Now showing items 381-400 of 3468

    • 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 ...
    • The Monitoring Nitrous Oxide Sources (MIN2OS) satellite project 

      Ricaud, Philippe; Attié, Jean-Luc; Chalinel, Rémi; Pasternak, Frédérick; Léonard, Joël; Pison, Isabelle; Pattey, Elizabeth; Thompson, Rona Louise; Zelinger, Zdenek; Lelieveld, Jos; Sciare, Jean; Saitoh, Naoko; Warner, Juying; Fortems-Cheiney, Audrey; Reynal, Hélène; Vidot, Jérôme; Brooker, Laure; Berdeu, Laurent; Saint-Pé, Olivier; Patra, Prabir K.; Dostál, Michal; Suchánek, Jan; Nevrlý, Václav; Zwaaftink, Christine Groot (Peer reviewed; Journal article, 2021)
      The Monitoring Nitrous Oxide Sources (MIN2OS) satellite project aims at monitoring global-scale nitrous oxide (N2O) sources by retrieving N2O surface fluxes from the inversion of space-borne N2O measurements that are ...
    • How Atmospheric Chemistry and Transport Drive Surface Variability of N2O and CFC-11 

      Ruiz, Daniel J.; Prather, Michael J.; Strahan, Susan E.; Thompson, Rona Louise; Froidevaux, Lucien; Steenrod, Stephen D. (Peer reviewed; Journal article, 2021)
      Nitrous oxide (N2O) is a long-lived greenhouse gas that affects atmospheric chemistry and climate. In this work, we use satellite measurements of N2O, ozone (O3), and temperature from the Aura Microwave Limb Sounder (MLS) ...
    • PM10/PM2.5 comparison exercise in Oslo, Norway. Study in 2015-2016 and 2018. 

      Marsteen, Leif; Hak, Claudia (NILU report;21/2021, Research report, 2021)
      The purpose of the comparison was to test for equivalence and establish calibration functions for automatic PM-analysers commonly used in Norway. The reference laboratory performed a field test at three different locations ...
    • Reviews and syntheses: Arctic fire regimes and emissions in the 21st century 

      McCarty, Jessica L.; Aalto, Juha; Paunu, Ville-Veikko; Arnold, Steve R.; Eckhardt, Sabine; Klimont, Zbigniew; Fain, Justin; Evangeliou, Nikolaos; Venäläinen, Ari; Tchebakova, Nadezhda M.; Parfenova, Elena I.; Kupiainen, Kaarle; Soja, Amber J.; Huang, Lin; Wilson, Simon (Peer reviewed; Journal article, 2021)
      In recent years, the pan-Arctic region has experienced increasingly extreme fire seasons. Fires in the northern high latitudes are driven by current and future climate change, lightning, fuel conditions, and human activity. ...
    • 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, ...
    • Ozone measurements 2019 

      Hjellbrekke, Anne-Gunn; Solberg, Sverre (EMEP/CCC-Report;2/2021, Research report, 2021)
    • Vurdering av CLEO for norske reindriftsutøvere 

      Fredriksen, Mirjam (NILU rapport;17/2021, Research report, 2021)
      Denne rapporten er en evaluering av Local Environmental Observer (LEO) Network ved bruk av erfaringene fra pilottestene utført i perioden 2016-2020 av arktiske akademikere, urfolksinstitusjoner og samisk samfunn i Norge. ...
    • Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2020. 

      Svendby, Tove Marit; Hansen, Georg Heinrich; Bäcklund, Are; Nilsen, Anne-Cathrine; Schulze, Dorothea; Johnsen, Bjørn (NILU report;18/2021, Research report, 2021)
      This report summarizes the results from the Norwegian monitoring programme on stratospheric ozone and UV radiation measurements. The ozone layer has been measured at three locations since 1979: In Oslo/Kjeller, Tromsø/Andøya ...
    • Moving forward in microplastic research: A Norwegian perspective 

      Lusher, Amy; Hurley, Rachel; Arp, Hans Peter H; Booth, Andy; Bråte, Inger Lise Nerland; Gabrielsen, Geir W.; Gomiero, Alessio; Gomes, Tania; Grøsvik, Bjørn Einar; Green, Norman; Haave, Marte; Hallanger, Ingeborg G.; Halsband, Claudia; Herzke, Dorte; Joner, Erik J; Kögel, Tanja; Rakkestad, Kirsten; Ranneklev, Sissel Brit; Wagner, Martin; Olsen, Marianne (Peer reviewed; Journal article, 2021)
      Given the increasing attention on the occurrence of microplastics in the environment, and the potential envi-ronmental threats they pose, there is a need for researchers to move quickly from basic understanding to applied ...
    • Calibration and assessment of electrochemical low-cost sensors in remote alpine harsh environments 

      Dallo, Frederico; Zannoni, Daniele; Gabrieli, Jacopo; Cristofanelli, Paolo; Calzolari, Francescopiero; de Blasi, Fabrizio; Spolaor, Andrea; Battistel, Dario; Lodi, Rachele; Cairns, Warren R. L.; Fjæraa, Ann Mari; Bonasoni, Paolo; Barbante, Carlo (Peer reviewed; Journal article, 2021)
      This work presents results from an original open-source low-cost sensor (LCS) system developed to measure tropospheric O3 in a remote high altitude alpine site. Our study was conducted at the Col Margherita Observatory ...
    • Impacts of UV irradiance and medium-energy electron precipitation on the North Atlantic oscillation during the 11-year solar cycle 

      Guttu, Sigmund; Orsolini, Yvan; Stordal, Frode; Otterå, Odd Helge; Omrani, Nour-Eddine; Tartaglione, Nazario; Verronen, Pekka T.; Rodger, Craig J.; Clilverd, Mark A. (Peer reviewed; Journal article, 2021)
      Observational studies suggest that part of the North Atlantic Oscillation (NAO) variability may be attributed to the spectral ultra-violet (UV) irradiance variations associated to the 11-year solar cycle. The observed ...
    • Data Report 2019. Particulate matter, carbonaceous and inorganic compounds. 

      Hjellbrekke, Anne-Gunn (EMEP/CCC-Report;1/2021, Research report, 2021)
    • Monitoring of environmental contaminants in air and precipitation. Annual report 2020. 

      Bohlin-Nizzetto, Pernilla; Aas, Wenche; Halvorsen, Helene Lunder; Nikiforov, Vladimir; Pfaffhuber, Katrine Aspmo (NILU report;12/2021, Research report, 2021)
      This report presents environmental monitoring data from 2020 and time-trends for the Norwegian programme for Long-range atmospheric transported contaminants. The results cover 200 organic compounds (regulated and non-regulated), ...
    • VOC measurements 2019 

      Solberg, Sverre; Claude, Anja; Reimann, Stefan; Sauvage, Stéphane (EMEP/CCC-Report;4/2021, Research report, 2021)
      This report presents VOC (volatile organic compound) measurements carried out during 2019 at EMEP monitoring sites. In total, 19 sites reported VOC-data from EMEP VOC sites this year. Some of the data-sets are considered ...
    • Spatial distribution of residential wood combustion emissions in the Nordic countries: How well national inventories represent local emissions? 

      Paunu, Ville-Veikko; Karvosenoja, Niko; Segersson, David; Lopez-Aparicio, Susana; Nielsen, Ole-Kenneth; Plejdrup, Marlene S.; Thorsteinsson, Throstur; Niemi, Jarkko V; Vo, Dam Thanh; van der Gon, Hugo A.C. Denier; Brandt, Jørgen; Geels, Camilla (Peer reviewed; Journal article, 2021)
      Residential wood combustion (RWC) is a major source of air pollutants in the Nordic and many other countries. The emissions of the pollutants have been estimated with inventories on several scopes, e.g. local and national. ...
    • The Community Inversion Framework v1.0: a unified system for atmospheric inversion studies 

      Berchet, Antoine; Sollum, Espen; Thompson, Rona Louise; Pison, Isabelle; Thanwerdas, Joel; Broquet, Grégoire; Chevallier, Frédéric; Aalto, Tuula; Berchet, Adrien; Bergamaschi, Peter; Brunner, Dominik; Engelen, Richard; Fortems-Cheiney, Audrey; Gerbig, Christoph; Zwaaftink, Christine Groot; Haussaire, Jean-Matthieu; Henne, Stephan; Houweling, Sanne; Karstens, Ute; Kutsch, Werner L.; Luijkx, Ingrid T.; Monteil, Guillaume; Palmer, Paul I.; van Peet, Jacob C. A.; Peters, Wouter; Peylin, Philippe; Potier, Elise; Rödenbeck, Christian; Saunois, Marielle; Scholze, Marko; Tsuruta, Aki; Zhao, Yuanhong (Peer reviewed; Journal article, 2021)
      Atmospheric inversion approaches are expected to play a critical role in future observation-based monitoring systems for surface fluxes of greenhouse gases (GHGs), pollutants and other trace gases. In the past decade, the ...
    • The who, why and where of Norway’s emissions from tourist travel 

      Grythe, Henrik; Lopez-Aparicio, Susana (Journal article, 2021)
      We present emissions from Norway’s tourist travel by the available transport modes, i.e., aviation, maritime (ferries and cruises) and land-based transport (road and railways). Our study includes detailed information on ...
    • Luftforurensninger i Oslo vinteren 1969/70 

      Joranger, Einar; Skogvold, Odd F.; Thyvold, Mads J.; Grønskei, Knut Erik (NILU OR;15/70, Research report, 1970)
    • NILUs overvåkingsprogrammer for SFT. Stasjonsbeskrivelser pr. 1.5.1990. 

      Hagen, Leif Otto; Berg, Thor Christian; Joranger, Einar; Larssen, Steinar; Ofstad, Thor (NILU OR;56/90, Research report, 1990)
      Rapporten gir en oversikt over målestasjoner som inngår i NILUs måleprogrammer for SFT under Statlig program for forurensningsovervåking. For hver stasjon er det gitt en beskrivelse av plasseringen og forhold som har ...