Now showing items 661-680 of 1363

    • Recent Arctic ozone depletion: Is there an impact of climate change? 

      Pommereau, Jean-Pierre; Goutail, Florence; Pazmino, Andrea; Lefèvre, Franck; Chipperfield, Martyn P.; Feng, Wuhu; van Roozendael, Michel; Jepsen, Nis; Hansen, Georg Heinrich; Kivi, Rigel; Bognar, Kristof; Strong, Kimberly; Walker, Kaley; Kuzmichev, Alexandr; Khattatov, Slava; Sitnikova, Vera (Journal article; Peer reviewed, 2018)
      After the well-reported record loss of Arctic stratospheric ozone of up to 38% in the winter 2010–2011, further large depletion of 27% occurred in the winter 2015–2016. Record low winter polar vortex temperatures, below ...
    • Influence of solar wind energy flux on the interannual variability of ENSO in the subsequent year 

      He, Shengping; Wang, Hui-Jun; Gao, Yongqi; Li, Fei; Li, Hui; Wang, Chi (Journal article; Peer reviewed, 2018)
    • Subseasonal reversal of East Asian surface temperature variability in winter 2014/15 

      Xu, Xinping; Li, Fei; He, Shengping; Wang, Huijun (Journal article; Peer reviewed, 2018)
    • Methane at Svalbard and over the European Arctic Ocean 

      Platt, Stephen Matthew; Eckhardt, Sabine; Ferré, Benedicte; Fisher, Rebecca E.; Hermansen, Ove; Jansson, Pär; Lowry, David; Nisbet, Euan G.; Pisso, Ignacio; Schmidbauer, Norbert; Silyakova, Anna; Stohl, Andreas; Svendby, Tove Marit; Vadakkepuliyambatta, Sunil; Mienert, Jurgen; Myhre, Cathrine Lund (Journal article; Peer reviewed, 2018)
      Methane (CH4) is a powerful greenhouse gas. Its atmospheric mixing ratios have been increasing since 2005. Therefore, quantification of CH4 sources is essential for effective climate change mitigation. Here we report ...
    • Webcrawling and machine learning as a new approach for the spatial distribution of atmospheric emissions 

      Lopez-Aparicio, Susana; Grythe, Henrik; Vogt, Matthias; Pierce, Matthew; Vallejo, Islen (Journal article; Peer reviewed, 2018)
      In this study we apply two methods for data collection that are relatively new in the field of atmospheric science. The two developed methods are designed to collect essential geo-localized information to be used as input ...
    • Air quality in Ny-Ålesund. Monitoring of local air quality 2016-2017. 

      Johnsrud, Mona; Hermansen, Ove; Tørnkvist, Kjersti Karlsen (NILU report;30/2018, Research report, 2018)
      The concentrations of the measured components are generally low and below national limit values for the protection of human health and critical levels for the protection of vegetation. Wind from northern sectors gave the ...
    • An Infrastructural Analysis of a Crowdsourcing Tool for Environmental Research 

      Fossum, Selamawit Molla; Lopez-Aparicio, Susana; Røen, Håvard Vika (Journal article, 2018)
      In this paper, we adopt information infrastructure design principles and concepts from the theory of critical mass to analyze and evaluate the socio-technical conditions that hindered the successful bootstrapping processes ...
    • A European aerosol phenomenology – 6: scattering properties of atmospheric aerosol particles from 28 ACTRIS sites 

      Pandolfi, Marco; Alados-Arboledas, Lucas; Alastuey, Andrés; Andrade, Marcos; Angelov, Christo; Artiñano, Begoña; Backman, John; Baltensperger, Urs; Bonasoni, Paolo; Bukowiecki, Nicolas; Coen, Martine Collaud; Conil, Sébastien; Coz, Esther; Crenn, Vincent; Dudoitis, Vadimas; Ealo, Marina; Eleftheriadis, Kostas; Favez, Olivier; Fetfatzis, Prodromos; Fiebig, Markus; Flentje, Harald; Ginot, Patrick; Gysel, Martin; Henzing, Bas; Hoffer, András; Smejkalova, Adela Holubova; Kalapov, Ivo; Kalivitis, Nikos; Kouvarakis, Giorgos; Kristensson, Adam; Kulmala, Markku; Lihavainen, Heikki; Lunder, Chris Rene; Luoma, Krista; Lyamani, Hassan; Marinoni, Angela; Mihalopoulos, Nikos; Moerman, Marcel; Nicolas, José; O'Dowd, Colin; Petäjä, Tuukka; Petit, Jean Eudes; Pichon, Jean-Marc; Prokopciuk, Nina; Putaud, Jean-Philippe; Rodriguez, Sergio; Sciare, Jean; Sellegri, Karine; Swietlicki, Erik; Titos, Gloria; Tuch, Thomas; Tunved, Peter; Ulevičius, Vidmantas; Vaishya, Aditya; Vána, Milan; Virkkula, Aki; Vratolis, Stergios; Weingartner, Ernest; Wiedensohler, Alfred; Laj, Paolo (Journal article; Peer reviewed, 2018)
      This paper presents the light-scattering properties of atmospheric aerosol particles measured over the past decade at 28 ACTRIS observatories, which are located mainly in Europe. The data include particle light scattering ...
    • Variability in Atmospheric Methane From Fossil Fuel and Microbial Sources Over the Last Three Decades 

      Thompson, Rona Louise; Nisbet, E. G.; Pisso, Ignacio; Stohl, Andreas; Blake, D.; Dlugokencky, E. J.; Helmig, D.; White, J. W. C. (Journal article; Peer reviewed, 2018)
      Atmospheric measurements show an increase in CH4 from the 1980s to 1998 followed by a period of near‐zero growth until 2007. However, from 2007, CH4 has increased again. Understanding the variability in CH4 is critical for ...
    • A satellite-based estimate of combustion aerosol cloud microphysical effects over the Arctic Ocean 

      Zamora, Lauren M; Kahn, Ralph A.; Huebert, Klaus B; Stohl, Andreas; Eckhardt, Sabine (Journal article; Peer reviewed, 2018)
      Climate predictions for the rapidly changing Arctic are highly uncertain, largely due to a poor understanding of the processes driving cloud properties. In particular, cloud fraction (CF) and cloud phase (CP) have major ...
    • 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)
    • Top-down estimates of black carbon emissions at high latitudes using an atmospheric transport model and a Bayesian inversion framework 

      Evangeliou, Nikolaos; Thompson, Rona Louise; Eckhardt, Sabine; Stohl, Andreas (Journal article; Peer reviewed, 2018)
      This paper presents the results of BC inversions at high northern latitudes (>50°N) for the 2013–2015 period. A sensitivity analysis was performed to select the best representative species for BC and the best a priori ...
    • Modeling the influence of eutrophication and redox conditions on mercury cycling at the sediment-water interface in the Berre Lagoon 

      Pakhomova, Svetlana; Yakushev, Evgeny; Protsenko, Elizaveta; Rigaud, Sylvain; Cossa, Daniel; Knoery, Joel; Couture, Raoul-Marie; Radakovitch, Olivier; Yakubov, Shamil; Krzeminska, Dominika; Newton, Alice (Journal article; Peer reviewed, 2018)
      This study presents a specifically designed Mercury module in a coupled benthic-pelagic reactive-transport model - Bottom RedOx Model (BROM) that allows to study mercury (Hg) biogeochemistry under different conditions. ...
    • NERVE - Utslipsmodell for veitrafikk. Dokumentasjon av beregningsmodell for klimagassutslipp i norske kommuner. 

      Weydahl, Torleif; Grythe, Henrik; Haug, Tormod Wergeland; Høyem, Harald (NILU rapport;28/2018, Research report, 2018)
      NILU og Urbanet Analyse har på oppdrag fra Miljødirektoratet utviklet modellen NERVE («Norwegian Emissions from Road Vehicle Exhaust») for klimagassutslipp fra veitrafikken i norske kommuner. NERVE beregner klimagassutslipp ...
    • hackAIR: Towards raising awareness about air quality in Europe by developing a collective online platform 

      Kosmidis, Evangelos; Syropoulou, Panagiota; Tekes, Stavros; Schneider, Philipp; Spyromitros-Xioufis, Eleftherios; Riga, Marina; Charitidis, Polychronis; Moumtzidou, Anastasia; Papadopoulos, Symeon; Vrochidis, Stefanos; Kompatsiaris, Ioannis; Stavrakas, Ilias; Hloupis, George; Loukidis, Andronikos; Kourtidis, Konstantinos; Georgoulias, Aristeidis K.; Alexandri, Georgia (Journal article; Peer reviewed, 2018)
      Although air pollution is one of the most significant environmental factors posing a threat to human health worldwide, air quality data are scarce or not easily accessible in most European countries. The current work aims ...
    • 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 ...
    • Towards a Nested Exposure Model for organic contaminants (NEM) 

      Breivik, Knut; MacLeod, Matthew; Wania, Frank; Eckhardt, Sabine (Journal article; Peer reviewed, 2018)
    • Seasonality of aerosol optical properties in the Arctic 

      Schmeisser, Lauren; Backman, John; Ogren, John A.; Andrews, Elisabeth; Asmi, Eija; Starkweather, Sandra; Uttal, Taneil; Fiebig, Markus; Sharma, Sangeeta; Eleftheriadis, Kostas; Vratolis, Stergios; Bergin, Michael; Tunved, Peter; Jefferson, Anne (Journal article; Peer reviewed, 2018)
      Given the sensitivity of the Arctic climate to short-lived climate forcers, long-term in situ surface measurements of aerosol parameters are useful in gaining insight into the magnitude and variability of these climate ...
    • Mesospheric nitric acid enhancements during energetic electron precipitation events simulated by WACCM‐D 

      Orsolini, Yvan; Smith-Johnsen, Christine; Marsh, Daniel R.; Stordal, Frode; Rodger, Craig J.; Verronen, Pekka T.; Clilverd, Mark A. (Journal article; Peer reviewed, 2018)
    • Insights into possibilities for grouping and read-across for nanomaterials in EU chemicals legislation 

      Mech, A.; Rasmussen, K.; Jantunen, P.; Aicher, L.; Alessandrelli, M.; Bernauer, U.; Bleeker, E. A. J.; Bouillard, J.; Di Prospero Fanghella, P.; Draisci, R.; Dusinska, Maria; Encheva, G.; Flament, G.; Haase, A.; Handzhiyski, Y.; Herzberg, F.; Huwyler, J.; Jacobsen, N.R.; Jeliazkov, V.; Jeliazkova, N.; Nymark, P.; Grafström, R.; Oomen, A. G.; Polci, M. L.; Riebeling, C.; Sandström, J.; Shivachev, B.; Stateva, S.; Tanasescu, S.; Tsekovska, R.; Wallin, Håkan; Wilks, M. F.; Zellmer, S.; Apostolova, M. D. (Journal article; Peer reviewed, 2018)
      This paper presents a comprehensive review of European Union (EU) legislation addressing the safety of chemical substances, and possibilities within each piece of legislation for applying grouping and read-across approaches ...