Browsing NILU Brage by Author "Yttri, Karl Espen"

Now showing items 21-40 of 69

    • Ice nucleating particle concentrations increase when leaves fall in autumn 

      Conen, Franz; Yakutin, Mikhail V; Yttri, Karl Espen; Huglin, Cristoph (Journal article; Peer reviewed, 2017)

    • 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 ...

    • Impact of Biomass Burning on Arctic Aerosol Composition 

      Gramlich, Yvette; Siegel, Karolina; Haslett, Sophie L.; Cremer, Roxana S.; Lunder, Chris Rene; Kommula, Snehitha M.; Buchholz, Angela; Yttri, Karl Espen; Chen, Gang; Krejci, Radovan; Zieger, Paul; Virtanen, Annele; Riipinen, Ilona; Mohr, Claudia (Peer reviewed; Journal article, 2024)
      Emissions from biomass burning (BB) occurring at midlatitudes can reach the Arctic, where they influence the remote aerosol population. By using measurements of levoglucosan and black carbon, we identify seven BB events ...

    • 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 ...

    • Langtransporterte luftforurensninger og effekter i Norge - status og fremtidsutsikter. 

      Aas, Wenche; Solberg, Sverre; Yttri, Karl Espen; Larssen, Thorjørn; Wright, Richard (NILU OR;52/2009, Research report, 2009)
      Rapporten innholder en analyse av status og trender for langtrantsporterte forurensninger i Norge, for komponenter som er relevante under Gøteborgprotokollen. Det gjøres en vurdering om fremtidige overskrideleser av ...

    • 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)

    • Light-absorbing carbon in Europe - measurement and modelling, with a focus on residential wood combustion emissions 

      Genberg, J.; van der Gon, H. A. C. Denier; Simpson, D.; Swietlicki, E.; Areskoug, H.; Beddows, D.; Ceburnis, Darius; Fiebig, Markus; Hansson, H.C.; Harrison, R. M.; Jennings, S.G.; Saarikoski, S.; Spindler, G; Visschedijk, A.; Wiedensohler, A.; Yttri, Karl Espen; Bergström, R. (Journal article; Peer reviewed, 2013)

    • Modelled radiative forcing of the direct aerosol effect with multi-observation evaluation 

      Myhre, Gunnar; Berglen, Tore Flatlandsmo; Johnsrud, M; Hoyle, Christopher; Berntsen, Terje Koren; Christopher, SA; Fahey, DW; Isaksen, Ivar S A; Jones, TA; Kahn, RA; Loeb, N; Quinn, P; Remer, L; Schwarz, JP; Yttri, Karl Espen (Journal article; Peer reviewed, 2009)

    • Modelling of organic aerosols over Europe (2002-2007) using a volatility basis set (VBS) framework: application of different assumptions regarding the formation of secondary organic aerosol 

      Bergström, R.; van der Gon, H. A. C. Denier; Prevot, A.S.H.; Yttri, Karl Espen; Simpson, D. (Journal article; Peer reviewed, 2012)

    • Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2023. Annual report 

      Platt, Stephen Matthew; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Fiebig, Markus; Fjæraa, Ann Mari; Duflot, Valentin; Schmidbauer, Norbert; Myhre, Cathrine Lund; Yttri, Karl Espen; Eckhardt, Sabine; Stebel, Kerstin (NILU report;28/2024, Research report, 2024)
      This annual report for 2023 summarizes the activities and results of the greenhouse gas monitoring at the Zeppelin Observatory, situated on Svalbard, during the period 2001-2023, and the greenhouse gas monitoring and aerosol ...

    • Monitoring of long-range transported air pollutants in Norway, annual report 2013 

      Aas, Wenche; Solberg, Sverre; Yttri, Karl Espen (NILU OR;30/2014, Research report, 2014)
      The present report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2013 in the Norwegian rural background environment, and focuses on particulate and gaseous phase of ...

    • Monitoring of long-range transported air pollutants in Norway, annual report 2014 

      Aas, Wenche; Platt, Stephen Matthew; Solberg, Sverre; Yttri, Karl Espen (NILU OR;20/2015, Research report, 2015)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2014 in the Norwegian rural background environment, and focuses on particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway, annual report 2015. 

      Aas, Wenche; Fiebig, Markus; Platt, Stephen Matthew; Solberg, Sverre; Yttri, Karl Espen (NILU report;13/2016, Research report, 2016)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2015, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway, Annual Report 2016. 

      Aas, Wenche; Fiebig, Markus; Solberg, Sverre; Yttri, Karl Espen (NILU report;18/2017, Research report, 2017)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2016, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway, Annual Report 2017 

      Aas, Wenche; Fiebig, Markus; Solberg, Sverre; Yttri, Karl Espen (NILU report;10/2018, Research report, 2018)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2017, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway. Annual report 2018. 

      Aas, Wenche; Fiebig, Markus; Solberg, Sverre; Yttri, Karl Espen (NILU report;8/2019, Research report, 2019)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2018, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway. Annual Report 2019. 

      Aas, Wenche; Eckhardt, Sabine; Fiebig, Markus; Solberg, Sverre; Yttri, Karl Espen (NILU report;4/2020, Research report, 2020)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2019, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway. Annual Report 2020. 

      Aas, Wenche; Eckhardt, Sabine; Fiebig, Markus; Platt, Stephen Matthew; Solberg, Sverre; Yttri, Karl Espen; Zwaaftink, Christine Groot (NILU report;13/2021, Research report, 2021)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2020, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway. Annual Report 2021. 

      Aas, Wenche; Berglen, Tore Flatlandsmo; Eckhardt, Sabine; Fiebig, Markus; Solberg, Sverre; Yttri, Karl Espen (NILU report;18/2022, Research report, 2022)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2021, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...

    • Monitoring of long-range transported air pollutants in Norway. Annual Report 2022. 

      Aas, Wenche; Eckhardt, Sabine; Solberg, Sverre; Yttri, Karl Espen (NILU report;11/2023, Research report, 2023)
      This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2022, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic ...