Blar i NILU Brage på forfatter "Jepsen, Nis"
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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 Heinrich; 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 (Peer reviewed; Journal article, 2021)This paper reports on consolidated ground-based validation results of the atmospheric NO2 data produced operationally since April 2018 by the TROPOspheric Monitoring Instrument (TROPOMI) on board of the ESA/EU Copernicus ... -
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 Heinrich; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley; Kuzmichev, Alexandr; Khattatov, Slava; Sitnikova, Vera (Journal article; Peer reviewed, 2018)After the well-reported record loss of Arctic stratospheric ozone of up to 38% in the winter 2010–2011, further large depletion of 27% occurred in the winter 2015–2016. Record low winter polar vortex temperatures, below ... -
Trends and annual cycles in soundings of Arctic tropospheric ozone
Christiansen, Bo; Jepsen, Nis; Kivi, Rigel; Hansen, Georg Heinrich; Larsen, Niels; Smith Korsholm, Ulrik (Journal article; Peer reviewed, 2017) -
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. (Peer reviewed; Journal article, 2023)Ozone depletion over the polar regions is monitored each year by satellite- and ground-based instruments. In this study, the vortex-averaged ozone loss over the last 3 decades is evaluated for both polar regions using the ... -
UV index monitoring in Europe
Schmalwieser, Alois W.; Gröbner, Julian; Blumthaler, Mario; Klotz, Barbara; De Backer, Hugo; Bolsee, David; Werner, Rolf; Tomsic, Davor; Metelka, Ladislav; Eriksen, Paul; Jepsen, Nis; Aun, Margit; Heikkilä, Anu; Duprat, Thierry; Sandmann, Henner; Weiss, Tilman; Bais, Alkis; Toth, Zoltan; Siani, Anna-Maria; Vaccaro, Luisa; Diémoz, Henri; Grifoni, Daniele; Zipoli, Gaetano; Lorenzetto, Giuseppe; Petkov, Boyan H.; Di Sarra, Alcide Giorgio; Massen, Francis; Yousif, Charles; Aculinin, Alexandr A.; Den Outer, Peter; Svendby, Tove Marit; Dahlback, Arne; Johnsen, Bjørn; Biszczuk-Jakubowska, Julita; Krzyscin, Janusz; Henriques, Diamantino; Chubarova, Natalia; Kolarž, Predrag; Mijatovic, Zoran; Groselj, Drago; Pribullova, Anna; Gonzales, Juan Ramon Moreta; Bilbao, Julia; Guerrero, José Manuel Vilaplana; Serrano, Antonio; Andersson, Sandra; Vuilleumier, Laurent; Webb, Ann; O'Hagan, John (Journal article; Peer reviewed, 2017)