Browsing Vitenskapelige publikasjoner by Author "Aas, Wenche"

Now showing items 21-40 of 45

    • Geochemistry of PM10 over Europe during the EMEP intensivemeasurement periods in summer 2012 and winter 2013. 

      Alastuey, Andrés; Querol, Xavier; Aas, Wenche; Lucarelli, Franco; Pérez, Noemi; Moreno, Teresa; Cavalli, Fabrizia; Areskoug, Hans; Balan, Violeta; Catrambone, Maria; Ceburnis, Darius; Cerro, José C.; Conil, Sébastien; Gevorgyan, Lusine; Hueglin, Christoph; Imre, Kornelia; Jaffrezo, Jean-Luc; Leeson, Sarah R.; Mihalopoulos, Nikolaos; Mitosinkova, Marta; O’Dowd, Colin; Pey, Jorge; Putaud, Jean-Philippe; Riffault, Véronique; Ripoll, Anna; Sciare, Jean; Sellegri, Karine; Spindler, Gerald; Yttri, Karl Espen (Journal article; Peer reviewed, 2016)

    • A global analysis of climate-relevant aerosol properties retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories 

      Laj, Paolo; Bigi, Alessandro; Rose, Clemence; Andrews, Elisabeth; Myhre, Cathrine Lund; Coen, Martine Collaud; Lin, Yong; Wiedensohler, Alfred; Schulz, Michael; Ogren, John A.; Fiebig, Markus; Gliss, Jonas; Mortier, Augustin; Pandolfi, Marco; Petäjä, Tuukka; Kim, Sang-Woo; Aas, Wenche; Putaud, Jean-Philippe; Mayol-Bracero, Olga; Keywood, Melita; Labrador, Lorenzo; Aalto, Pasi; Ahlberg, Erik; Arboledas, Lucas Alados; Alastuey, Andrés; Andrade, Marcos; Artiñano, Begoña; Ausmeel, Stina; Arsov, Todor; Asmi, Eija; Backman, John; Baltensperger, Urs; Bastian, Susanne; Bath, Olaf; Beukes, Johan Paul; Brem, Benjamin T.; Bukowiecki, Nicolas; Conil, Sébastien; Couret, Cedric; Day, Derek; Dayantolis, Wan; Degorska, Anna; Eleftheriadis, Konstantinos; Fetfatzis, Prodromos; Favez, Olivier; Flentje, Harald; Gini, Maria I.; Gregorič, Asta; Gysel-Beer, Martin; Hallar, A. Gannet; Hand, Jenny; Hoffer, András; Hueglin, Christoph; Hooda, Rakesh K.; Hyvärinen, Antti; Kalapov, Ivo; Kalivitis, Nikos; Kasper-Giebl, Anne; Kim, Jeong Eun; Kouvarakis, Giorgos; Kranjc, Irena; Krejci, Radovan; Kulmala, Markku; Labuschagne, Casper; Lee, Hae-Jung; Lihavainen, Heikki; Lin, Neng-Huei; Löschau, Gunter; Luoma, Krista; Marinoni, Angela; Dos Santos, Sebastiao Martins; Meinhardt, Frank; Merkel, Maik; Metzger, Jean-Marc; Mihalopoulos, Nikolaos; Nguyen, Nhat Anh; Ondráček, Jakub; Pérez, Noemi; Perrone, Maria Rita; Petit, Jean-Eudes; Picard, David; Pichon, Jean-Marc; Pont, Veronique; Prats, Natalia; Prenni, Anthony; Reisen, Fabienne; Romano, Salvatore; Sellegri, Karine; Sharma, Sangeeta; Schauer, Gerhard; Sheridan, Patrick; Sherman, James Patrick; Schütze, Maik; Schwerin, Andreas; Sohmer, Ralf; Sorribas, Mar; Steinbacher, Martin; Sun, Junying; Titos, Gloria; Toczko, Barbara; Tuch, Thomas; Tulet, Pierre; Tunved, Peter; Vakkari, Ville; Velarde, Fernando; Velasquez, Patricio; Villani, Paolo; Vratolis, Sterios; Wang, Sheng-Hsiang; Weinhold, Kay; Weller, Rolf; Yela, Margarita; Yus-Diez, Jesus; Ždímal, Vladimir; Zieger, Paul; Ziková, Naděžda (Peer reviewed; Journal article, 2020)
      Aerosol particles are essential constituents of the Earth's atmosphere, impacting the earth radiation balance directly by scattering and absorbing solar radiation, and indirectly by acting as cloud condensation nuclei. In ...

    • Global and regional trends of atmospheric sulfur 

      Aas, Wenche; Mortier, Augustin; Bowersox, Van C.; Cherian, Ribu; Faluvegi, Greg; Fagerli, Hilde; Hand, Jenny; Klimont, Zbigniew; Galy-Lacaux, Corinne; Lehmann, Christopher M. B.; Myhre, Cathrine Lund; Myhre, Gunnar; Oliviè, Dirk Jan Leo; Sato, Keiichi; Quaas, Johannes; Rao, P.S.P.; Schulz, Michael; Shindell, Drew; Skeie, Ragnhild Bieltvedt; Stein, Ariel; Takemura, Toshihiko; Tsyro, Svetlana; Vet, Robert; Xu, Xiaobin (Journal article; Peer reviewed, 2019)
      The profound changes in global SO2 emissions over the last decades have affected atmospheric composition on a regional and global scale with large impact on air quality, atmospheric deposition and the radiative forcing of ...

    • Good Agreement Between Modeled and Measured Sulfur and Nitrogen Deposition in Europe, in Spite of Marked Differences in Some Sites 

      Marchetto, Aldo; Simpson, David; Aas, Wenche; Fagerli, Hilde; Hansen, Karin; Pihl-Karlsson, Gunilla; Karlsson, Per Erik; Rogora, Michela; Sanders, Tanja G.M.; Schmitz, Andreas; Seidling, Walter; Thimonier, Anne; Tsyro, Svetlana; de Vries, Wim; Waldner, Peter (Peer reviewed; Journal article, 2021)
      Atmospheric nitrogen and sulfur deposition is an important effect of atmospheric pollution and may affect forest ecosystems positively, for example enhancing tree growth, or negatively, for example causing acidification, ...

    • Impact of 2020 COVID-19 lockdowns on particulate air pollution across Europe 

      Putaud, Jean-Philippe; Pisoni, Enrico; Mangold, Alexander; Hueglin, Christoph; Sciare, Jean; Pikridas, Michael; Savvides, Chrysantos; Ondráček, Jakub; Mbengue, Saliou; Wiedensohler, Alfred; Weinhold, Kay; Merkel, Maik; Poulain, Laurent; van Pinxteren, Dominik; Herrmann, Hartmut; Massling, Andreas; Nordstroem, Claus; Alastuey, Andres; Reche, Cristina; Perez, Noemi; Castillo, Sonia; Sorribas, Mar; Adame, Jose A.; Petäjä, Tuukka; Lehtipalo, Katrianne; Niemi, Jarkko; Riffault, Véronique; De Brito, Joel F.; Colette, Augustin; Favez, Olivier; Petit, Jean-Eudes; Gros, Valérie; Gini, Maria; Vratolis, Stergios; Eleftheriadis, Konstantinos; Diapouli, Evangelia; van der Gon, Hugo Denier; Yttri, Karl Espen; Aas, Wenche (Peer reviewed; Journal article, 2023)
      To fight against the first wave of coronavirus disease 2019 (COVID-19) in 2020, lockdown measures were implemented in most European countries. These lockdowns had well-documented effects on human mobility. We assessed the ...

    • Improving Estimates of Sulfur, Nitrogen, and Ozone Total Deposition through Multi-Model and Measurement-Model Fusion Approaches 

      Fu, Joshua S.; Carmichael, Gregory R.; Dentener, Frank; Aas, Wenche; Vestøl, Anna Camilla Andersson; Barrie, Leonard A.; Cole, AS; Galy-Lacaux, Corinne; Geddes, Jeffrey; Itahashi, Syuichi; Kanakidou, Maria; Labrador, Lorenzo; Paulot, Fabien; Schwede, Donna; Tan, Jiani; Vet, Robert (Peer reviewed; Journal article, 2022)
      Earth system and environmental impact studies need high quality and up-to-date estimates of atmospheric deposition. This study demonstrates the methodological benefits of multimodel ensemble and measurement-model fusion ...

    • Introduction to the European Monitoring and Evaluation Programme (EMEP) and observed atmospheric composition change during 1972-2009 

      Tørseth, Kjetil; Aas, Wenche; Breivik, Knut; Fjæraa, Ann Mari; Fiebig, Markus; Hjellbrekke, Anne-Gunn; Myhre, Cathrine Lund; Solberg, Sverre; Yttri, Karl Espen (Journal article; Peer reviewed, 2012)
      European scale harmonized monitoring of atmospheric composition was initiated in the early 1970s, and the activity has generated a comprehensive dataset (available at http://www.emep.int) which allows the evaluation of ...

    • Lessons learnt from the first EMEP intensive measurement periods 

      Aas, Wenche; Tsyro, Svetlana; Bieber, Elke; Bergström, Robert; Ceburnis, Darius; Ellermann, Thomas; Fagerli, Hilde; Frölich, Marina; Gehrig, Robert; Makkonen, Ulla; Nemitz, Eiko; Otjes, Rene; Pérez, Noemi; Perrino, C.; Prévôt, André S. H.; Putaud, Jean-Philippe; Simpson, David; Spindler, Gerald; Vána, Milan; Yttri, Karl Espen (Journal article; Peer reviewed, 2012)

    • Modeled deposition of nitrogen and sulfur in Europe estimated by 14 air quality model systems: evaluation, effects of changes in emissions and implications for habitat protection 

      Vivanco, Marta García; Theobald, Mark R.; García-Gómez, Héctor; Garrido, Juan Luis; Prank, Marje; Aas, Wenche; Adani, Mario; Aluyz, Ummugulsum; Andersson, Camilla; Bellasio, Roberto; Bessagnet, Bertrand; Bianconi, Fabio; Bieser, Johannes; Brandt, Jørgen; Briganti, Gino; Cappelletti, Andrea; Curci, Gabriele; Christensen, Jesper H.; Colette, Augustin; Couvidat, Florian; Cuvelier, Cornelis; D'Isidoro, Massimo; Flemming, Johannes; Fraser, Andrea; Geels, Camilla; Hansen, Kaj M.; Hogrefe, Christian; Im, Ulas; Jorba, Oriol; Kitwiroon, Nutthida; Manders, Astrid; Mircea, Mihaela; Otero, Noelia; Pay, Maria-Teresa; Pozzoli, Luca; Solazzo, Efisio; Tsyro, Svetlana; Unal, Alper; Wind, Peter; Galmarini, Stefano (Journal article; Peer reviewed, 2018)
      The evaluation and intercomparison of air quality models is key to reducing model errors and uncertainty. The projects AQMEII3 and EURODELTA-Trends, in the framework of the Task Force on Hemispheric Transport of Air ...

    • Modelling of sea salt concentrations over Europe: key uncertainties and comparison with observations 

      Tsyro, S; Aas, Wenche; Soares, Joana; Sofiev, M; Berge, H; Spindler, G (Peer reviewed; Journal article, 2011)
      Sea salt aerosol can significantly affect the air quality. Sea salt can cause enhanced concentrations of particulate matter and change particle chemical composition, in particular in coastal areas, and therefore should be ...

    • Multi-model simulations of aerosol and ozone radiative forcing due to anthropogenic emission changes during the period 1990-2015 

      Myhre, Gunnar; Aas, Wenche; Cherian, Ribu; Collins, W; Faluvegi, Greg; Flanner, M.; Forster, Piers; Hodnebrog, Øivind; Klimont, Zbigniew; Lund, Marianne Tronstad; Mulmenstädt, Johannes; Myhre, Cathrine Lund; Oliviè, Dirk Jan Leo; Prather, Michael J.; Quaas, Johannes; Samset, Bjørn Hallvard; Schnell, Jordan; Schulz, Michael; Shindell, Drew; Skeie, Ragnhild Bieltvedt; Takemura, Toshihiko; Tsyro, Svetlana G. (Journal article; Peer reviewed, 2017)
      Over the past few decades, the geographical distribution of emissions of substances that alter the atmospheric energy balance has changed due to economic growth and air pollution regulations. Here, we show the resulting ...

    • Nitrate dry deposition in Svalbard 

      Björkman, Mats Peter; Kühnel, Rafael; Partridge, Daniel G.; Roberts, Tjarda; Aas, Wenche; Mazzola, Mauro; Viola, Angelo; Hodson, Andy; Ström, Johan; Isaksson, Elisabeth (Journal article; Peer reviewed, 2013)
      Arctic regions are generally nutrient limited, receiving an extensive part of their bio-available nitrogen from the deposition of atmospheric reactive nitrogen. Reactive nitrogen oxides, as nitric acid (HNO3) and nitrate ...

    • Presentation of the EURODELTA III intercomparison exercise-evaluation of the chemistry transport models' performance on criteria pollutants and joint analysis with meteorology 

      Manders, Astrid; Meleux, Frédérik; Rouïl, Laurence; Carnevale, Claudio; Aksoyoglu, Sebnem; Baldasano, José María; Couvidat, Florian; Finardi, Sandro; Prévôt, André S.H.; Fagerli, Hilde; Calori, Giuseppe; D'Isidoro, Massimo; García Vivanco, Marta; Gonzalez, Lucia; Tsyro, Svetlana G.; Ung, Anthony; Bieser, Johannes; Cuvelier, Cornelius; Ciarelli, Giancarlo; Bessagnet, Bertrand; Aulinger, Armin; Colette, Augustin; Silibello, Camillo; Aas, Wenche; Roberts, Pete; Stern, Rainer; Cappelletti, Andrea; Pirovano, Guido; Dupont, Jean-Charles; Mircea, Mihaela; Briganti, Gino; Pay, Maria-Teresa; Menut, Laurent; Thunis, Philippe; White, Les; Kranenburg, Richard (Journal article; Peer reviewed, 2016)

    • Robust evidence for reversal of the trend in aerosol effective climate forcing 

      Quaas, Johannes; Jia, Hailing; Smith, Chris; Albright, Anna Lea; Aas, Wenche; Bellouin, Nicolas; Boucher, Olivier; Doutriaux-Boucher, Marie; Forster, Piers M.; Grosvenor, Daniel; Jenkins, Stuart; Klimont, Zbigniew; Loeb, Norman G.; Ma, Xiaoyan; Naik, Vaishali; Paulot, Fabien; Stier, Philip; Wild, Martin; Myhre, Gunnar; Schulz, Michael (Peer reviewed; Journal article, 2022)
      Anthropogenic aerosols exert a cooling influence that offsets part of the greenhouse gas warming. Due to their short tropospheric lifetime of only several days, the aerosol forcing responds quickly to emissions. Here, we ...

    • Seasonal Variation of Wet Deposition of Black Carbon at Ny-Ålesund, Svalbard 

      Mori, Tatsuhiro; Kondo, Yutaka; Ohata, Sho; Goto-Azuma, Kumiko; Fukuda, Kaori; Ogawa-Tsukagawa, Yoshimi; Moteki, Nobuhiro; Yoshida, Atsushi; Koike, Makoto; Sinha, P. R.; Oshima, Naga; Matsui, Hitoshi; Tobo, Yutaka; Yabuki, Masanori; Aas, Wenche (Peer reviewed; Journal article, 2021)
      Black carbon (BC) aerosol deposited in and onto Arctic snow increases the snow's absorption of solar radiation and accelerates snowmelt. Concentrations of BC in the Arctic atmosphere and snow are controlled by wet deposition; ...

    • 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 ...

    • The EMEP Intensive Measurement Period campaign, 2008–2009: characterizing carbonaceous aerosol at nine rural sites in Europe 

      Yttri, Karl Espen; Simpson, David; Bergström, Robert; Kiss, Gyula; Szidat, Sönke; Ceburnis, Darius; Eckhardt, Sabine; Hueglin, Christoph; Nøjgaard, Jacob Klenø; Perrino, Cinzia; Pisso, Ignacio; Prévôt, André Stephan Henry; Putaud, Jean-Philippe; Spindler, Gerald; Vána, Milan; Zhang, Yan-Lin; Aas, Wenche (Journal article; Peer reviewed, 2019)
      Carbonaceous aerosol (total carbon, TCp) was source apportioned at nine European rural background sites, as part of the European Measurement and Evaluation Programme (EMEP) Intensive Measurement Periods in fall 2008 and ...

    • 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 ...

    • Towards a transnational system of supersites for forest monitoring and research in Europe - an overview on present state and future recommendations 

      Fischer, Richard; Aas, Wenche; De Vries, W.; Clarke, Nicholas; Cudlin, Pavel; Leaver, David; Lundin, Lars; Matteucci, Giorgio; Matyssek, Rainer; Mikkelsen, Teis Nørgaard; Mirtl, Michael; Öztürk, Yasemin; Papale, Dario; Potocic, Nenad; Simpson, David; Tuovinen, Juha Pekka; Vesala, Timo; Wieser, Gerhard; Paoletti, Elena (Peer reviewed; Journal article, 2011)
      Science-based approaches in addressing future risks and challenges for forests require close collaboration among the communities operating different monitoring and research networks as well as experts in process and ...

    • Trends in Air Pollution in Europe, 2000–2019 

      Aas, Wenche; Fagerli, Hilde; Alastuey, Andres; Cavalli, Fabrizia; Degorska, Anna; Feigenspan, Stefan; Brenna, Hans; Gliss, Jonas; Heinesen, Daniel; Hueglin, Christoph; Holubová, Adela; Jaffrezo, Jean-Luc; Mortier, Augustin; Murovec, Marijana; Putaud, Jean-Philippe; Rüdige, Julian; Simpson, David; Solberg, Sverre; Tsyro, Svetlana; Tørseth, Kjetil; Yttri, Karl Espen (Peer reviewed; Journal article, 2024)
      This paper encompasses an assessment of air pollution trends in rural environments in Europe over the 2000–2019 period, benefiting from extensive long-term observational data from the EMEP monitoring network and EMEP MSC-W ...