Browsing NILU Brage by Author "Skov, Henrik"

Now showing items 1-19 of 19

    • Arctic Tropospheric Ozone Trends 

      Law, Kathy S.; Hjorth, Jens Liengaard; Pernov, Jakob B.; Whaley, Cynthia; Skov, Henrik; Coen, Martine Collaud; Langner, Joakim; Arnold, Stephen R.; Tarasick, David; Christensen, Jesper; Deushi, Makoto; Effertz, Peter; Faluvegi, Greg; Gauss, Michael; Im, Ulas; Oshima, Naga; Petropavlovskikh, Irina; Plummer, David; Tsigaridis, Kostas; Tsyro, Svetlana; Solberg, Sverre (Peer reviewed; Journal article, 2023)
      Observed trends in tropospheric ozone, an important air pollutant and short-lived climate forcer (SLCF), are estimated using available surface and ozonesonde profile data for 1993–2019, using a coherent methodology, and ...

    • Arctic tropospheric ozone: assessment of current knowledge and model performance 

      Whaley, Cynthia; Law, Kathy S.; Hjorth, Jens Liengaard; Skov, Henrik; Arnold, Stephen R.; Langner, Joakim; Pernov, Jakob Boyd; Bergeron, Garance; Bourgeois, Ilann; Christensen, Jesper H.; Chien, Rong-You; Deushi, Makoto; Dong, Xinyi; Effertz, Peter; Faluvegi, Gregory; Flanner, Mark G.; Fu, Joshua S.; Gauss, Michael; Huey, Greg L.; Im, Ulas; Kivi, Rigel; Marelle, Louis; Onishi, Tatsuo; Oshima, Naga; Petropavlovskikh, Irina; Peischl, Jeff; Plummer, David A.; Pozzoli, Luca; Raut, Jean-Christophe; Ryerson, Tom; Skeie, Ragnhild Bieltvedt; Solberg, Sverre; Thomas, Manu Anna; Thompson, Chelsea R.; Tsigaridis, Kostas; Tsyro, Svetlana; Turnock, Steven T.; von Salzen, Knut; Tarasick, David (Peer reviewed; Journal article, 2023)
      As the third most important greenhouse gas (GHG) after carbon dioxide (CO2) and methane (CH4), tropospheric ozone (O3) is also an air pollutant causing damage to human health and ecosystems. This study brings together ...

    • Atmospheric Degradation of Amines (ADA). Summary report: Photo-oxidation of methylamine, dimethylamine and trimethylamine. CLIMIT project no. 201604. 

      Nielsen, Claus Jørgen; D'Anna, Barbara; Karl, Matthias; Aursnes, Marius; Boreave, Antoinette; Bossi, Rossana; Bunkan, Arne Joakim Coldevin; Glasius, Marianne; Hallquist, Mattias; Hansen, Anne-Maria Kaldal; Kristensen, Kasper; Mikoviny, Tomas; Maguta, Mihayo Musabila; Müller, Markus; Nguyen, Quynh; Westerlund, Jonathan; Salo, Kent; Skov, Henrik; Stenstrøm, Yngve; Wisthaler, Armin (NILU OR;02/2011, Research report, 2011)
      The atmospheric gas phase photo-oxidation of methylamine (CH3NH2), dimethylamine ((CH3)2NH) and trimethylamine ((CH3)3N) has been studied under pseudo natural conditions at the European Photochemical Reactor, EUPHORE, in ...

    • Chemical cycling and deposition of atmospheric mercury in polar regions: review of recent measurements and comparison with models. 

      Angot, Hélène; Dastoor, Ashu P.; De Simone, Francesco; Gårdfeldt, Katarina; Gencarelli, Christian N.; Hedgecock, Ian M.; Langer, Sarka; Magand, Olivier; Mastromonaco, Michelle N.; Nordstrøm, C.; Aspmo, Katrine; Pirrone, Nicola; Ryjkov, Andrei; Selin, Noelle Eckley; Skov, Henrik; Song, Shaoije; Sprovieri, Francesca; Steffen, Alexandra; Toyota, Kenjiro; Travnikov, Oleg; Yang, Xin; Dommergue, Aurélien (Journal article; Peer reviewed, 2016)

    • Comparison of particle number size distribution trends in ground measurements and climate models 

      Leinonen, Ville; Kokkola, Harri; Yli-Juuti, Taina; Mielonen, Tero; Kühn, Thomas; Nieminen, Tuomo; Heikkinen, Simo; Miinalainen, Tuuli; Bergman, Tommi; Carslaw, Ken; Decesari, Stefano; Fiebig, Markus; Hussein, Tareq; Kivekäs, Niku; Krejci, Radovan; Kulmala, Markku; Leskinen, Ari; Massling, Andreas; Mihalopoulos, Nikos; Mulcahy, Jane P.; Noe, Steffen M.; Van Noije, Twan; O'connor, Fiona M.; O'dowd, Colin; Oliviè, Dirk Jan Leo; Pernov, Jakob B.; Petäjä, Tuukka; Seland, Øyvind; Schulz, Michael; Scott, Catherine E.; Skov, Henrik; Swietlicki, Erik; Tuch, Thomas; Wiedensohler, Alfred; Virtanen, Annele; Mikkonen, Santtu (Peer reviewed; Journal article, 2022)
      Despite a large number of studies, out of all drivers of radiative forcing, the effect of aerosols has the largest uncertainty in global climate model radiative forcing estimates. There have been studies of aerosol optical ...

    • Contribution of ship traffic to aerosol particle concentrations downwind of a major shipping lane 

      Kivekäs, Niku; Massling, Andreas; Grythe, Henrik; Lange, Robert; Rusnak, Viktor; Carreno, Simon; Skov, Henrik; Swietlicki, Erik; Nguyen, Quynh T.; Glasius, Marianne; Kristensson, Adam (Journal article; Peer reviewed, 2014)

    • Current model capabilities for simulating black carbon and sulfate concentrations in the Arctic atmosphere: a multi-model evaluation using a comprehensive measurement data set 

      Eckhardt, Sabine; Quennehen, B.; Oliviè, Dirk Jan Leo; Berntsen, Terje Koren; Cherian, Regimon; Christensen, J.; Collins, W.; Crepinsek, S; Daskalakis, N; Flanner, M; Herber, Andreas; Heyes, C; Hodnebrog, Øivind; Huang, Lan; Kanakidou, M; Klimont, Z; Langner, J.; Law, Katharine S.; Lund, Marianne Tronstad; Mahmood, R; Massling, A; Myriokefalitakis, S; Nielsen, Izabela Ewa; Nøjgaard, J.K.; Quaas, Johannes; Quinn, Patricia K.; Raut, Jean-Christophe; Rumbold, Steven T.; Schulz, M.; Sharma, S; Skeie, Ragnhild Bieltvedt; Skov, Henrik; Uttal, T; von Salzen, Knut; Stohl, Andreas (Journal article; Peer reviewed, 2015)
      The concentrations of sulfate, black carbon (BC) and other aerosols in the Arctic are characterized by high values in late winter and spring (so-called Arctic Haze) and low values in summer. Models have long been struggling ...

    • Elucidating the present-day chemical composition, seasonality and source regions of climate-relevant aerosols across the Arctic land surface 

      Moschos, Vaios; Schmale, Julia; Aas, Wenche; Becagli, Silvia; Calzolai, Giulia; Eleftheriadis, Konstantinos; Moffett, Claire E.; Schnelle-Kreis, Jürgen; Severi, Mirko; Sharma, Sangeeta; Skov, Henrik; Vestenius, Mika; Zhang, Wendy; Hakola, Hannele; Hellén, Heidi; Huang, Lin; Jaffrezo, Jean-Luc; Massling, Andreas; Nøjgaard, Jacob Klenø; Petäjä, Tuukka; Popovicheva, Olga; Sheesley, Rebecca J.; Traversi, Rita; Yttri, Karl Espen; Prévôt, André S. H.; Baltensperger, Urs; El Haddad, Imad (Peer reviewed; Journal article, 2022)
      The Arctic is warming two to three times faster than the global average, and the role of aerosols is not well constrained. Aerosol number concentrations can be very low in remote environments, rendering local cloud radiative ...

    • Equal abundance of summertime natural and wintertime anthropogenic Arctic organic aerosols 

      Moschos, Vaios; Dzepina, Katja; Bhattu, Deepika; Lamkaddam, Houssni; Casotto, Roberto; Daellenbach, Kaspar R.; Canonaco, Francesco; Rai, Pragati; Aas, Wenche; Becagli, Silvia; Calzolai, Giulia; Eleftheriadis, Konstantinos; Moffett, Claire E.; Schnelle-Kreis, Jürgen; Seviri, Mirko; Sharma, Sangeeta; Skov, Henrik; Vestenius, Mika; Zhang, Wendy; Hakola, Hannele; Hellén, Heidi; Huang, Lin; Jaffrezo, Jean-Luc; Massling, Andreas; Nøjgaard, Jacob Klenø; Petäjä, Tuukka; Popovicheva, Olga; Sheesley, Rebecca J.; Traversi, Rita; Yttri, Karl Espen; Schmale, Julia; Prévôt, André S. H.; Baltensperger, Urs; El Haddad, Imad (Peer reviewed; Journal article, 2022)
      Aerosols play an important yet uncertain role in modulating the radiation balance of the sensitive Arctic atmosphere. Organic aerosol is one of the most abundant, yet least understood, fractions of the Arctic aerosol mass. ...

    • Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes 

      Boy, Michael; Thomson, Erik S.; Acosta Navarro, Juan-Camilo; Arnalds, Olafur; Batchvarova, Ekaterina; Bäck, Jaana; Berninger, Frank; Bilde, Merete; Brasseur, Zoe; Dagsson-Waldhauserova, Pavla; Castarede, Dimitri; Dalirian, Maryam; de Leeuw, Gerrit; Dragosics, Monika; Duplissy, Ella-Maria; Duplissy, Jonathan; Ekman, Annica; Fang, Keyan; Gallet, Jean-Charles; Glasius, Marianne; Gryning, Sven-Erik; Grythe, Henrik; Hansson, Hans-Christen; Hansson, Margareta; Isaksson, Elisabeth; Iversen, Trond; Jónsdóttir, Ingibjörg Svala; Kasurinen, Ville; Kirkevåg, Alf; Korhola, Atte; Krejci, Radovan; Kristjansson, Jon Egill; Lappalainen, Hanna K.; Lauri, Antti; Leppäranta, Matti; Lihavainen, Heikki; Makkonen, Risto; Massling, Andreas; Meinander, Outi; Nilsson, E. Douglas; Ólafsson, Haraldur; Pettersson, Jan B. C.; Prisle, Nønne L.; Riipinen, Ilona; Roldin, Pontus; Ruppel, Meri; Salter, Matthew E.; Sand, Maria; Seland, Øyvind; Seppä, Heikki; Skov, Henrik; Soares, Joana; Stohl, Andreas; Ström, Johan; Svensson, Jonas; Swietlicki, Erik; Tabakova, Ksenia; Thorsteinsson, Throstur; Virkkula, Aki; Weyhenmeyer, Gesa A.; Wu, Yusheng; Zieger, Paul; Kulmala, Markku (Journal article; Peer reviewed, 2019)
      The Nordic Centre of Excellence CRAICC (Cryosphere–Atmosphere Interactions in a Changing Arctic Climate), funded by NordForsk in the years 2011–2016, is the largest joint Nordic research and innovation initiative to date, ...

    • Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere 

      Araujo, Beatriz Ferreira; Osterwalder, Stefan; Szponar, Natalie; Lee, Domenica; Petrova, Mariia V.; Pernov, Jakob Boyd; Ahmed, Shaddy; Heimbürger-Boavida, Lars-Eric; Laffont, Laure; Teisserenc, Roman; Tananaev, Nikita; Nordstrom, Claus; Magand, Olivier; Stupple, Geoff; Skov, Henrik; Steffen, Alexandra; Bergquist, Bridget; Pfaffhuber, Katrine Aspmo; Thomas, Jennie L.; Scheper, Simon; Petäjä, Tuukka; Dommergue, Aurélien; Sonke, Jeroen E. (Peer reviewed; Journal article, 2022)
      During Arctic springtime, halogen radicals oxidize atmospheric elemental mercury (Hg0), which deposits to the cryosphere. This is followed by a summertime atmospheric Hg0 peak that is thought to result mostly from terrestrial ...

    • Model evaluation of short-lived climate forcers for the Arctic Monitoring and Assessment Programme: a multi-species, multi-model study 

      Whaley, Cynthia; Mahmood, Rashed; von Salzen, Knut; Winter, Barbara; Eckhardt, Sabine; Arnold, Stephen R.; Beagley, Stephen; Becagli, Silvia; Chien, Rong-You; Christensen, Jesper; Damani, Sujay Manish; Dong, Xinyi; Eleftheriadis, Konstantinos; Evangeliou, Nikolaos; Faluvegi, Gregory; Flanner, Mark G.; Fu, Joshua S.; Gauss, Michael; Giardi, Fabio; Gong, Wanmin; Hjorth, Jens Liengaard; Huang, Lin; Im, Ulas; Kanaya, Yugo; Srinath, Krishnan; Klimont, Zbigniew; Kuhn, Thomas; Langner, Joakim; Law, Kathy S.; Marelle, Louis; Massling, Andreas; Oliviè, Dirk Jan Leo; Onishi, Tatsuo; Oshima, Naga; Peng, Yiran; Plummer, David A.; Pozzoli, Luca; Popovicheva, Olga; Raut, Jean-Christophe; Sand, Maria; Saunders, Laura; Schmale, Julia; Sharma, Sangeeta; Skeie, Ragnhild Bieltvedt; Skov, Henrik; Taketani, Fumikazu; Thomas, Manu Anna; Traversi, Rita; Tsigaridis, Kostas; Tsyro, Svetlana; Turnock, Steven T; Vitale, Vito; Walker, Kaley A.; Wang, Minqi; Watson-Parris, Duncan; Weiss-Gibbons, Tahya (Peer reviewed; Journal article, 2022)
      While carbon dioxide is the main cause for global warming, modeling short-lived climate forcers (SLCFs) such as methane, ozone, and particles in the Arctic allows us to simulate near-term climate and health impacts for a ...

    • Modelling the coupled mercury-halogen-ozone cycle in the central Arctic during spring 

      Ahmed, Shaddy; Thomas, Jennie L.; Angot, Hélène; Dommergue, Aurélien; Archer, Stephen D.; Bariteau, Ludovic; Beck, Ivo; Benavent, Nuria; Blechschmidt, Anne-Marlene; Blomquist, Byron; Boyer, Matthew; Christensen, Jesper H.; Dahlke, Sandro; Dastoor, Ashu; Helmig, Detlev; Howard, Dean; Jacobi, Hans-Werner; Jokinen, Tuija; Lapere, Rémy; Laurila, Tiia; Quéléver, Lauriane L.J.; Richter, Andreas; Ryjkov, Andrei; Mahajan, Anoop S.; Marelle, Louis; Pfaffhuber, Katrine Aspmo; Posman, Kevin; Rinke, Annette; Saiz-Lopez, Alfonso; Schmale, Julia; Skov, Henrik; Steffen, Alexandra; Stupple, Geoff; Stutz, Jochen; Travnikov, Oleg; Zilker, Bianca (Peer reviewed; Journal article, 2023)
      Near-surface mercury and ozone depletion events occur in the lowest part of the atmosphere during Arctic spring. Mercury depletion is the first step in a process that transforms long-lived elemental mercury to more reactive ...

    • Odds and ends of atmospheric mercury in Europe and over the North Atlantic Ocean: temporal trends of 25 years of measurements 

      Custódio, Danilo; Pfaffhuber, Katrine Aspmo; Spain, T. Gerard; Pankratov, Fidel F.; Strigunova, Iana; Molepo, Koketso; Skov, Henrik; Bieser, Johannes; Ebinghaus, Ralf (Peer reviewed; Journal article, 2022)
      The global monitoring plan of the Minamata Convention on Mercury was established to generate long-term data necessary for evaluating the effectiveness of regulatory measures at a global scale. After 25 years of monitoring ...

    • Substantial contribution of northern high-latitude sources to mineral dust in the Arctic. 

      Zwaaftink, Christine Groot; Grythe, Henrik; Skov, Henrik; Stohl, Andreas (Journal article; Peer reviewed, 2016)

    • Temporal trends of Persistent Organic Pollutants (POPs) in arctic air: 20 years of monitoring under the Arctic Monitoring and Assessment Programme (AMAP) 

      Hung, Hayley; Katsoyiannis, Athanasios A.; Brorström-Lunden, Eva; Olafsdottir, Kristin; Aas, Wenche; Breivik, Knut; Bohlin-Nizzetto, Pernilla; Sigurdsson, Arni; Hakola, Hannele; Bossi, Rossana; Skov, Henrik; Sverko, Ed; Barresi, Enzo; Fellin, Phil; Wilson, Simon (Journal article; Peer reviewed, 2016)
      Temporal trends of Persistent Organic Pollutants (POPs) measured in Arctic air are essential in understanding long-range transport to remote regions and to evaluate the effectiveness of national and international chemical ...

    • Time trends of persistent organic pollutants (POPs) and Chemicals of Emerging Arctic Concern (CEAC) in Arctic air from 25 years of monitoring 

      Wong, Fiona; Hung, Hayley; Dryfhout-Clark, Helena; Aas, Wenche; Bohlin-Nizzetto, Pernilla; Breivik, Knut; Mastromonaco, Michelle N.; Brorström-Lundén, Eva; Ólafsdóttir, Kristín; Sigurdsson, Arni; Vorkamp, Katrin; Bossi, Rossana; Skov, Henrik; Hakola, Hannele; Barresi, Enzo; Sverko, Ed; Fellin, Phil; Li, Henrik; Vlasenko, Alexander; Zapevalov, Mikhail; Samsonov, Dmitry; Wilson, Simon (Peer reviewed; Journal article, 2021)
      The long-term time trends of atmospheric pollutants at eight Arctic monitoring stations are reported. The work was conducted under the Arctic Monitoring and Assessment Programme (AMAP) of the Arctic Council. The monitoring ...

    • Updated trends for atmospheric mercury in the Arctic: 1995–2018 

      MacSween, Katrina; Stupple, Geoff; Aas, Wenche; Kyllönen, Katriina; Pfaffhuber, Katrine Aspmo; Skov, Henrik; Steffen, Alexandra; Berg, Torunn; Mastromonaco, Michelle N. (Peer reviewed; Journal article, 2022)
      The Arctic region forms a unique environment with specific physical, chemical, and biological processes affecting mercury (Hg) cycles and limited anthropogenic Hg sources. However, historic global emissions and long range ...

    • Wildfires in northern Eurasia affect the budget of black carbon in the Arctic-a 12-year retrospective synopsis (2002-2013) 

      Evangeliou, Nikolaos; Balkanski, Yves; Hao, Wei Min; Petkov, Alexander; Silverstein, Robin P.; Corley, Rachel; Nordgren, Bryce L.; Urbanski, Shawn P.; Eckhardt, Sabine; Stohl, Andreas; Tunved, Peter; Crepinsek, Sara M.; Jefferson, Anne; Sharma, Sangeeta Naithani; Nøjgaard, Jacob Klenø; Skov, Henrik (Journal article; Peer reviewed, 2016)