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Georg H. Hansen

Seniorforsker

63 89 82 80

Avdeling for atmosfære og klima
Framsenteret, Tromsø

ghh@nilu.no


Georg H. Hansen

Georg H. Hansen har 181 publikasjoner ved NILU:

Total ozone loss during the 2021/22 Arctic winter and comparison to previous years

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

2022

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

2022

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2021.

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

2022

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

2022

Atmospheric composition in the European Arctic and 30 years of the Zeppelin Observatory, Ny-Ålesund

Platt, Stephen Matthew; Hov, Øystein; Berg, Torunn; Breivik, Knut; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Evangeliou, Nikolaos; Fiebig, Markus; Fisher, Rebecca; Hansen, Georg Heinrich; Hansson, Hans-Christen; Heintzenberg, Jost; Hermansen, Ove; Heslin-Rees, Dominic; Holmén, Kim; Hudson, Stephen; Kallenborn, Roland; Krejci, Radovan; Krognes, Terje; Larssen, Steinar; Lowry, David; Myhre, Cathrine Lund; Lunder, Chris Rene; Nisbet, Euan; Bohlin-Nizzetto, Pernilla; Park, Ki-Tae; Pedersen, Christina Alsvik; Pfaffhuber, Katrine Aspmo; Röckmann, Thomas; Schmidbauer, Norbert; Solberg, Sverre; Stohl, Andreas; Ström, Johan; Svendby, Tove Marit; Tunved, Peter; Tørnkvist, Kjersti Karlsen; van der Veen, Carina; Vratolis, Stergios; Jun Yoon, Young; Yttri, Karl Espen; Zieger, Paul; Aas, Wenche; Tørseth, Kjetil

2022

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

2021

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2020. 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

2021

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

2021

GUV long-term measurements of total ozone column and effective cloud transmittance at three Norwegian sites

Svendby, Tove Marit; Johnsen, Bjørn; Kylling, Arve; Dahlback, Arne; Bernhard, Germar H.; Hansen, Georg H.; Petkov, Boyan; Vitale, Vito

2021

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

2021

Ground-based validation of the Copernicus Sentinel-5P TROPOMI NO2 measurements with the NDACC ZSL-DOAS, MAX-DOAS and Pandonia global networks

Verhoelst, Tijl; Compernolle, Steven; Pinardi, Gaia; Lambert, Jean-Christopher; Eskes, Henk J.; Eichmann, Kai Uwe; Fjæraa, Ann Mari; Granville, José; Niemeijer, Sander; Cede, Alexander; Tiefengraber, Martin; Hendrick, François; Pazmino, Andrea; Bais, Alkiviadis; Bazureau, Ariane; Boersma, K. Folkert; Bognar, Kristof; Dehn, Angelika; Donner, Sebastian; Elokhov, Aleksandr; Gebetsberger, Manuel; Goutail, Florence; de la Mora, Michel Grutter; Gruzdev, Aleksandr; Gratsea, Myrto; Hansen, Georg H.; Irie, Hitoshi; Jepsen, Nis; Kanaya, Yugo; Karagkiozidis, Dimitris; Kivi, Rigel; Kreher, Karin; Levelt, Pieternel F.; Liu, Cheng; Muller, Moritz; Comas, Monica Navarro; Piters, Ankie J.M.; Pommereau, Jean-Pierre; Portafaix, Thierry; Prados-Roman, Cristina; Puentedura, Olga; Querel, Richard; Remmers, Julia; Richter, Andreas; Rimmer, John; Cárdenas, Claudia Rivera; de Miguel, Lidia Saavedra; Sinyakov, Valery P.; Stremme, Wolfgang; Strong, Kimberly; Van Roozendael, Michel; Veefkind, J. Pepijn; Wagner, Thomas; Wittrock, Folkard; Gonzalez, Margarita Yela; Zehner, Claus

2021

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

2020

Air monitoring at the Trollhaugen Observatory in Antarctica

Aas, Wenche; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Halse, Anne Karine; Hansen, Georg H.; Lunder, Chris Rene; Myhre, Cathrine Lund; Bohlin-Nizzetto, Pernilla; Pfaffhuber, Katrine Aspmo; Platt, Stephen Matthew; Schmidbauer, Norbert; Solberg, Sverre; Svendby, Tove Marit; Yttri, Karl Espen

2020

Nytt, stort hull i ozonlaget

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

2020

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2019.

Svendby, Tove Marit; Hansen, Georg H.; Bäcklund, Are; Nilsen, Anne-Cathrine

2020

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

2020

Påsken starter med et sjeldent ozonhull

Hansen, Georg Heinrich; Svendby, Tove Marit (intervjuobjekter); Høiness, Helle (journalist)

2020

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

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

2020

Study of Chemical and Optical Properties of Biomass Burning Aerosols during Long-Range Transport Events toward the Arctic in Summer 2017

Zielinski, Tymon; Bolzacchini, Ezio; Cataldi, Marco; Ferrero, Luca; Grassl, Sandra; Hansen, Georg Heinrich; Mateos, David; Mazzola, Mauro; Neuber, Roland; Pakszys, Paulina; Posyniak, Michal; Ritter, Christoph; Severi, Mirko; Sobolewski, Piotr; Traversi, Rita; Velasco-Merino, Christian

2020

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

2020

Total ozone loss during the 2018/19 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; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley A.

2019

Ozonlaget – den internasjonale ozondagen

Hansen, Georg Heinrich (intervjuobjekt)

2019

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2018. 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

2019

Går mot rekordlite hull i ozonlaget

Hansen, Georg Heinrich (intervjuobjekt); Elster, Kristian (journalist)

2019

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

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

2019

Observations of the solar UV irradiance and ozone column at Svalbard

Petkov, B. H.; Hansen, Georg Heinrich; Svendby, Tove Marit; Sobolewski, P. S.; Láska, K.; Elster, J.; Viola, A.; Mazzola, M.; Lupi, A.

2019

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.)

2019

Highlights from the latest research and monitoring activities at the Trollhaugen Observatory

Aas, Wenche; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Hansen, Georg Heinrich; Lunder, Chris Rene

2018

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

2018

Recent Arctic ozone depletion: Is there an impact of climate change?

Pommereau, Jean-Pierre; Goutail, Florence; Pazmino, Andrea; Lefèvre, Franck; Chipperfield, Martyn P.; Feng, Wuhu; van Roozendael, Michel; Jepsen, Nis; Hansen, Georg; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley; Kuzmichev, Alexandr; Khattatov, Slava; Sitnikova, Vera

2018

Vulnerability and resilience of the carbon exchange of a subarctic peatland to an extreme winter event

Parmentier, Frans-Jan W.; Rasse, Daniel; Lund, Magnus; Bjerke, Jarle W.; Drake, Bert G.; Weldon, Simon Mark; Tømmervik, Hans; Hansen, Georg Heinrich

2018

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

2018

Coordinating and integrating UV observations in Svalbard.

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

2017

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.

2017

Trends and annual cycles in soundings of Arctic tropospheric ozone.

Christiansen, B.; Jepsen, N.; Kivi, R.; Hansen, G.; Larsen, N.; Korsholm, U. S.

2017

UV observations on Svalbard.

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

2017

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2016.

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

2017

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.

2016

Total ozone and UV measurements at the Norwegian Troll Station, Antarctica.

Hansen, G.; Svendby, T.; Dahlback, A.; Edvardsen, K.

2016

Klima- og miljøforskning på luftovervåkingsobservatoriet på 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.

2016

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2015 – Annual report.

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

2016

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.

2016

Effects of climate variability on vegetation and carbon uptake in a North-Norwegian coastal wetland.

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

2015

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.

2015

Time series analysis of Arctic tropospheric ozone as short-lived climate force.

Christiansen, B.; Jepsen, N.; Kivi, R.; Hansen, G.H.; Larsen, N.; Korsholm, U.S.

2015

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.

2015

Low impact of dry conditions on the CO2 exchange of a Northern-Norwegian blanket bog.

Lund, M.; Bjerke, J.W.; Drake, B.G.; Engelsen, O.; Hansen, G.H.; Parmentier, F.J.W.; Powell, T.L.; Silvennoinen, H.; Sottocornola, M.; Tømmervik, H.; Weldon, S.; Rasse, D.P.

2015

Typifying air masses and sources at Birkenes in southern Norway by combining ACTRIS observables and model tools.

Fiebig, M.; Aas, W.; Solberg, S.; Schmidbauer, N.; Fjæraa, A.M.; Yttri, K.E.; Hamburger, T.; Lunder, C.R.; Myhre, C.L.; Wisthaler, A.; Tørseth, Hansen, G.

2014

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.

2014

Land atmosphere exchange of carbon dioxide in a north Norwegian blanket bog.

Lund, M.; Bjerke, J.W.; Drake, B.G.; Engelsen, O.; Hansen, G.H.; Parmentier, F.J.W.; Powell, T.; Silvennoinen, H.; Tømmervik, H.; Weldon, S.; Rasse, D.

2013

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.

2013

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.

2011

On the usability of the ERA-40 reanalysis in the estimation of past surface UV radiation over Europe.

Kaurola, J.; Lindfors, A.; Lakkala, K.; Hansen, G.; Josefsson, W.; Vuilleumier, L.; Feister, U.; Slaper, H.

2010

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.

2010

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.

2010

Emissions from incineration of fluoropolymer materials. A literature survey.

Huber, S.; Moe, M.K.; Schmidbauer, N.; Hansen, G.H.; Herzke, D.

2009

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.

2009

EARLINET coordinated lidar observations of Saharan dust events on continental scale.

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

2009

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.

2009

Atmospheric monitoring at the Norwegian Antarctic station Troll: Measurement programme and first results.

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

2009

Study of the inter-annual ozone variation at European high latitudes.

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

2008

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.

2008

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.

2008

Total ozone observations during the past 80 years.

Brönnimann, S.; Vogler, C.; Staehelin, J.; Stolarski, R.; Hansen, G.

2008

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.

2007

Observasjoner av atmosfæriske parametere ved Troll-stasjonen i Antarktis – forskning og overvåkning basert på lange tidsserier. Fase 1 (2005/06) – NFR/NARE prosjekt 168908/S30.

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.

2007

A trajectory-based estimate of the tropospheric ozone column using the residual method.

Schoeberl, M.R.; Ziemke, J.R.; Bojkov, B.; Livesey, N.; Duncan, B.; Strahan, S.; Froidevaux, L.; Kulawik, S.; Bhartia, P.K.; Chandra, S.; Levelt, P.F.; Witte, J.C.; Thompson, A.M.; Cuevas, E.; Redondas, A.; Tarasick, D.W.; Davies, J.; Bodeker, G.; Hansen, G. et al.

2007

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.

2007

Aerosols in polar regions: A historical overview based on optical depth and in situ observations.

Tomasi, C.; Vitale, V.; Lupi, A.; Di Carmine, C.; Campanelli, M.; Herber, A.; Treffeisen, R.; Stone, R.S.; Andrews, E.; Sharma, S.; Radionov, V.; von Hoyningen-Huene, W.; Stebel, K.; Hansen, G.H.; Myhre, C.L.; Wehrli, C.; Aaltonen, V.; Lihavainen, H.; Virkkula, A.; Hillamo, R.; Ström, J.; Toledano, C.; Cachorro, V.E.; Ortiz, P.; de Frutos, A.M.; Blindheim, S.; Frioud, M.; Gausa, M.; Zielinski, T.; Petelski, T.; Yamanouchi, T.

2007

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.

2007

Gome ozone profiles retrieved by neural network techniques: A global validation with lidar measurements.

Iapaolo, M.,Godin-Beekmann, S. Del Frate, F.; Casadio, S.; Petitdidier, M.; McDermid, I.S.; Leblanc, T.; Swart, D.; Meijer, Y. Hansen, G.; Stebel, K.

2007

Aerosol optical properties obtained from tropospheric lidar and sun photometer measurements in 2005 and 2006 at ALOMAR (69°N, 16°E).

Stebel, K.; Friod, M.; Myhre, C.L.; Toledano, C.; Hansen, G.; Gausa, M.; Mogo, S.; Rodriguez, E.; de Frutos, A.; Cachorro, V.; Kristjansson, J.E.

2007

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.

2007

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.

2006

Observation and characterization of aerosols above ALOMAR (69°N) by tropospheric Lidar, sun-photometer and VHF Radar.

Frioud, M.; Gausa, M.; Stebel, K.; Hansen, G.; Myhre, C.; Singer, W., Latteck, Angel de Frutos, R.; Cachorro, V.; Toledano, C.,, Rodriguez, E.

2006

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.

2006

Validation of the GOMOS high-resolution temperature product (HRTP) using lidar.

Stebel, K.; Hansen, G.; Meijer, Y.; Swart, D.P.J.; Claude, H.; Steinbrecht, W.; Neuber, R.; Pal, S.; Nakane, H.; Keckhut, P.; Bencherif, H.; McDermid, I.S.; Leblanc, T.; Strawbridge, K.

2006

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.

2006

Validation of the GOMOS high-resolution temperature product (HRTP) using lidar. Poster presentation.

Stebel, K.; Hansen, G.; Blum, U.; Fricke, K.H.; Claude, H.; Steinbrecht, W.; Neuber, R.; Pal, S.; Nakane, H.; Keckhut, P.; Bencherif, H.; McDermid, I.S.; Meijer, Y.; Swart, D.P.J.; Leblanc, T.

2006

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.

2006

Evaluation of Global Ozone Monitoring Experiment (GOME) ozone profiles from nine different algorithms.

Meijer, Y.J.; Swart, D.P.J.; Baier, F.; Bhartia, P.K.; Bodeker, G.E.; Casadio, S.; Chance, K.; Del Frate, F.; Erbertseder, T.; Felder, M.D.; Flynn, L.E.; Godin-Beekmann, S.; Hansen, G.; Hasekamp, G.; Kaifer, A.; Kelder, H.M.; Kerridge, B.J.; Lambert, J.-C.; Landgraf, J.; Latter, B.; Liu, X.; McDermid, I.S.; Pachepsky, Y.; Rozanov, V.; Siddans, R.; Tellmann, S.; van der A, R.J.; van Oss, R.F.; Weber, M.; Zehner, C.

2006

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.

2006

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.

2006

Aerosol properties in the European Arctic region.

Myhre, C.L.; Stebel, K.; Toledano, C.; Schaug, J.; de Frutos, A.M.; Cachorro, V.E.; Hansen, G.

2006

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.

2006

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.

2005

Lidar observations of polar stratospheric clouds above ESRANGE and ALOMAR in Northern Scandinavia: Statistics and simultaneous observations.

Blum, U.; Fricke, K.H.; Baumgarten G.; Eckart, L.; Stebel, K.; Hansen, G.; Gausa, M.; Hoppe, U.-P.

2005

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.

2005

Establishment of Decadal-scale UV climatologies for high-latitude ecosystems studies. Powerpoint presentation.

Hansen, G.; Engelsen, O.; Edvardsen, K.; Verdebout, J.; Meerkoetter, R.; Bugliaro, L.; Borja, A.

2004

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.

2004

Establishment of Decadal-scale UV climatologies for high-latitude ecosystems studies.

Hansen, G.; Engelsen, O.; Edvardsen, K.; Verdebout, J.; Meerkoetter, R.; Bugliaro, L.; Borja, A.

2004

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

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

2004

Summertime low-ozone episodes over northern high latitudes and their impact on

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

2004

Review of ozone and temperature lidar validations performed within the framework of the Network for the Detection of Stratospheric Change.

Keckhut, P.; McDermid, S.; Swart, D.; McGee, T.; Godin-Beekmann, S.; Adriani, A.; Barnes, J.; Baray, J.-L.; Bencherif, H.; Claude, H.; di Sarra, A.G.; Fiocco, G.; Hansen, G.; Hauchecorne, A.; Leblanc, T.; Lee, C.H.; Pal, S.; Megie, G.; Nakane, H.; Neuber, R.; Steinbrecht, W.; Thayer, J.

2004

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.

2004

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.

2004

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.

2004

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

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

2003

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.

2003

Ozone soundings at the Nadir datacentre.

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

2003

Ozon og partikler er viktige for klimaet.

Isaksen, I.S.A.; Gauss, M.; Myhre, G.; Iversen, T.; Stebel, K.; Orsolini, Y.; Braathen, G.; Hansen, G.; Sundet, J.K.; Stordal, F.

2003

NILU instruments at ALOMAR: Status and scientific results 2003.

Hansen, G.; Edvardsen, K.; Stebel, K.; Tørnkvist, K.K.

2003

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

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

2003

The Nordkalotten Satellite Validation Network (NorSatVal). Poster presentation.

Hansen, G.; Engelsen, O.; Kyrö, E. Sukovaara, T.; Johansson, M.; Callaghan, T.; Bergholm, F.; Gausa, M.; Manninen, T.; Metsämäki, S.; Peltoniemi, J.; Pulliainen, J.; Smolander, H.; Stenberg, P.; Sørensen, K.; Tømmervik, H.

2003

Validation of GOME ozone profiles by means of the ALOMAR ozone lidar.

Hansen, G.; Bramstedt, K.; Rozanov, V.; Weber, M.; Burrows, J.P.

2003

Observations of early winter stratospheric conditions in 2002/03 above ALOMAR. Poster presentation.

Stebel, K.; Baumgarten, G.; Bekkelund, K.; Edvardsen, K.; Gausa, M.; Hansen, G.H.; Lyngra, R.; Schöch, A.

2003

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.

2003

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

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

2003

Overvåking av ozonlaget og naturlig ultrafiolett stråling. Årsrapport 2002.

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

2003

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.

2003

The preliminary validation of GOMOS, MIPAS and SCIAMACHY by groundbased instruments and soundings.

Koopman, R.M.; Blumenstock, T.; Burrows, J.P.; Ciotti, P.; Congeduti, F.; Cuomo, V.; De Mazière, M.; De Muer, D.; Fricke, K,H.; Hansen, G.; Keckhut, P.; Kelder, H.; Kyro, E.; Lambert, J.C.; Matthews, A.; Pal, S.R.; Petritoli, A.; Swart, D.; Timofeye v, Y.; Visconti, G.

2003

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.

2003

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.

2002

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.

2002

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.

2002

Overvåking av ozonlaget og naturlig ultrafiolett stråling. Årsrapport 2001.

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

2002

Overvåking av atmosfærens ozonlag og naturlig ultrafiolett stråling. Årsrapport 2000.

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

2001

Co-ordinated observations of ozone, PSCs and stratospheric trace gases at ALOMAR, Norway.

Hansen, G.H.; Arlander, W.; Edvardsen, K.; Tørnkvist, K.; Fiedler, J.; von Cossart, G.; Sarcissian, A.

2000

Match observations in the Arctic winter 1996/97: High stratospheric ozone loss rates correlate with low temperatures deep inside the polar vortex.

Schulz, A.; Rex, M.; Steger, J.; Harris, N.R.P.; Braathen, G.O.; Reimer, E.; Alfier, R.; Beck, A.; Alpers, M.; Cisneros, J.; Claude, H.; De Backer, H.; Dier, H.; Dorokhov, V.; Fast, H.; Godin, S.; Hansen, G.; Kanzawa, H.; Kois, B.; Kondo, Y.; Kosmidis, E.; Kyrö, E.; Litynska, Z.; Molyneux, M.J.; Murphy, G.; Nakane, H.; Parrondo, C.; Ravegnani, F.; Varotsos, C.; Vialle, C.; Viatte, P.; Yushkov, V.; Zerefos, C.,, von der Gathen, P.

2000

Overvåking av atmosfærens ozonlag og naturlig ultrafiolett stråling. Årsrapport 1999.

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

2000

A model study of ozone laminae at ALOMAR.

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

1999

Overvåking av ozonlaget og naturlig ultrafiolett stråling. Årsrapport 1998.

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

1999

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.

1999

Overvåking av ozonlaget. Årsrapport 1997.

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

1998

Overvåking av ozonlaget. Årsrapport 1996.

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

1997

Overvåking av ozonlaget. Årsrapport 1995.

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

1996

UV Intercomparison and Integration in a High Arctic Environment (UVAC)

The Arctic is a region which to high extent influences the atmospheric behaviour in the Northern hemisphere and for this reason attracts the attention of the scientific community. The Atmosphere […]

Prosjektperiode: 2000 – 2002

Fullført

Georg H. Hansen har 181 publikasjoner ved NILU:

Total ozone loss during the 2021/22 Arctic winter and comparison to previous years

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

2022

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

2022

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2021.

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

2022

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

2022

Atmospheric composition in the European Arctic and 30 years of the Zeppelin Observatory, Ny-Ålesund

Platt, Stephen Matthew; Hov, Øystein; Berg, Torunn; Breivik, Knut; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Evangeliou, Nikolaos; Fiebig, Markus; Fisher, Rebecca; Hansen, Georg Heinrich; Hansson, Hans-Christen; Heintzenberg, Jost; Hermansen, Ove; Heslin-Rees, Dominic; Holmén, Kim; Hudson, Stephen; Kallenborn, Roland; Krejci, Radovan; Krognes, Terje; Larssen, Steinar; Lowry, David; Myhre, Cathrine Lund; Lunder, Chris Rene; Nisbet, Euan; Bohlin-Nizzetto, Pernilla; Park, Ki-Tae; Pedersen, Christina Alsvik; Pfaffhuber, Katrine Aspmo; Röckmann, Thomas; Schmidbauer, Norbert; Solberg, Sverre; Stohl, Andreas; Ström, Johan; Svendby, Tove Marit; Tunved, Peter; Tørnkvist, Kjersti Karlsen; van der Veen, Carina; Vratolis, Stergios; Jun Yoon, Young; Yttri, Karl Espen; Zieger, Paul; Aas, Wenche; Tørseth, Kjetil

2022

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

2021

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2020. 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

2021

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

2021

GUV long-term measurements of total ozone column and effective cloud transmittance at three Norwegian sites

Svendby, Tove Marit; Johnsen, Bjørn; Kylling, Arve; Dahlback, Arne; Bernhard, Germar H.; Hansen, Georg H.; Petkov, Boyan; Vitale, Vito

2021

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

2021

Ground-based validation of the Copernicus Sentinel-5P TROPOMI NO2 measurements with the NDACC ZSL-DOAS, MAX-DOAS and Pandonia global networks

Verhoelst, Tijl; Compernolle, Steven; Pinardi, Gaia; Lambert, Jean-Christopher; Eskes, Henk J.; Eichmann, Kai Uwe; Fjæraa, Ann Mari; Granville, José; Niemeijer, Sander; Cede, Alexander; Tiefengraber, Martin; Hendrick, François; Pazmino, Andrea; Bais, Alkiviadis; Bazureau, Ariane; Boersma, K. Folkert; Bognar, Kristof; Dehn, Angelika; Donner, Sebastian; Elokhov, Aleksandr; Gebetsberger, Manuel; Goutail, Florence; de la Mora, Michel Grutter; Gruzdev, Aleksandr; Gratsea, Myrto; Hansen, Georg H.; Irie, Hitoshi; Jepsen, Nis; Kanaya, Yugo; Karagkiozidis, Dimitris; Kivi, Rigel; Kreher, Karin; Levelt, Pieternel F.; Liu, Cheng; Muller, Moritz; Comas, Monica Navarro; Piters, Ankie J.M.; Pommereau, Jean-Pierre; Portafaix, Thierry; Prados-Roman, Cristina; Puentedura, Olga; Querel, Richard; Remmers, Julia; Richter, Andreas; Rimmer, John; Cárdenas, Claudia Rivera; de Miguel, Lidia Saavedra; Sinyakov, Valery P.; Stremme, Wolfgang; Strong, Kimberly; Van Roozendael, Michel; Veefkind, J. Pepijn; Wagner, Thomas; Wittrock, Folkard; Gonzalez, Margarita Yela; Zehner, Claus

2021

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

2020

Air monitoring at the Trollhaugen Observatory in Antarctica

Aas, Wenche; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Halse, Anne Karine; Hansen, Georg H.; Lunder, Chris Rene; Myhre, Cathrine Lund; Bohlin-Nizzetto, Pernilla; Pfaffhuber, Katrine Aspmo; Platt, Stephen Matthew; Schmidbauer, Norbert; Solberg, Sverre; Svendby, Tove Marit; Yttri, Karl Espen

2020

Nytt, stort hull i ozonlaget

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

2020

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2019.

Svendby, Tove Marit; Hansen, Georg H.; Bäcklund, Are; Nilsen, Anne-Cathrine

2020

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

2020

Påsken starter med et sjeldent ozonhull

Hansen, Georg Heinrich; Svendby, Tove Marit (intervjuobjekter); Høiness, Helle (journalist)

2020

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

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

2020

Study of Chemical and Optical Properties of Biomass Burning Aerosols during Long-Range Transport Events toward the Arctic in Summer 2017

Zielinski, Tymon; Bolzacchini, Ezio; Cataldi, Marco; Ferrero, Luca; Grassl, Sandra; Hansen, Georg Heinrich; Mateos, David; Mazzola, Mauro; Neuber, Roland; Pakszys, Paulina; Posyniak, Michal; Ritter, Christoph; Severi, Mirko; Sobolewski, Piotr; Traversi, Rita; Velasco-Merino, Christian

2020

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

2020

Total ozone loss during the 2018/19 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; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley A.

2019

Ozonlaget – den internasjonale ozondagen

Hansen, Georg Heinrich (intervjuobjekt)

2019

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2018. 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

2019

Går mot rekordlite hull i ozonlaget

Hansen, Georg Heinrich (intervjuobjekt); Elster, Kristian (journalist)

2019

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

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

2019

Observations of the solar UV irradiance and ozone column at Svalbard

Petkov, B. H.; Hansen, Georg Heinrich; Svendby, Tove Marit; Sobolewski, P. S.; Láska, K.; Elster, J.; Viola, A.; Mazzola, M.; Lupi, A.

2019

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.)

2019

Highlights from the latest research and monitoring activities at the Trollhaugen Observatory

Aas, Wenche; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Hansen, Georg Heinrich; Lunder, Chris Rene

2018

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

2018

Recent Arctic ozone depletion: Is there an impact of climate change?

Pommereau, Jean-Pierre; Goutail, Florence; Pazmino, Andrea; Lefèvre, Franck; Chipperfield, Martyn P.; Feng, Wuhu; van Roozendael, Michel; Jepsen, Nis; Hansen, Georg; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley; Kuzmichev, Alexandr; Khattatov, Slava; Sitnikova, Vera

2018

Vulnerability and resilience of the carbon exchange of a subarctic peatland to an extreme winter event

Parmentier, Frans-Jan W.; Rasse, Daniel; Lund, Magnus; Bjerke, Jarle W.; Drake, Bert G.; Weldon, Simon Mark; Tømmervik, Hans; Hansen, Georg Heinrich

2018

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

2018

Coordinating and integrating UV observations in Svalbard.

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

2017

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.

2017

Trends and annual cycles in soundings of Arctic tropospheric ozone.

Christiansen, B.; Jepsen, N.; Kivi, R.; Hansen, G.; Larsen, N.; Korsholm, U. S.

2017

UV observations on Svalbard.

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

2017

Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual report 2016.

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

2017

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.

2016

Total ozone and UV measurements at the Norwegian Troll Station, Antarctica.

Hansen, G.; Svendby, T.; Dahlback, A.; Edvardsen, K.

2016

Klima- og miljøforskning på luftovervåkingsobservatoriet på 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.

2016

Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2015 – Annual report.

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

2016

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.

2016

Effects of climate variability on vegetation and carbon uptake in a North-Norwegian coastal wetland.

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

2015

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.

2015

Time series analysis of Arctic tropospheric ozone as short-lived climate force.

Christiansen, B.; Jepsen, N.; Kivi, R.; Hansen, G.H.; Larsen, N.; Korsholm, U.S.

2015

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.

2015

Low impact of dry conditions on the CO2 exchange of a Northern-Norwegian blanket bog.

Lund, M.; Bjerke, J.W.; Drake, B.G.; Engelsen, O.; Hansen, G.H.; Parmentier, F.J.W.; Powell, T.L.; Silvennoinen, H.; Sottocornola, M.; Tømmervik, H.; Weldon, S.; Rasse, D.P.

2015

Typifying air masses and sources at Birkenes in southern Norway by combining ACTRIS observables and model tools.

Fiebig, M.; Aas, W.; Solberg, S.; Schmidbauer, N.; Fjæraa, A.M.; Yttri, K.E.; Hamburger, T.; Lunder, C.R.; Myhre, C.L.; Wisthaler, A.; Tørseth, Hansen, G.

2014

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.

2014

Land atmosphere exchange of carbon dioxide in a north Norwegian blanket bog.

Lund, M.; Bjerke, J.W.; Drake, B.G.; Engelsen, O.; Hansen, G.H.; Parmentier, F.J.W.; Powell, T.; Silvennoinen, H.; Tømmervik, H.; Weldon, S.; Rasse, D.

2013

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.

2013

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.

2011

On the usability of the ERA-40 reanalysis in the estimation of past surface UV radiation over Europe.

Kaurola, J.; Lindfors, A.; Lakkala, K.; Hansen, G.; Josefsson, W.; Vuilleumier, L.; Feister, U.; Slaper, H.

2010

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.

2010

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.

2010

Emissions from incineration of fluoropolymer materials. A literature survey.

Huber, S.; Moe, M.K.; Schmidbauer, N.; Hansen, G.H.; Herzke, D.

2009

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.

2009

EARLINET coordinated lidar observations of Saharan dust events on continental scale.

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

2009

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.

2009

Atmospheric monitoring at the Norwegian Antarctic station Troll: Measurement programme and first results.

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

2009

Study of the inter-annual ozone variation at European high latitudes.

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

2008

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.

2008

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.

2008

Total ozone observations during the past 80 years.

Brönnimann, S.; Vogler, C.; Staehelin, J.; Stolarski, R.; Hansen, G.

2008

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.

2007

Observasjoner av atmosfæriske parametere ved Troll-stasjonen i Antarktis – forskning og overvåkning basert på lange tidsserier. Fase 1 (2005/06) – NFR/NARE prosjekt 168908/S30.

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.

2007

A trajectory-based estimate of the tropospheric ozone column using the residual method.

Schoeberl, M.R.; Ziemke, J.R.; Bojkov, B.; Livesey, N.; Duncan, B.; Strahan, S.; Froidevaux, L.; Kulawik, S.; Bhartia, P.K.; Chandra, S.; Levelt, P.F.; Witte, J.C.; Thompson, A.M.; Cuevas, E.; Redondas, A.; Tarasick, D.W.; Davies, J.; Bodeker, G.; Hansen, G. et al.

2007

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.

2007

Aerosols in polar regions: A historical overview based on optical depth and in situ observations.

Tomasi, C.; Vitale, V.; Lupi, A.; Di Carmine, C.; Campanelli, M.; Herber, A.; Treffeisen, R.; Stone, R.S.; Andrews, E.; Sharma, S.; Radionov, V.; von Hoyningen-Huene, W.; Stebel, K.; Hansen, G.H.; Myhre, C.L.; Wehrli, C.; Aaltonen, V.; Lihavainen, H.; Virkkula, A.; Hillamo, R.; Ström, J.; Toledano, C.; Cachorro, V.E.; Ortiz, P.; de Frutos, A.M.; Blindheim, S.; Frioud, M.; Gausa, M.; Zielinski, T.; Petelski, T.; Yamanouchi, T.

2007

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.

2007

Gome ozone profiles retrieved by neural network techniques: A global validation with lidar measurements.

Iapaolo, M.,Godin-Beekmann, S. Del Frate, F.; Casadio, S.; Petitdidier, M.; McDermid, I.S.; Leblanc, T.; Swart, D.; Meijer, Y. Hansen, G.; Stebel, K.

2007

Aerosol optical properties obtained from tropospheric lidar and sun photometer measurements in 2005 and 2006 at ALOMAR (69°N, 16°E).

Stebel, K.; Friod, M.; Myhre, C.L.; Toledano, C.; Hansen, G.; Gausa, M.; Mogo, S.; Rodriguez, E.; de Frutos, A.; Cachorro, V.; Kristjansson, J.E.

2007

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.

2007

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.

2006

Observation and characterization of aerosols above ALOMAR (69°N) by tropospheric Lidar, sun-photometer and VHF Radar.

Frioud, M.; Gausa, M.; Stebel, K.; Hansen, G.; Myhre, C.; Singer, W., Latteck, Angel de Frutos, R.; Cachorro, V.; Toledano, C.,, Rodriguez, E.

2006

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.

2006

Validation of the GOMOS high-resolution temperature product (HRTP) using lidar.

Stebel, K.; Hansen, G.; Meijer, Y.; Swart, D.P.J.; Claude, H.; Steinbrecht, W.; Neuber, R.; Pal, S.; Nakane, H.; Keckhut, P.; Bencherif, H.; McDermid, I.S.; Leblanc, T.; Strawbridge, K.

2006

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.

2006

Validation of the GOMOS high-resolution temperature product (HRTP) using lidar. Poster presentation.

Stebel, K.; Hansen, G.; Blum, U.; Fricke, K.H.; Claude, H.; Steinbrecht, W.; Neuber, R.; Pal, S.; Nakane, H.; Keckhut, P.; Bencherif, H.; McDermid, I.S.; Meijer, Y.; Swart, D.P.J.; Leblanc, T.

2006

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.

2006

Evaluation of Global Ozone Monitoring Experiment (GOME) ozone profiles from nine different algorithms.

Meijer, Y.J.; Swart, D.P.J.; Baier, F.; Bhartia, P.K.; Bodeker, G.E.; Casadio, S.; Chance, K.; Del Frate, F.; Erbertseder, T.; Felder, M.D.; Flynn, L.E.; Godin-Beekmann, S.; Hansen, G.; Hasekamp, G.; Kaifer, A.; Kelder, H.M.; Kerridge, B.J.; Lambert, J.-C.; Landgraf, J.; Latter, B.; Liu, X.; McDermid, I.S.; Pachepsky, Y.; Rozanov, V.; Siddans, R.; Tellmann, S.; van der A, R.J.; van Oss, R.F.; Weber, M.; Zehner, C.

2006

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.

2006

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.

2006

Aerosol properties in the European Arctic region.

Myhre, C.L.; Stebel, K.; Toledano, C.; Schaug, J.; de Frutos, A.M.; Cachorro, V.E.; Hansen, G.

2006

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.

2006

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.

2005

Lidar observations of polar stratospheric clouds above ESRANGE and ALOMAR in Northern Scandinavia: Statistics and simultaneous observations.

Blum, U.; Fricke, K.H.; Baumgarten G.; Eckart, L.; Stebel, K.; Hansen, G.; Gausa, M.; Hoppe, U.-P.

2005

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.

2005

Establishment of Decadal-scale UV climatologies for high-latitude ecosystems studies. Powerpoint presentation.

Hansen, G.; Engelsen, O.; Edvardsen, K.; Verdebout, J.; Meerkoetter, R.; Bugliaro, L.; Borja, A.

2004

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.

2004

Establishment of Decadal-scale UV climatologies for high-latitude ecosystems studies.

Hansen, G.; Engelsen, O.; Edvardsen, K.; Verdebout, J.; Meerkoetter, R.; Bugliaro, L.; Borja, A.

2004

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

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

2004

Summertime low-ozone episodes over northern high latitudes and their impact on

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

2004

Review of ozone and temperature lidar validations performed within the framework of the Network for the Detection of Stratospheric Change.

Keckhut, P.; McDermid, S.; Swart, D.; McGee, T.; Godin-Beekmann, S.; Adriani, A.; Barnes, J.; Baray, J.-L.; Bencherif, H.; Claude, H.; di Sarra, A.G.; Fiocco, G.; Hansen, G.; Hauchecorne, A.; Leblanc, T.; Lee, C.H.; Pal, S.; Megie, G.; Nakane, H.; Neuber, R.; Steinbrecht, W.; Thayer, J.

2004

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.

2004

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.

2004

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.

2004

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

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

2003

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.

2003

Ozone soundings at the Nadir datacentre.

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

2003

Ozon og partikler er viktige for klimaet.

Isaksen, I.S.A.; Gauss, M.; Myhre, G.; Iversen, T.; Stebel, K.; Orsolini, Y.; Braathen, G.; Hansen, G.; Sundet, J.K.; Stordal, F.

2003

NILU instruments at ALOMAR: Status and scientific results 2003.

Hansen, G.; Edvardsen, K.; Stebel, K.; Tørnkvist, K.K.

2003

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

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

2003

The Nordkalotten Satellite Validation Network (NorSatVal). Poster presentation.

Hansen, G.; Engelsen, O.; Kyrö, E. Sukovaara, T.; Johansson, M.; Callaghan, T.; Bergholm, F.; Gausa, M.; Manninen, T.; Metsämäki, S.; Peltoniemi, J.; Pulliainen, J.; Smolander, H.; Stenberg, P.; Sørensen, K.; Tømmervik, H.

2003

Validation of GOME ozone profiles by means of the ALOMAR ozone lidar.

Hansen, G.; Bramstedt, K.; Rozanov, V.; Weber, M.; Burrows, J.P.

2003

Observations of early winter stratospheric conditions in 2002/03 above ALOMAR. Poster presentation.

Stebel, K.; Baumgarten, G.; Bekkelund, K.; Edvardsen, K.; Gausa, M.; Hansen, G.H.; Lyngra, R.; Schöch, A.

2003

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.

2003

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

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

2003

Overvåking av ozonlaget og naturlig ultrafiolett stråling. Årsrapport 2002.

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

2003

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.

2003

The preliminary validation of GOMOS, MIPAS and SCIAMACHY by groundbased instruments and soundings.

Koopman, R.M.; Blumenstock, T.; Burrows, J.P.; Ciotti, P.; Congeduti, F.; Cuomo, V.; De Mazière, M.; De Muer, D.; Fricke, K,H.; Hansen, G.; Keckhut, P.; Kelder, H.; Kyro, E.; Lambert, J.C.; Matthews, A.; Pal, S.R.; Petritoli, A.; Swart, D.; Timofeye v, Y.; Visconti, G.

2003

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.

2003

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.

2002

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.

2002

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.

2002

Overvåking av ozonlaget og naturlig ultrafiolett stråling. Årsrapport 2001.

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

2002

Overvåking av atmosfærens ozonlag og naturlig ultrafiolett stråling. Årsrapport 2000.

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

2001

Co-ordinated observations of ozone, PSCs and stratospheric trace gases at ALOMAR, Norway.

Hansen, G.H.; Arlander, W.; Edvardsen, K.; Tørnkvist, K.; Fiedler, J.; von Cossart, G.; Sarcissian, A.

2000

Match observations in the Arctic winter 1996/97: High stratospheric ozone loss rates correlate with low temperatures deep inside the polar vortex.

Schulz, A.; Rex, M.; Steger, J.; Harris, N.R.P.; Braathen, G.O.; Reimer, E.; Alfier, R.; Beck, A.; Alpers, M.; Cisneros, J.; Claude, H.; De Backer, H.; Dier, H.; Dorokhov, V.; Fast, H.; Godin, S.; Hansen, G.; Kanzawa, H.; Kois, B.; Kondo, Y.; Kosmidis, E.; Kyrö, E.; Litynska, Z.; Molyneux, M.J.; Murphy, G.; Nakane, H.; Parrondo, C.; Ravegnani, F.; Varotsos, C.; Vialle, C.; Viatte, P.; Yushkov, V.; Zerefos, C.,, von der Gathen, P.

2000

Overvåking av atmosfærens ozonlag og naturlig ultrafiolett stråling. Årsrapport 1999.

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

2000

A model study of ozone laminae at ALOMAR.

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

1999

Overvåking av ozonlaget og naturlig ultrafiolett stråling. Årsrapport 1998.

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

1999

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.

1999

Overvåking av ozonlaget. Årsrapport 1997.

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

1998

Overvåking av ozonlaget. Årsrapport 1996.

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

1997

Overvåking av ozonlaget. Årsrapport 1995.

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

1996

UV Intercomparison and Integration in a High Arctic Environment (UVAC)

The Arctic is a region which to high extent influences the atmospheric behaviour in the Northern hemisphere and for this reason attracts the attention of the scientific community. The Atmosphere […]

Prosjektperiode: 2000 – 2002

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