• Validation of new satellite aerosol optical depth retrieval algorithm using Raman lidar observations at radiative transfer laboratory in Warsaw 

      Zawadzka, Olga; Stachlewska, Iwona S.; Markowicz, Krzysztof M.; Nemuc, Anca; Stebel, Kerstin (Journal article; Peer reviewed, 2018)
      During an exceptionally warm September of 2016, the unique, stable weather conditions over Poland allowed for an extensive testing of the new algorithm developed to improve the Meteosat Second Generation (MSG) Spinning ...
    • Validation of SMILES HCl profiles over a wide range from the stratosphere to the lower thermosphere 

      Nara, Seidai; Sato, Tomohiro O.; Yamada, Takayoshi; Fujinawa, Tamaki; Kuribayashi, Kota; Manabe, Takeshi; Froidevaux, Lucien; Livesey, Nathaniel J.; Walker, Kaley A.; Xu, Jian; Schreier, Franz; Orsolini, Yvan; Limpasuvan, Varavut; Kuno, Nario; Kasai, Yasuko (Peer reviewed; Journal article, 2020)
      Hydrogen chloride (HCl) is the most abundant (more than 95 %) among inorganic chlorine compounds Cly in the upper stratosphere. The HCl molecule is observed to obtain long-term quantitative estimations of the total budget ...
    • Validation of the FALL3D model for the 2008 Chaiten eruption using field and satellite data 

      Osores, Maria Soledad; Folch, Arnau; Collini, Estela; Villarosa, Gustavo; Durant, Adam John; Pujol, Gloria; Viramonte, José G. (Peer reviewed; Journal article, 2013)
      The 2008 Chaitén Volcano eruption began on 2 May 2008 with an explosive phase that injected large amounts of tephra into the atmosphere. During the first week of the eruption, volcanic ash clouds were transported for ...
    • Validation of the Sentinel-5 Precursor TROPOMI cloud data withCloudnet, Aura OMI O2–O2, MODIS, and Suomi-NPP VIIR 

      Compernolle, Steven; Argyrouli, Athina; Lutz, Ronny; Sneep, Maarten; Lambert, Jean-Christopher; Fjæraa, Ann Mari; Hubert, Daan; Keppens, Arno; Loyola, Diego; O'Connor, Ewan; Romahn, Fabian; Stammes, Piet; Verhoelst, Tijl; Wang, Ping (Peer reviewed; Journal article, 2021)
      Accurate knowledge of cloud properties is essential to the measurement of atmospheric composition from space. In this work we assess the quality of the cloud data from three Copernicus Sentinel-5 Precursor (S5P) TROPOMI ...
    • Validation of the TROPOspheric Monitoring Instrument (TROPOMI) surface UV radiation product 

      Lakkala, Kaisa; Kujanpää, Jukka; Brogniez, Colette; Henriot, Nicolas; Arola, Antti; Aun, Margit; Auriol, Frédérique; Bais, Alkiviadis F.; Bernhard, Germar; De Bock, Veerle; Catalfamo, Maxime; Deroo, Christine; Diémoz, Henri; Egli, Luca; Forestier, Jean-Baptiste; Fountoulakis, Ilias; Garane, Katerina; Garcia, Rosa Delia; Gröbner, Julian; Hassinen, Seppo; Heikkilä, Anu; Henderson, Stuart; Hülsen, Gregor; Johnsen, Bjørn; Kalakoski, Niilo; Karanikolas, Angelos; Karppinen, Tomi; Lamy, Kevin; León-Luis, Sergio F.; Lindfors, Anders V.; Metzger, Jean-Marc; Minvielle, Fanny; Muskatel, Harel B.; Portafaix, Thierry; Redondas, Alberto; Sanchez, Ricardo; Siani, Anna Maria; Svendby, Tove Marit; Tamminen, Johanna (Peer reviewed; Journal article, 2020)
      The TROPOspheric Monitoring Instrument (TROPOMI) onboard the Sentinel-5 Precursor (S5P) satellite was launched on 13 October 2017 to provide the atmospheric composition for atmosphere and climate research. The S5P is a ...
    • Validation practices for satellite soil moisture retrievals: What are (the) errors? 

      Gruber, Alexander; de Lannoy, Gabriëlle J.M; Albergel, Clément; Al-Yaari, Amen; Brocca, Luca; Calvet, Jean-Christophe; Colliander, Andreas; Cosh, Michael H.; Crow, Wade T.; Dorigo, Wouter Arnaud; Draper, Clara Sophie; Hirschi, Martin; Kerr, Yann H.; Konings, Alexandra G.; Lahoz, William A.; McColl, Kaighin Alexander; Montzka, Carsten; Muñoz-Sabater, Joaquín; Peng, Jian; Reichle, Rolf H.; Richaume, Philippe; Rüdiger, Christoph; Scanlon, Tracy; van der Schalie, Robin; Wigneron, Jean Pierre; Wagner, Wolfgang (Peer reviewed; Journal article, 2020)
      This paper presents a community effort to develop good practice guidelines for the validation of global coarse-scale satellite soil moisture products. We provide theoretical background, a review of state-of-the-art ...
    • 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 ...
    • Variations in tropospheric submicron particle size distributions across the European continent 2008-2009 

      Beddows, David C.S.; Dall'Osto, Manuel; Harrison, Roy M.; Kulmala, Markku; Asmi, Ari; Wiedensohler, Alfred; Laj, Paolo G.; Fjæraa, Ann Mari; Sellegri, Karine; Birmili, Wolfram; Bukowiecki, Nicolas; Weingartner, Ernest; Baltensperger, Urs; Ždimal, Vladimir; Ziková, Naděžda; Putaud, Jean-Philippe; Marinoni, Alessandra; Tunved, Peter; Hansson, Hans Christen; Fiebig, Markus; Kivekäs, Niku; Swietlicki, Erik; Lihavainen, Heikki; Asmi, Eija; Ulevičius, Vidmantas; Aalto, Pasi P.; Mihalopoulos, Nikolaos; Kalivitis, Nikos; Kalapov, Ivo; Kiss, Gabor; de Leeuw, Gerrit; Henzing, Bas; O'Dowd, Colin; Jennings, Stephen Gerard; Flentje, Harald; Meinhardt, Frank; Ries, Ludwig; Denier Van Der Gon, Hugo A.C.; Visschedijk, Antoon J.H. (Journal article; Peer reviewed, 2014)
    • Verifisering av skorsteinshøyder i forbindelse med utvidelse av aluminiumsmelteverket på Karmøy. 

      Tønnesen, Dag Arild (NILU rapport;15/2016, Research report, 2016)
      Beregninger for spredning av utslipp fra Karmøy Aluminiumverk er gjennomført for samlede utslipp fra et utvidet verk. Beregningene viser at grenseverdier for konsentrasjoner i omgivelsene overholdes med unntak av utslipp ...
    • Versailles project on advanced materials and standards (VAMAS) interlaboratory study on measuring the number concentration of colloidal gold nanoparticles 

      Minelli, Caterina; Wywijas, Magdalena; Bartczak, Dorota; Cuello-Nuñez, Susana; Infante, Heidi Goenaga; Deumer, Jerome; Gollwitzer, Christian; Krumrey, Michael; Murphy, Karen E.; Johnson, Monique E.; Bustos, Antonio R. Montoro; Strenge, Ingo H.; Faure, Bertrand; Høghøj, Peter; Tong, Vivian; Burr, Loïc; Norling, Karin; Höök, Fredrik; Roesslein, Matthias; Kocic, Jovana; Hendriks, Lyndsey; Kestens, Vikram; Ramaye, Yannic; Lopez, Maria C. Contreras; Auclair, Guy; Mehn, Dora; Gilliland, Douglas; Potthoff, Annegret; Oelschlägel, Kathrin; Tentschert, Jutta; Jungnickel, Harald; Krause, Benjamin C.; Hachenberger, Yves U.; Reichardt, Philipp; Luch, Andreas; Whittaker, Thomas E.; Stevens, Molly M.; Gupta, Shalini; Singh, Akash; Lin, Fang-Hsin; Liu, Yi-Hung; Costa, Anna Luisa; Baldisserri, Carlo; Jawad, Rid; Andaloussi, Samir E. L.; Holme, Margaret N.; Lee, Tae Geol; Kwak, Minjeong; Kim, Jaeseok; Ziebel, Johanna; Guignard, Cedric; Cambier, Sebastien; Contal, Servane; Gutleb, Arno; Tatarkiewicz, Jan; Jankiewicz, Bartlomiej J.; Bartosewicz, Bartosz; Wu, Xiaochun; Fagan, Jeffrey A.; Elje, Elisabeth; Rundén-Pran, Elise; Dusinska, Maria; Kaur, Inder Preet; Price, David; Nesbitt, Ian; O'Reilly, Sarah; Peters, Ruud J. B.; Bucher, Guillaume; Coleman, Dennis; Harrison, Angela J.; Ghanem, Antoine; Gering, Anne; McCarron, Eileen; Fitzgerald, Niamh; Cornelis, Geert; Tuoriniemi, Jani; Sakai, Midori; Tsuchida, Hidehisa; Maguire, Ciarán; Prina-Mello, Adriele; Lawlor, Alan J.; Adams, Jessica; Schultz, Carolin L.; Constantin, Doru; Thanh, Nguyen Thi Kim; Tung, Le Duc; Panariello, Luca; Damilos, Spyridon; Gavriilidis, Asterios; Lynch, Iseult; Fryer, Benjamin; Quevedo, Ana Carrazco; Guggenheim, Emily; Briffa, Sophie; Valsami-Jones, Eugenia; Huang, Yuxiong; Keller, A.; Kinnunen, Virva-Tuuli; Perämäki, Siiri; Krpetic, Zeljka; Greenwood, Michael; Shard, Alexander G. (Peer reviewed; Journal article, 2022)
      We describe the outcome of a large international interlaboratory study of the measurement of particle number concentration of colloidal nanoparticles, project 10 of the technical working area 34, “Nanoparticle Populations” ...
    • Very strong atmospheric methane growth in the four years 2014‐2017: Implications for the Paris Agreement 

      Nisbet, E. G.; Manning, M. R.; Dlugokencky, E. J.; Fisher, R. E.; Lowry, D.; Michel, S. E.; Myhre, Cathrine Lund; Platt, Stephen Matthew; Allen, G.; Bousquet, P.; Brownlow, R.; Cain, M.; France, J. L.; Hermansen, Ove; Hossaini, R.; Jones, A. E.; Levin, I.; Manning, A. C.; Myhre, Gunnar; Pyle, J. A.; Vaughn, B.; Warwick, N. J.; White, James W. C. (Journal article; Peer reviewed, 2019)
    • VOC measurements 2014 - 2015 

      Solberg, Sverre; Claude, Anja; Reimann, Stefan (EMEP/CCC-Report; 4/2017, Research report, 2017)
    • VOC measurements 2016 

      Solberg, Sverre; Claude, Anja; Reimann, Stefan (EMEP/CCC-Report;4/2018, Research report, 2018)
      This report presents VOC measurements carried out during 2016 at EMEP monitoring sites. In total, 19 sites reported VOC data from EMEP VOC sites this year. Some of the data sets are considered preliminary and are not ...
    • VOC measurements 2017 

      Solberg, Sverre; Claude, Anja; Reimann, Stefan (EMEP/CCC-Report;4/2019, Research report, 2019)
      This report presents VOC measurements carried out during 2017 at EMEP monitoring sites. In total, 20 sites reported VOC data from EMEP VOC sites this year. Some of the data sets are considered preliminary and are not ...
    • VOC measurements 2018 

      Solberg, Sverre; Claude, Anja; Reimann, Stefan; Sauvage, Stéphane (EMEP/CCC-Report;4/2020, Research report, 2020)
      This report presents VOC (volatile organic compound) measurements carried out during 2018 at EMEP monitoring sites. In total, 20 sites reported VOC-data from EMEP VOC sites this year. Some of the data-sets are considered ...
    • 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 ...
    • VOC measurements 2020 

      Solberg, Sverre; Claude, Anja; Reimann, Stefan; Sauvage, Stéphane; Walker, Sam-Erik (EMEP/CCC-Report;4/2022, Research report, 2022)
    • VOC measurements 2021 

      Solberg, Sverre; Claude, Anja; Reimann, Stefan; Walker, Sam-Erik (EMEP/CCC-Report;4/2023, Research report, 2023)
    • VOC measurements by PTR-ToF-MS at the Birkenes Observatory. A data summary report. 

      Langebner, Stephan; Mikoviny, Tomas; Müller, Markus; Wisthaler, Armin (NILU OR;1/2014, Research report, 2014)
      A high resolution proton-transfer-reaction time-of-flight mass spectrometer (PTR-ToF- MS) was used for on-line and real-time measurements of volatile organic compounds (VOCs) at the Birkenes Observatory in Southern Norway. ...
    • Volcanic ash infrared signature: Porous non-spherical ash particle shapes compared to homogeneous spherical ash particles 

      Kylling, Arve; Kahnert, Michael; Lindqvist, Hannakaisa; Nousiainen, Timo (Journal article; Peer reviewed, 2014)