Browsing NILU Brage by Author "Simpson, David"

Now showing items 1-18 of 18

    • Air pollution trends in the EMEP region between 1990 and 2012. Joint Report of the EMEP Task Force on Measurements and Modelling (TFMM), Chemical Co-ordinating Centre (CCC), Meteorological Synthesizing Centre-East (MSC-E), Meteorological Synthesizing Centre-West (MSC-W). 

      Colette, Augustin; Aas, Wenche; Banin, Lindsay; Braban, Christine F.; Ferm, Martin; Ortiz, Alberto; Ilyin, Ilia; Mar, Kathleen; Pandolfi, Marco; Putaud, Jean-Philippe; Shatalov, Victor; Solberg, Sverre; Spindler, Gerald; Tarasova, Oksana; Vána, Milan; Adani, Mario; Almodovar, Paul; Berton, Eva; Bessagnet, Bertrand; Bohlin-Nizzetto, Pernilla; Borukova, Jana; Breivik, Knut; Briganti, Gino; Cappelletti, Andrea; Cuvelier, Kees; Derwent, Richard; D'Isidoro, Massimo; Fagerli, Hilde; Funk, Clara; Vivanco, Marta García; Haeuber, Richard; Hueglin, Christoph; Jenkins, Scott; Kerr, Jennifer; de Leeuw, Frank; Lynch, Jason; Manders, Astrid; Mircea, Mihaela; Pay, María Teresa; Pritula, Dominique; Querol, Xavier; Raffort, Valentin; Reiss, Ilze; Roustan, Yelva; Sauvage, Stéphane; Scavo, Kimber; Simpson, David; Smith, Ron I.; Tang, Y. Sim; Theobald, Mark; Tørseth, Kjetil; Tsyro, Svetlana; van Pul, Addo; Vidic, Sonja; Wallasch, Markus; Wind, Peter (EMEP/CCC-Report;1/2016, Research report, 2016)

    • Carbonaceous aerosols in Norwegian urban areas 

      Yttri, Karl Espen; Dye, Christian; Braathen, Ole-Anders; Simpson, David; Steinnes, Eiliv (Journal article; Peer reviewed, 2009)

    • Carbon–nitrogen interactions in European forests and semi-natural vegetation – Part 1: Fluxes and budgets of carbon, nitrogen and greenhouse gases from ecosystem monitoring and modelling 

      Flechard, Chris R.; Ibrom, Andreas; Skiba, Ute; de Vries, Wim; Van Oijen, Marcel; Cameron, David R.; Dise, Nancy B.; Korhonen, Janne; Buchmann, Nina; Legout, Arnaud; Simpson, David; Sanz, Maria J.; Aubinet, Marc; Loustau, Denis; Montagnani, Leonardo; Neirynck, Johan; Janssens, Ivan A.; Pihlatie, Mari; Kiese, Ralf; Siemens, Jan; Francez, Andre-Jean; Augustin, Jurgen; Varlagin, Andrej; Olejnik, Janusz; Juszczak, Radoslaw; Aurela, Mika; Berveiller, Daniel; Chojnicki, Bogdan H.; Dämmgen, Urich; Delpierre, Nicolas; Djuricic, Vesna; Drewer, Julia; Dufrene, Eric; Eugster, Werner; Fauvel, Yannick; Fowler, David; Frumau, Arnoud; Granier, Andre; Gross, Patrick; Hamon, Yannick; Helfter, Carole; Hensen, Arjan; Horvath, Laszlo; Kitzler, Barbara; Kruijt, Bart; Kutsch, Werner; Lobo-do-Vale, Raquel; Lohila, Annalea; Longdoz, Bernard; Marek, Michal V.; Matteucci, Giorgio; Mitosinkova, Marta; Moreaux, Virginie; Neftel, Albrecht; Ourcival, Jean-Marc; Pilegaard, Kim; Pita, Gabriel; Sanz, Francisco; Schjoerring, Jan K.; Sebastià, Maria-Teresa; Tang, Y. Sim; Uggerud, Hilde Thelle; Urbaniak, Marek; van Dijk, Netty; Vesala, Timo; Vidic, Sonja; Vincke, Caroline; Weidinger, Tamas; Sechmeister-Boltenstern, Sophie; Butterbach-Bahl, Klaus; Nemitz, Eiko; Sutton, Mark A. (Peer reviewed; Journal article, 2020)
      The impact of atmospheric reactive nitrogen (Nr) deposition on carbon (C) sequestration in soils and biomass of unfertilized, natural, semi-natural and forest ecosystems has been much debated. Many previous results of this ...

    • Composition and sources of carbonaceous aerosol in the European Arctic at Zeppelin Observatory, Svalbard (2017 to 2020) 

      Yttri, Karl Espen; Bäcklund, Are; Conen, Franz; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Kasper-Giebl, Anne; Gold, Avram; Gundersen, Hans; Myhre, Cathrine Lund; Platt, Stephen Matthew; Simpson, David; Surratt, Jason D.; Szidat, Sönke; Rauber, Martin; Tørseth, Kjetil; Ytre-Eide, Martin Album; Zhang, Zhenfa; Aas, Wenche (Peer reviewed; Journal article, 2024)
      We analyzed long-term measurements of organic carbon, elemental carbon, and source-specific organic tracers from 2017 to 2020 to constrain carbonaceous aerosol sources in the rapidly changing Arctic. Additionally, we used ...

    • Composition and sources of carbonaceous aerosols in Northern Europe during winter 

      Glasius, M.; Hansen, A. M. K.; Claeys, M.; Henzing, J.S; Jedynska, A. D.; Kasper-Giebl, Anne; Kistler, M.; Kristensen, K.; Martinsson, J.; Maenhaut, W.; Nøjgaard, J.K.; Spindler, G.; Stenström, K. E.; Swietlicki, E.; Szidat, S.; Simpson, David; Yttri, Karl Espen (Journal article; Peer reviewed, 2018)

    • Fossil and non-fossil sources of organic carbon (OC) and elemental carbon (EC) in Goteborg, Sweden 

      Szidat, Sönke; Ruff, Matthias; Perron, Nolwenn; Wacker, Lukas; Synal, Hans Arno; Hallquist, Mattias; Shannigrahi, Ardhendu S.; Yttri, Karl Espen; Dye, Christian Jarle; Simpson, David (Journal article; Peer reviewed, 2009)

    • General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) - integrating aerosol research from nano to global scales 

      Kulmala, Markku; Asmi, Ari; Lappalainen, H. K.; Baltensperger, Urs; Brenguier, Jean-Louis; Facchini, Cristina; Hansson, H.-C.; Hov, Øystein; O'Dowd, Colin; Pöschl, U.; Wiedensohler, A.; Boers, Reinout; Boucher, Olivier; de Leeuw, G.; Denier van der Gon, H.A.C.; Feichter, Johann; Krejci, R.; Laj, P.; Lihavainen, H.; Lohmann, Ulrike; McFiggans, Gordon; Mentel, Thomas; Pilinis, C.; Riipinen, Ilona; Schulz, Michael; Stohl, Andreas; Swietlicki, Erik; Vignati, Elisabetta; Alves, C.; Amann, M.; Ammann, M.; Arabas, Sylvester; Artaxo, P.; Baars, H.; Beddows, D.C.S.; Bergström, R.; Beukes, J. P.; Bilde, Merete; Burkhart, John Faulkner; Canonaco, F.; Clegg, S. L.; Coe, H.; Crumeyrolle, S.; D'Anna, Barbara; Decesari, S.; Gilardoni, S.; Fischer, M.; Fjæraa, Ann Mari; Fountoukis, C.; George, C.; Gomes, L.; Halloran, P.; Hamburger, T.; Harrison, R. M.; Herrmann, H.; Hoffmann, T.; Hoose, Corinna; Hu, M.; Hyvärinen, A.; Hõrrak, U.; Iinuma, Y.; Iversen, Trond; Josipovic, M.; Kanakidou, Maria; Kiendler-Scharr, A.; Kirkevåg, Alf; Kiss, G.; Klimont, Z.; Kolmonen, P.; Komppula, M.; Kristjansson, Jon Egill; Laakso, L.; Laaksonen, A.; Labonnote, L.; Lanz, V. A.; Lehtinen, K. E. J.; Rizzo, L. V.; Makkonen, R.; Manninen, H. E.; McMeeking, G.; Merikanto, J.; Minikin, A.; Mirme, S.; Morgan, W. T.; Nemitz, E.; O'Donnell, D.; Panwar, T. S.; Pawlowska, H.; Petzold, A.; Pienaar, J. J.; Pio, C.; Plass-Duelmer, C.; Prévôt, A. S. H.; Pryor, S.; Reddington, C. L.; Roberts, G.; Rosenfeld, Daniel; Schwarz, J.; Seland, Øyvind; Sellegri, K.; Shen, X. J.; Shiraiwa, M.; Siebert, H.; Sierau, Berko; Simpson, David; Sun, J. Y.; Topping, D.; Tunved, Peter; Vaattovaara, P.; Vakkari, V.; Veefkind, J. P.; Visschedijk, A.; Vuollekoski, H.; Vuolo, R.; Wehner, B.; Wildt, J.; Woodward, S.; Worsnop, D. R.; van Zadelhoff, G.-J.; Zardini, A. A.; Zhang, K.; van Zyl, P. G.; Kerminen, V.-M.; Carslaw, K. S.; Pandis, S. N. (Journal article; Peer reviewed, 2011)

    • 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 forest fires, biogenic emissions and high temperatures on the elevated Eastern Meditteranean ozone levels during the hot summer of 2007 

      Hodnebrog, Øivind; Solberg, Sverre; Stordal, Frode; Svendby, Tove Marit; Simpson, David; Gauss, Michael; Hilboll, Andreas; Pfister, G.; Turquety, Solène; Richter, Andreas; Burrows, John P.; Denier van der Gon, H. A. C. (Journal article; Peer reviewed, 2012)
      The hot summer of 2007 in southeast Europe has been studied using two regional atmospheric chemistry models; WRF-Chem and EMEP MSC-W. The region was struck by three heat waves and a number of forest fire episodes, greatly ...

    • 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)

    • Ozone - the persistent menace: Interactions with the N cycle and climate change 

      Simpson, David; Arneth, Almut; Mills, Gina; Solberg, Sverre; Uddling, Johan (Journal article; Peer reviewed, 2014)

    • Source apportionment of the carbonaceous aerosol in Norway - quantitative estimates based on C-14, thermal-optical and organic tracer analysis 

      Yttri, Karl Espen; Simpson, David; Stenström, Kristina; Puxbaum, Hans; Svendby, Tove Marit (Journal article; Peer reviewed, 2011)

    • 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 ...

    • 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 ...

    • Trends, composition, and sources of carbonaceous aerosol at the Birkenes Observatory, northern Europe, 2001–2018 

      Yttri, Karl Espen; Canonaco, Francesco; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Gundersen, Hans; Hjellbrekke, Anne-Gunn; Myhre, Cathrine Lund; Platt, Stephen Matthew; Prévôt, André S. H.; Simpson, David; Solberg, Sverre; Surratt, Jason D.; Tørseth, Kjetil; Uggerud, Hilde Thelle; Vadset, Marit; Wan, Xin; Aas, Wenche (Peer reviewed; Journal article, 2021)
      We present 18 years (2001–2018) of aerosol measurements, including organic and elemental carbon (OC andEC), organic tracers (levoglucosan, arabitol, mannitol, trehalose, glucose, and 2-methyltetrols), trace elements, ...

    • Tropospheric Ozone Assessment Report: Present-day ozone distribution and trends relevant to human health 

      Fleming, Zoë L.; Doherty, Ruth M.; von Schneidemesser, Erika; Malley, Christopher S.; Cooper, Owen R.; Pinto, Joseph P.; Colette, Augustin; Xu, Xiaobin; Simpson, David; Schultz, Martin G.; Lefohn, Allen S.; Hamad, Samera; Moolla, Raeesa; Solberg, Sverre; Feng, Zhaozhong (Journal article; Peer reviewed, 2018)

    • Uncertainties in assessing the environmental impact of amine emissions from a CO2 capture plant 

      Karl, Matthias; Castell, Nuria; Simpson, David; Solberg, Sverre; Starrfelt, Jostein; Svendby, Tove Marit; Walker, Sam-Erik; Wright, Richard Frederic (Journal article; Peer reviewed, 2014)
      In this study, a new model framework that couples the atmospheric chemistry transport model system WRF-EMEP and the multimedia fugacity level III model was used to assess the environmental impact of amine emissions to air ...