, K.; Hansen, G.; Edvardsen, K.; Storelvmo, T.; Gausa, M.

Validation of GOMOS ozone profiles using NDSC lidar: Statistical comparison.

Keckhut, P.; Marchand, S.; Hauchecorne, A.; Godin, S.; Pinsard, F.; McDermid, S.; Leblanch, T.; Hansen, G.; Baray, J.L.; Bencherif, H.; Swart, D.; Meijer, Y.; Pal, S.; Guirlet, M.; Vialle, C.; Posny, F.; Goutail, F.

Coordinated ground-based validation of ENVISAT atmospheric chemistry with NDSC network data: Commissioning phase report.

Lambert, J.C.; Soebijanta, V.; Orsolini, Y.; Andersen, S.; Van, A. B.; Burrows, J.; Calisesi, Y.; Cambridge, C.; Claude, H.; De Backer-Barilly, M.-R.; de La Noë, J.; De Maziere, M.; Dorokohov, V.; Vik, A. F.; Godin-Beekmann, S.; Goutail, F.; Hansen, G.; Hochschild, G.; Høiskar, B. A.; Johnston, P.; Kämpfer, N.; Kreher, K.; Kyrö, E.; Leveau, J.; Mäder, J.; Milinevski, G.; Pommerau, J.-P.; Quinn, P.; Raffalski, U.; Rihter, A.; Roscoe, H.; Shanklin, J.; Staehlin, J.; Stebel, K.; Stubi, R.; Suortti, T.; Tørnkvist, K.; Van Roozendael, M.; Vaughan, G.; Wittrock, F.

Assessment of four methods to estimate surface UV radiation using satellite data, by comparison with ground measurements from four stations in Europe.

Arola, A.; Kalliskota, S.; den Outer, P.N.; Edvardsen, K.; Hansen, G.; Koskela, T.; Martin, T.J.; Matthijsen, J.; Meerkoetter, R.; Peeters, P.; Seckmeyer, G.; Simon, P.C.; Slaper, H.; Talaas, P.; Verdebout, J.

Re-construction of the long-term UV climate at a North-Norwegian location in spring.

Engelsen, O.; Hansen, G.

The European Fifth Framework Project GOA.

Kelder, H.; Eskes, H.; Boersma, F.; Isaksen, I.; Gauss, M.; Zerefos, C.S.; Balis, D.; Platt, U.; Wenig, M.; Beirle, S.; Wagner, T.; Hansen, G.; Vik, A.F.; Zehner, C.

Summertime Arctic ozone variability and low-ozone episodes.

Orsolini, Y.; Eskes, H.; Hansen, G.; Hoppe, U.; Kylling, A.; Notholt, J. Van Der A, R. , Von Der Gathen, P.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2001.

Høiskar, B.A.K.; Braathen, G.O.; Dahlback, A.; Edvardsen, K.; Hansen, G.; Svendby, T.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2000.

Høiskar, B. A. K.; Braathen, G. O.; Dahlback, A.; Bojkov, B. R.; Edvardsen, K.; Hansen, G.; Svenøe, T.

The 60-year record of total ozone from Tromsø: Re-evaluation procedure and first results.

Svenøe, T.; Hansen, G.H.

Lidar observations of polar stratospheric clouds on the weather side of the Scandinavian mountain ridge. Poster presentation.

Hansen, G.H.; Fiedler, J.

Determining the index of refraction of polar stratospheric clouds above Andoya (69 degrees N) by combining size-resolved concentration and optical scattering measurements.

Deshler, T.; Nardi, B.; Adriani, A.; Cairo, F.; Hansen, G.; Fierli, F.; Hauchecorne, A.; Pulvirenti, L.

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 1999.

Høiskar, B.A.K.; Braathen, G.O.; Dahlback, A.; Bojkov, B.R.; Svenøe, T.; Edvardsen, K.; Hansen, G.H.

Skremmende klimaendringer. Intervju med Georg Hansen.

Hansen, G.

Ozone depletion at edge of the Arctic polar vortex 1996/1997.

Hansen, G.; Chipperfield, M.

Re-construction of ozone profile and column at Andøya in the winter 1997/98.

Orsolini, Y.; Hansen, G.; Hoppe, U.P.; Manney, G.L.; Livesey, N.

Monitoring of the ozone layer. Annual report 1996.

Dahlback, A.; Braathen, G O.; Hansen, G H.; Svenøe, T.