Blar i NILU Brage på forfatter "Yttri, Karl Espen"

Viser treff 1-20 av 64

    • A European aerosol phenomenology -4: Harmonized concentrations of carbonaceous aerosol at 10 regional background sites across Europe. 

      Cavalli, F.; Areskoug, H.; Alastuey, A; Ceburnis, Darius; Čech, J.; Genberg, J.; Harrison, R. M.; Jaffrezo, J.-L.; Kiss, G.; Laj, P.; Mihalopoulos, N; Perez, N.; Quincey, P.; Schwarz, J.; Sellegri, K.; Spindler, G; Swietlicki, E.; Theodosi, C.; Yttri, Karl Espen; Aas, Wenche; Putaud, J. P. (Journal article; Peer reviewed, 2016)

    • A European aerosol phenomenology-5: Climatology of black carbon optical properties at 9 regional background sites across Europe 

      Zanatta, M.; Gysel, M.; Bukowiecki, N.; Müller, T.; Weingartner, E.; Areskoug, H.; Fiebig, Markus; Yttri, Karl Espen; Mihalopoulos, N.; Kouvarakis, G.; Beddows, D.; Harrison, R.M.; Cavalli, F.; Putaud, J.P.; Spindler, G.; Wiedensohler, A.; Alastuey, A.; Pandolfi, M.; Sellegri, K.; Swietlicki, E.; Jaffrezo, J.L.; Baltensperger, U.; Laj, P. (Journal article; Peer reviewed, 2016)

    • An intercomparison study of analytical methods used for quantification of levoglucosan in ambient aerosol filter samples 

      Yttri, Karl Espen; Schnelle-Kreis, Jürgen; Maenhaut, Willy; Abbaszade, Gülcin; Alves, Célia Anjos; Bjerke, Arve; Bonnier, Nicolas; Bossi, Rossana; Claeys, Magda; Dye, Christian Jarle; Evtyugina, Margarita G.; Garcia-Gacio, David; Hillamo, Risto E.J.; Hoffer, András; Hyder, Murtaza; Iinuma, Yoshiteru; Jaffrezo, Jeań Luc; Kasper-Giebl, Anne; Kiss, Gyula; López-Mahia, Purificación L.; Pio, Casimiro; Piot, Christine; Ramirez-Santa-Cruz, Carlos; Sciare, Jean; Teinilä, Kimmo; Vermeylen, Reinhilde; Vicente, Ana M.; Zimmermann, Ralf (Journal article; Peer reviewed, 2015)

    • Atmospheric composition in the European Arctic and 30 years of the Zeppelin Observatory, Ny-Ålesund 

      Platt, Stephen Matthew; Hov, Øystein; Berg, Torunn; Breivik, Knut; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Evangeliou, Nikolaos; Fiebig, Markus; Fisher, Rebecca; Hansen, Georg Heinrich; Hansson, Hans-Christen; Heintzenberg, Jost; Hermansen, Ove; Heslin-Rees, Dominic; Holmén, Kim; Hudson, Stephen; Kallenborn, Roland; Krejci, Radovan; Krognes, Terje; Larssen, Steinar; Lowry, David; Myhre, Cathrine Lund; Lunder, Chris Rene; Nisbet, Euan; Bohlin-Nizzetto, Pernilla; Park, Ki-Tae; Pedersen, Christina Alsvik; Pfaffhuber, Katrine Aspmo; Röckmann, Thomas; Schmidbauer, Norbert; Solberg, Sverre; Stohl, Andreas; Ström, Johan; Svendby, Tove Marit; Tunved, Peter; Tørnkvist, Kjersti Karlsen; van der Veen, Carina; Vratolis, Stergios; Jun Yoon, Young; Yttri, Karl Espen; Zieger, Paul; Aas, Wenche; Tørseth, Kjetil (Peer reviewed; Journal article, 2022)
      The Zeppelin Observatory (78.90∘ N, 11.88∘ E) is located on Zeppelin Mountain at 472 m a.s.l. on Spitsbergen, the largest island of the Svalbard archipelago. Established in 1989, the observatory is part of Ny-Ålesund ...

    • Atmospheric monitoring at the Norwegian Antarctic station Troll: measurement programme and first results 

      Hansen, Georg Heinrich; Aspmo, Katrine; Berg, Torunn; Edvardsen, Kåre; Fiebig, Markus; Kallenborn, Roland; Krognes, Terje; Lunder, Chris Rene; Stebel, Kerstin; Schmidbauer, Norbert; Solberg, Sverre; Yttri, Karl Espen (Peer reviewed; Journal article, 2009)
      The Troll Atmospheric Station in Antarctica (72°01?S, 2°32?E, 1309 m a.s.l.) was established and put into operation in early 2007. The main foci of the measurement programme are pollution and aerosols in the transition ...

    • Carbonaceous aerosols in Norwegian urban areas 

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

    • 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)

    • Contribution of wood burning to PM10 in London 

      Fuller, Gary W.; Tremper, Anja H.; Baker, Timothy D.; Yttri, Karl Espen; Butterfield, David (Journal article; Peer reviewed, 2014)

    • Description of a measurement campaign for the development and validation of a non-exhaust PM traffic emisson model. 

      Denby, Bruce; Yttri, Karl Espen; Larssen, Steinar; Fiebig, Markus; Hak, Claudia; Berger, Janne; Tørnkvist, Kjersti Karlsen (NILU OR;71/2010, Research report, 2010)
      This document describes a measurement campaign intended to provide data for the further development and assessment of non-exhaust emissions and the models used to describe them.

    • Differentiation of coarse-mode anthropogenic, marine and dust particles in the High Arctic islands of Svalbard 

      Song, Congbo; Dall'Osto, Manuel; Lupi, Angelo; Mazzola, Mauro; Traversi, Rita; Becagli, Silvia; Gilardoni, Stefania; Vratolis, Stergios; Yttri, Karl Espen; Beddows, David C.S.; Schmale, Julia; Brean, James; Kramawijaya, Agung Ghani; Harrison, Roy M.; Shi, Zongbo (Peer reviewed; Journal article, 2021)
      Understanding aerosol–cloud–climate interactions in the Arctic is key to predicting the climate in this rapidly changing region. Whilst many studies have focused on submicrometer aerosol (diameter less than 1 µm), relatively ...

    • Effects of relative humidity on aerosol light scattering in the Arctic 

      Zieger, Paul; Fierz-Schmidhauser, Rahel; Gysel, Martin; Ström, Johan; Henne, Stephan; Yttri, Karl Espen; Baltensperger, Urs; Weingartner, Ernest (Journal article; Peer reviewed, 2010)

    • 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. ...

    • Evaluating the climate and air quality impacts of short-lived pollutants 

      Stohl, Andreas; Aamaas, Borgar; Amann, M; Baker, LH; Bellouin, N; Berntsen, Terje Koren; Boucher, O; Cherian, R; Collins, W; Daskalakis, N; Dusinska, Maria; Eckhardt, Sabine; Fuglestvedt, Jan S.; Harju, Mikael; Heyes, C; Hodnebrog, Øivind; Hao, J; Im, U; Kanakidou, M; Klimont, Z; Kupiainen, K; Law, KS; Lund, Marianne Tronstad; Maas, R; MacIntosh, CR; Myhre, Gunnar; Myriokefalitakis, S; Oliviè, Dirk Jan Leo; Quaas, J; Quennehen, B; Raut, JC; Rumbold, ST; Samset, Bjørn Hallvard; Schulz, M; Seland, Øyvind; Shine, KP; Skeie, Ragnhild Bieltvedt; Wang, S; Yttri, Karl Espen; Zhu, T (Journal article; Peer reviewed, 2015)
      This paper presents a summary of the work done within the European Union's Seventh Framework Programme project ECLIPSE (Evaluating the Climate and Air Quality Impacts of Short-Lived Pollutants). ECLIPSE had a unique ...

    • 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)

    • Geochemistry of PM10 over Europe during the EMEP intensive measurement 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)

    • 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)

    • 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 ...