Browsing NILU Brage by Author "Evangeliou, Nikolaos"

Now showing items 1-20 of 33

    • 10-year satellite-constrained fluxes of ammonia improve performance of chemistry transport models 

      Evangeliou, Nikolaos; Balkanski, Yves; Eckhardt, Sabine; Cozic, Anne; Van Damme, Martin; Coheur, Pierre-François; Clarisse, Lieven; Shephard, Mark W.; Cady-Pereira, Karen; Hauglustaine, Didier (Peer reviewed; Journal article, 2021)
      In recent years, ammonia emissions have been continuously increasing, being almost 4 times higher than in the 20th century. Although an important species, as its use as a fertilizer sustains human living, ammonia has major ...

    • Aerosol carbonaceous, elemental and ionic composition variability and origin at the Siberian High Arctic, Cape Baranova 

      Manousakas, Manousos; Popovicheva, Olga; Evangeliou, Nikolaos; Diapouli, Evangelia; Sitnikov, Nikolay; Shonija, N.; Eleftheriadis, Konstantinos (Peer reviewed; Journal article, 2020)
      Aerosol particles are major short-lived climate forcers, because of their ability to interact with incoming solar radiation. Therefore, addressing mean levels and sources of Arctic aerosols is of high importance in the ...

    • An aerosol particle containing enriched uranium encountered in the remote upper troposphere 

      Murphy, D. M.; Froyd, K. D.; Apel, E.; Blake, D.; Evangeliou, Nikolaos; Hornbrook, R. S.; Peischl, J.; Ray, E.; Ryerson, T. B.; Thompson, C.; Stohl, Andreas (Journal article; Peer reviewed, 2018)

    • 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 transport is a major pathway of microplastics to remote regions 

      Evangeliou, Nikolaos; Grythe, Henrik; Klimont, Zbigniew; Heyes, Chris; Eckhardt, Sabine; Lopez-Aparicio, Susana; Stohl, Andreas (Peer reviewed; Journal article, 2020)
      In recent years, marine, freshwater and terrestrial pollution with microplastics has been discussed extensively, whereas atmospheric microplastic transport has been largely overlooked. Here, we present global simulations ...

    • Black Carbon Emission Reduction Due to COVID-19 Lockdown in China 

      Jia, Mengwei; Evangeliou, Nikolaos; Eckhardt, Sabine; Huang, Xin; Gao, Jian; Ding, Aijun; Stohl, Andreas (Peer reviewed; Journal article, 2021)
      During the Lunar New Year Holiday of 2020, China implemented an unprecedented lockdown to fight the COVID-19 outbreak, which strongly affected the anthropogenic emissions. We utilized elemental carbon observations (equivalent ...

    • Black carbon sources constrained by observations in the Russian high Arctic 

      Popovicheva, Olga; Evangeliou, Nikolaos; Eleftheriadis, Konstantinos; Kalogridis, Athina C.; Sitnikov, Nikolay; Eckhardt, Sabine; Stohl, Andreas (Journal article; Peer reviewed, 2017)

    • Changes in black carbon emissions over Europe due to COVID-19 lockdowns 

      Evangeliou, Nikolaos; Platt, Stephen Matthew; Eckhardt, Sabine; Myhre, Cathrine Lund; Laj, Paolo; Alados-Arboledas, Lucas; Backman, John; Brem, Benjamin T.; Fiebig, Markus; Flentje, Harald; Marinoni, Angela; Pandolfi, Marco; Yus-Diez, Jesus; Prats, Natalia; Putaud, Jean-Philippe; Sellegri, Karine; Sorribas, Mar; Eleftheriadis, Konstantinos; Vratolis, Stergios; Wiedensohler, Alfred; Stohl, Andreas (Peer reviewed; Journal article, 2021)
      Following the emergence of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) responsible for COVID-19 in December 2019 in Wuhan (China) and its spread to the rest of the world, the World Health Organization ...

    • Daily black carbon emissions from fires in northern Eurasia for 2002-2015 

      Hao, Wei Min; Petkov, Alexander; Nordgren, Bryce L.; Corley, Rachel E.; Silverstein, Robin P.; Urbanski, Shawn P.; Evangeliou, Nikolaos; Balkanski, Yves; Kinder, Bradley L. (Journal article; Peer reviewed, 2016)

    • Dose calculations in aircrafts after Fukushima nuclear power plant accident – Preliminary study for aviation operations 

      Vargas, Arturo; Arnold, Delia; Duch, M.-A.; Evangeliou, Nikolaos; Sievers, Klaus (Journal article; Peer reviewed, 2019)
      There is little information to decision support in air traffic management in case of nuclear releases into the atmosphere. In this paper, the dose estimation due to both, external exposure (i.e. cloud immersion, deposition ...

    • Evaluation of observed and modelled aerosol lifetimes using radioactive tracers of opportunity and an ensemble of 19 global models 

      Kristiansen, Nina Iren; Stohl, Andreas; Oliviè, Dirk Jan Leo; Croft, Betty; Søvde, Ole Amund; Klein, Heiko; Christoudias, Theodoros; Kunkel, Daniel; Leadbetter, Susan J.; Lee, Yunha; Zhang, Kai; Tsigaridis, Kostas; Bergman, Tommi; Evangeliou, Nikolaos; Wang, Hailong; Ma, Po-Lun; Easter, Richard C.; Rasch, Philip J.; Liu, Xiaohong; Pitari, Giovanni; Di Genova, Glauco; Zhao, Shuyun; Balkanski, Yves; Bauer, Susanne E.; Faluvegi, Gregory S.; Kokkola, Harri; Martin, Randall V.; Pierce, Jeffrey Robert; Schulz, Michael; Shindell, Drew T.; Tost, Holger; Zhang, Hua (Journal article; Peer reviewed, 2016)

    • Inverse modeling of the Chernobyl source term using atmospheric concentration and deposition measurements 

      Evangeliou, Nikolaos; Hamburger, Thomas; Cozic, Anne; Balkanski, Yves; Stohl, Andreas (Journal article; Peer reviewed, 2017)

    • Large Circulation Patterns Strongly Modulate Long-Term Variability of Arctic Black Carbon Levels and Areas of Origin 

      Stathopoulos, Vasileios; Evangeliou, Nikolaos; Stohl, Andreas; Vratolis, Stergios; Matsoukas, Christos; Eleftheriadis, Konstantinos (Peer reviewed; Journal article, 2021)
      Black Carbon (BC) aerosol is a major climate forcer in the Arctic. Here, we present 15 years (2001–2015) of surface observations of the aerosol absorption coefficient babs (corresponding to Equivalent BC), obtained at the ...

    • 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 ...

    • Mortality induced by PM2.5 exposure following the 1783 Laki eruption using reconstructed meteorological fields 

      Balkanski, Y.; Menut, L.; Wang, R.; Evangeliou, Nikolaos; Jourdain, S.; Eschstruth, C.; Vrac, M; Yiou, P. (Journal article; Peer reviewed, 2018)
      The 1783–1784 Laki eruption provides a natural experiment to evaluate the performance of chemistry-transport models in predicting the health impact of air particulate pollution. There are few existing daily meteorological ...

    • On the tuning of atmospheric inverse methods: comparisons with the European Tracer Experiment (ETEX) and Chernobyl datasets using the atmospheric transport model FLEXPART 

      Tichý, Ondřej; Ulrych, Lukas; Šmídl, Václav; Evangeliou, Nikolaos; Stohl, Andreas (Peer reviewed; Journal article, 2020)
      Estimation of the temporal profile of an atmospheric release, also called the source term, is an important problem in environmental sciences. The problem can be formalized as a linear inverse problem wherein the unknown ...

    • Open fires in Greenland in summer 2017: transport, deposition and radiative effects of BC, OC and BrC emissions 

      Evangeliou, Nikolaos; Kylling, Arve; Eckhardt, Sabine; Myroniuk, Viktor; Stebel, Kerstin; Paugam, Ronan; Zibtsev, Sergiy; Stohl, Andreas (Journal article; Peer reviewed, 2019)
      Highly unusual open fires burned in western Greenland between 31 July and 21 August 2017, after a period of warm, dry and sunny weather. The fires burned on peatlands that became vulnerable to fires by permafrost thawing. ...

    • Origin of elemental carbon in snow from western Siberia and northwestern European Russia during winter–spring 2014, 2015 and 2016 

      Evangeliou, Nikolaos; Shevchenko, Vladimir P.; Yttri, Karl Espen; Eckhardt, Sabine; Sollum, Espen; Pokrovsky, Oleg S.; Kobelev, Vasily O.; Korobov, Vladimir B.; Lobanov, Andrey A.; Starodymova, Dina P.; Vorobiev, Sergey N.; Thompson, Rona Louise; Stohl, Andreas (Journal article; Peer reviewed, 2018)

    • Perfluorocyclobutane (PFC-318, c-C4F8) in the global atmosphere 

      Mühle, Jens; Trudinger, Cathy; Western, Luke M.; Rigby, Matthew; Vollmer, Martin K.; Park, Sunyoung; Manning, Alistair J.; Say, Daniel; Ganesan, Anita; Steele, L. Paul; Ivy, Diane J.; Arnold, Tim; Li, Shanlan; Stohl, Andreas; Harth, Christina M.; Salameh, Peter K.; McCulloch, Archie; O'Doherty, Simon; Park, Mi-Kyung; Jo, Chun Ok; Young, Dickon; Stanley, Kieran; Krummel, Paul B.; Mitrevski, Blagoj; Hermansen, Ove; Lunder, Chris Rene; Evangeliou, Nikolaos; Yao, Bo; Kim, Jooil; Hmiel, Benjamin; Buizert, Christo; Petrenko, Vasilii V.; Arduini, Jgor; Maione, Michela; Etheridge, David M.; Michalopoulou, Eleni; Czerniak, Mike; Severinghaus, Jeffrey P.; Reimann, Stefan; Simmonds, Peter G.; Fraser, Paul J.; Prinn, Ronald G.; Weiss, Ray F. (Journal article; Peer reviewed, 2019)
      We reconstruct atmospheric abundances of the potent greenhouse gas c-C4F8 (perfluorocyclobutane, perfluorocarbon PFC-318) from measurements of in situ, archived, firn, and aircraft air samples with precisions of ∼1 %–2 % ...

    • Real-time measurement of radionuclide concentrations and its impact on inverse modeling of 106Ru release in the fall of 2017 

      Tichý, Ondřej; Hýza, Miroslav; Evangeliou, Nikolaos; Šmídl, Václav (Peer reviewed; Journal article, 2021)
      Low concentrations of 106Ru were detected across Europe at the turn of September and October 2017. The origin of 106Ru has still not been confirmed; however, current studies agree that the release occurred probably near ...