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    • Monitoring of greenhouse gases and aerosols at Svalbard and Birkenes in 2019. Annual report. 

      Myhre, Cathrine Lund; Svendby, Tove Marit; Hermansen, Ove; Lunder, Chris Rene; Platt, Stephen Matthew; Fiebig, Markus; Fjæraa, Ann Mari; Hansen, Georg Heinrich; Schmidbauer, Norbert; Krognes, Terje (NILU report;16/2020, Research report, 2020)
      The report summarizes the activities and results of the greenhouse gas monitoring at the Zeppelin Observatory, situated on Svalbard in Arctic Norway, during the period 2001-2019, and the greenhouse gas monitoring and aerosol ...

    • Monitoring of environmental contaminants in air and precipitation. Annual report 2019. 

      Bohlin-Nizzetto, Pernilla; Aas, Wenche; Nikiforov, Vladimir (NILU report;6/2020, Research report, 2020)
      This report presents environmental monitoring data from 2019 and time-trends for the Norwegian programme for Long-range atmospheric transported contaminants. The results cover 200 organic compounds (regulated and non-regulated), ...

    • Grenseområdene Norge-Russland. Luft- og nedbørkvalitet, årsrapport 2019. 

      Berglen, Tore Flatlandsmo; Nilsen, Anne-Cathrine; Våler, Rita Larsen; Vadset, Marit; Uggerud, Hilde Thelle; Andresen, Erik (NILU rapport;18/2020, Research report, 2020)
      Smelteverkene i nordvest-Russland slipper ut store mengder svoveldioksid (SO2) og tungmetaller. Utslippene påvirker luft- og nedbørkvalitet i grenseområdene. Miljøovervåkingen viser at grenseverdier for SO2 er overholdt i ...

    • Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2019. 

      Svendby, Tove Marit; Hansen, Georg Heinrich; Bäcklund, Are; Nilsen, Anne-Cathrine (NILU report;11/2020, Research report, 2020)
      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 ...

    • A comprehensive quantification of global nitrous oxide sources and sinks 

      Tian, Hanqin; Xu, Rongting; Canadell, Josep G.; Thompson, Rona Louise; Winiwarter, Wilfried; Suntharalingam, Parvadha; Davidson, Eric A.; Ciais, Philippe; Jackson, Robert B.; Janssens-Maenhout, Greet; Prather, Michael J.; Regnier, Pierre; Pan, Naiqing; Pan, Shufen; Peters, Glen Philip; Shi, Hao; Tubiello, Francesco N.; Zaehle, Sönke; Zhou, Feng; Arneth, Almut; Battaglia, Gianna; Berthet, Sarah; Bopp, Laurent; Bouwman, Alexander F.; Buitenhuis, Erik T.; Chang, Jinfeng; Chipperfield, Martyn P.; Dangal, Shree R, S,; Dlugokencky, Edward; Elkins, James W.; Eyre, Bradley D.; Fu, Bojie; Hall, Bradley; Ito, Akihiko; Joos, Fortunat; Krummel, Paul B.; Landolfi, Angela; Laruelle, Goulven G.; Lauerwald, Ronny; Li, Wei; Lienert, Sebastian; Maavara, Taylor; Macleod, Michael; Millet, Dylan B.; Olin, Stefan; Patra, Prabir K.; Prinn, Ronald G.; Raymond, Peter A.; Ruiz, Daniel J.; van der Werf, Guido R.; Vuichard, Nicolas; Wang, Junjie; Weiss, Ray F.; Wells, Kelley C.; Wilson, Chris; Yang, Jia; Yao, Yuanzhi (Peer reviewed; Journal article, 2020)
      Nitrous oxide (N2O), like carbon dioxide, is a long-lived greenhouse gas that accumulates in the atmosphere. Over the past 150 years, increasing atmospheric N2O concentrations have contributed to stratospheric ozone ...

    • Ground-based measurements of total ozone column amount with a multichannel moderate-bandwidth filter instrument at the Troll research station, Antarctica 

      Sztipanov, Milos; Tumeh, Lubna; Li, Wei; Svendby, Tove Marit; Kylling, Arve; Dahlback, Arne; Stamnes, Jakob J.; Hansen, Georg Heinrich; Stamnes, Knut (Peer reviewed; Journal article, 2020)
      Combining information from several channels of the Norwegian Institute for Air Research (NILU-UV) irradiance meter, one may determine the total ozone column (TOC) amount. A NILU-UV instrument has been deployed and operated ...

    • A global analysis of climate-relevant aerosol properties retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories 

      Laj, Paolo; Bigi, Alessandro; Rose, Clemence; Andrews, Elisabeth; Myhre, Cathrine Lund; Coen, Martine Collaud; Lin, Yong; Wiedensohler, Alfred; Schulz, Michael; Ogren, John A.; Fiebig, Markus; Gliss, Jonas; Mortier, Augustin; Pandolfi, Marco; Petäjä, Tuukka; Kim, Sang-Woo; Aas, Wenche; Putaud, Jean-Philippe; Mayol-Bracero, Olga; Keywood, Melita; Labrador, Lorenzo; Aalto, Pasi; Ahlberg, Erik; Arboledas, Lucas Alados; Alastuey, Andrés; Andrade, Marcos; Artiñano, Begoña; Ausmeel, Stina; Arsov, Todor; Asmi, Eija; Backman, John; Baltensperger, Urs; Bastian, Susanne; Bath, Olaf; Beukes, Johan Paul; Brem, Benjamin T.; Bukowiecki, Nicolas; Conil, Sébastien; Couret, Cedric; Day, Derek; Dayantolis, Wan; Degorska, Anna; Eleftheriadis, Konstantinos; Fetfatzis, Prodromos; Favez, Olivier; Flentje, Harald; Gini, Maria I.; Gregorič, Asta; Gysel-Beer, Martin; Hallar, A. Gannet; Hand, Jenny; Hoffer, András; Hueglin, Christoph; Hooda, Rakesh K.; Hyvärinen, Antti; Kalapov, Ivo; Kalivitis, Nikos; Kasper-Giebl, Anne; Kim, Jeong Eun; Kouvarakis, Giorgos; Kranjc, Irena; Krejci, Radovan; Kulmala, Markku; Labuschagne, Casper; Lee, Hae-Jung; Lihavainen, Heikki; Lin, Neng-Huei; Löschau, Gunter; Luoma, Krista; Marinoni, Angela; Dos Santos, Sebastiao Martins; Meinhardt, Frank; Merkel, Maik; Metzger, Jean-Marc; Mihalopoulos, Nikolaos; Nguyen, Nhat Anh; Ondráček, Jakub; Pérez, Noemi; Perrone, Maria Rita; Petit, Jean-Eudes; Picard, David; Pichon, Jean-Marc; Pont, Veronique; Prats, Natalia; Prenni, Anthony; Reisen, Fabienne; Romano, Salvatore; Sellegri, Karine; Sharma, Sangeeta; Schauer, Gerhard; Sheridan, Patrick; Sherman, James Patrick; Schütze, Maik; Schwerin, Andreas; Sohmer, Ralf; Sorribas, Mar; Steinbacher, Martin; Sun, Junying; Titos, Gloria; Toczko, Barbara; Tuch, Thomas; Tulet, Pierre; Tunved, Peter; Vakkari, Ville; Velarde, Fernando; Velasquez, Patricio; Villani, Paolo; Vratolis, Sterios; Wang, Sheng-Hsiang; Weinhold, Kay; Weller, Rolf; Yela, Margarita; Yus-Diez, Jesus; Ždímal, Vladimir; Zieger, Paul; Ziková, Naděžda (Peer reviewed; Journal article, 2020)
      Aerosol particles are essential constituents of the Earth's atmosphere, impacting the earth radiation balance directly by scattering and absorbing solar radiation, and indirectly by acting as cloud condensation nuclei. In ...

    • Solar UV radiation measurements in Marambio, Antarctica, during years 2017–2019 

      Aun, Margit; Lakkala, Kaisa; Sanchez, Ricardo; Asmi, Eija; Nollas, Fernando; Meinander, Outi; Sogacheva, Larisa; De Bock, Veerle; Arola, Antti; de Leeuw, Gerrit; Aaltonen, Veijo; Bolsee, David; Cizkova, Klara; Mangold, Alexander; Metelka, Ladislav; Jakobson, Erko; Svendby, Tove Marit; Gillotay, Didier; Van Opstal, Bert (Peer reviewed; Journal article, 2020)
      In March 2017, measurements of downward global irradiance of ultraviolet (UV) radiation were started with a multichannel GUV-2511 radiometer in Marambio, Antarctica (64.23∘ S; 56.62∘ W), by the Finnish Meteorological ...

    • AeroCom phase III multi-model evaluation of the aerosol life cycle and optical properties using ground- and space-based remote sensing as well as surface in situ observations 

      Gliss, Jonas; Mortier, Augustin; Schulz, Michael; Andrews, Elisabeth; Balkanski, Yves; Bauer, Susanne E.; Benedictow, Anna Maria Katarina; Bian, Huisheng; Checa-Garcia, Ramiro; Chin, Mian; Ginoux, Paul; Griesfeller, Jan; Heckel, Andreas; Kipling, Zak; Kirkevåg, Alf; Kokkola, Harri; Laj, Paolo G.; Sager, Philippe Le; Lund, Marianne Tronstad; Myhre, Cathrine Lund; Matsui, Hitoshi; Myhre, Gunnar; Neubauer, David; Noije, Twan van; North, Peter; Oliviè, Dirk Jan Leo; Remy, Samuel; Sogacheva, Larisa; Takemura, Toshihiko; Tsigaridis, Kostas; Tsyro, Svetlana (Peer reviewed; Journal article, 2021)
      Within the framework of the AeroCom (Aerosol Comparisons between Observations and Models) initiative, the state-of-the-art modelling of aerosol optical properties is assessed from 14 global models participating in the phase ...

    • Evaluation and optimization of ICOS atmosphere station data as part of the labeling process 

      Yver-Kwok, Camille; Philippon, Camille; Bergamaschi, Peter; Biermann, Tobias; Calzolari, Francescopiero; Chen, Huilin; Conil, Sébastien; Cristofanelli, Paolo; Delmotte, Marc; Hatakka, Juha; Heliasz, Michal; Hermansen, Ove; Kominkova, Katerina; Kubistin, Dagmar; Kumps, Nicolas; Laurent, Olivier; Laurila, Tuomas; Lehner, Irene; Levula, Janne; Lindauer, Matthias; Lopez, Morgan; Mammarella, Ivan; Manca, Giovanni; Marklund, Per; Metzger, Jean-Marc; Mölder, Meelis; Platt, Stephen Matthew; Ramonet, Michel; Rivier, Leonard; Scheeren, Bert; Sha, Mahesh Kumar; Smith, Paul; Steinbacher, Martin; Vitkova, Gabriela; Wyss, Simon (Peer reviewed; Journal article, 2021)
      The Integrated Carbon Observation System (ICOS) is a pan-European research infrastructure which provides harmonized and high-precision scientific data on the carbon cycle and the greenhouse gas budget. All stations have ...

    • Optimization of a low flow sampler for improved assessment of gas and particle bound exposure to chlorinated paraffins 

      Al Saify, Insam; Cioni, Lara; van Mourik, Louise M.; Brandsma, Sicco H.; Warner, Nicholas Alexander (Peer reviewed; Journal article, 2021)
      An optimized low volume sampler was developed to determine both gas- and particle bound concentrations of short and medium-chain chlorinated paraffins (S/MCCPs). Background contamination was limited by the sampler design, ...

    • Alpine Ice‐Core Evidence of a Large Increase in Vanadium and Molybdenum Pollution in Western Europe During the 20th Century 

      Arienzo, Monica M.; Legrand, Michel; Preunkert, Susanne; Stohl, Andreas; Chellman, Nathan J; Eckhardt, Sabine; Gleason, Kelly E.; McConnell, Joseph R. (Peer reviewed; Journal article, 2021)
      Pollutants emitted by industrial processes are deposited across the landscape. Ice core records from mid-latitude glaciers located close to emission sources document the history of local-to-regional pollution since ...

    • Pan-European rural monitoring network shows dominance of NH3 gas and NH4NO3 aerosol in inorganic atmospheric pollution load 

      Tang, Y. Sim; Flechard, Chris R.; Dämmgen, Ulrich; Vidic, Sonja; Djuricic, Vesna; Mitosinkova, Marta; Uggerud, Hilde Thelle; Sanz, Maria J.; Simmons, Ivan; Dragosits, Ulrike; Nemitz, Eiko; Twigg, Marsailidh; van Dijk, Netty; Fauvel, Yannick; Sanz, Francisco; Ferm, Martin; Perrino, Cinzia; Catrambone, Maria; Leaver, David; Braban, Christine F.; Cape, J. Neil; Heal, Mathew R.; Sutton, Mark A. (Peer reviewed; Journal article, 2021)
      A comprehensive European dataset on monthly atmospheric NH3, acid gases (HNO3, SO2, HCl), and aerosols (NH+4, NO−3, SO2−4, Cl−, Na+, Ca2+, Mg2+) is presented and analysed. Speciated measurements were made with a low-volume ...

    • Maternal transfer and occurrence of siloxanes, chlorinated paraffins, metals, PFAS and legacy POPs in herring gulls (Larus argentatus) of different urban influence 

      Knudtzon, Nina Cathrine; Thorstensen, Helene; Ruus, Anders; Helberg, Morten; Bæk, Kine; Enge, Ellen Katrin; Borgå, Katrine (Peer reviewed; Journal article, 2021)
      Urban herring gulls (Larus argentatus) are exposed to contaminants from aquatic, terrestrial and anthropogenic sources. We aim to assess if differences in urbanisation affect ecological niche and contaminant concentrations ...

    • Fluorescent Nanocomposites: Hollow Silica Microspheres with Embedded Carbon Dots 

      Delic, Asmira; Mariussen, Espen; Roede, Erik Dobloug; Krivokapic, Alexander; Erbe, Andreas; Lindgren, Mikael; Benelmekki, Maria; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2021)
      Intrinsically fluorescent carbon dots may form the basis for a safer and more accurate sensor technology for digital counting in bioanalytical assays. This work presents a simple and inexpensive synthesis method for producing ...

    • Appropriate Assimilation Methods for Air Quality Prediction and Pollutant Emission Inversion. An Urban Data Assimilation Systems Report. 

      Hamer, Paul David; Walker, Sam-Erik; Schneider, Philipp (NILU report;25/2020, Research report, 2021)
      This report presents a review of data assimilation methods applicable to air quality. In the introduction, we first describe a brief history of data assimilation method development in the context of numerical weather ...

    • Assessment of Low-Cost Particulate Matter Sensor Systems against Optical and Gravimetric Methods in a Field Co-Location in Norway 

      Vogt, Matthias; Schneider, Philipp; Castell, Nuria; Hamer, Paul David (Peer reviewed; Journal article, 2021)
      The increased availability of commercially-available low-cost air quality sensors combined with increased interest in their use by citizen scientists, community groups, and professionals is resulting in rapid adoption, ...

    • Main sources controlling atmospheric burdens of persistent organic pollutants on a national scale 

      Halvorsen, Helene Lunder; Bohlin-Nizzetto, Pernilla; Eckhardt, Sabine; Gusev, Alexey; Krogseth, Ingjerd Sunde; Möckel, Claudia; Shatalov, Victor; Skogeng, Lovise Pedersen; Breivik, Knut (Peer reviewed; Journal article, 2021)
      National long-term monitoring programs on persistent organic pollutants (POPs) in background air have traditionally relied on active air sampling techniques. Due to limited spatial coverage of active air samplers, questions ...

    • Eastward-Propagating Planetary Waves Prior to the January 2009 Sudden Stratospheric Warming 

      Rhodes, Christian Todd; Limpasuvan, Varavut; Orsolini, Yvan J. (Peer reviewed; Journal article, 2021)
      Eastward-propagating planetary waves (EPWs) were investigated prior to the boreal January 2009 major sudden stratospheric warming (SSW) event simulated by the National Center for Atmospheric Research's Whole Atmosphere ...

    • MercuNorth – monitoring mercury in pregnant women from the Arctic as a baseline to assess the effectiveness of the Minamata Convention 

      Adlard, Bryan; Lemire, Mélanie; Bonefeld-Jørgensen, Eva Cecilie; Long, Manhai; Ólafsdóttir, Kristín; Odland, Jon Øyvind; Rautio, Arja; Myllynen, Päivi; Sandanger, Torkjel M; Dudarev, Alexey A.; Bergdahl, Ingvar A.; Wennberg, Maria; Berner, James; Ayotte, Pierre (Peer reviewed; Journal article, 2021)
      Exposure to mercury (Hg) is a global concern, particularly among Arctic populations that rely on the consumption of marine mammals and fish which are the main route of Hg exposure for Arctic populations.The MercuNorth ...