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Found 9268 publications. Showing page 1 of 371:

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Årsrapport 2023. Nasjonalt referanselaboratorium for luftkvalitetsmålinger.

Marsteen, Leif; Johnsrud, Mona; Hak, Claudia; Dauge, Franck Rene; Tørnkvist, Kjersti Karlsen

Denne rapporten oppsummerer oppgavene til Nasjonalt referanselaboratorium for luftkvalitetsmålinger (NRL), delkontrakt 1b, for året 2023. Dette er første årsrapport etter at ny kontrakt trådte i kraft 1. desember 2022.

NILU

2024

Årsrapport 2019

Solbakken, Christine Forsetlund (eds.)

NILU

2019

Zürich II Statement on Per- and Polyfluoroalkyl Substances (PFASs): Scientific and Regulatory Needs

DeWitt, Jamie C.; Glüge, Juliane; Cousins, Ian T.; Goldenman, Gretta; Herzke, Dorte; Lohmann, Rainer; Miller, Mark; Ng, Carla A.; Patton, Sharyle; Trier, Xenia; Vierke, Lena; Wang, Zhanyun; Adu-Kumi, Sam; Balan, Simona; Buser, Andreas M.; Fletcher, Tony; Haug, Line Småstuen; Huang, Jun; Kaserzon, Sarit; Leonel, Juliana; Sheriff, Ishmail; Shi, Ya-Li; Valsecchi, Sara; Scheringer, Martin

American Chemical Society (ACS)

2024

Zurich statement on future actions on per-and polyfluoroalkyl substances (PFASs)

Ritscher, Amélie; Wang, Zhanyun; Scheringer, Martin; Boucher, Justin M.; Ahrens, Lutz; Berger, Urs; Bintein, Sylvain; Bopp, Stephanie K.; Borg, Daniel; Buser, Andreas M.; Cousins, Ian; DeWitt, Jamie; Fletcher, Tony; Green, Christopher; Herzke, Dorte; Higgins, Christopher; Huang, Jun; Hung, Hayley; Knepper, Thomas; Lau, Christopher S.; Leinala, Eeva; Lindstrom, Andrew B.; Liu, Jinxia; Miller, Mark; Ohno, Koichi; Perkola, Noora; Shi, Yali; Haug, Line Småstuen; Trier, Xenia; Valsecchi, Sara; van der Jagt, Katinka; Vierke, Lena

Per- and polyfluoroalkyl substances (PFASs) are man-made chemicals that contain at least one perfluoroalkyl moiety, –CnF2n–. To date, over 4,000 unique PFASs have been used in technical applications and consumer products, and some of them have been detected globally in human and wildlife biomonitoring studies. Because of their extraordinary persistence, human and environmental exposure to PFASs will be a long-term source of concern. Some PFASs such as perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) have been investigated extensively and thus regulated, but for many other PFASs, knowledge about their current uses and hazards is still very limited or missing entirely. To address this problem and prepare an action plan for the assessment and management of PFASs in the coming years, a group of more than 50 international scientists and regulators held a two-day workshop in November, 2017. The group identified both the respective needs of and common goals shared by the scientific and the policy communities, made recommendations for cooperative actions, and outlined how the science–policy interface regarding PFASs can be strengthened using new approaches for assessing and managing highly persistent chemicals such as PFASs.

2018

Zurich Statement on Future Actions on Per- and Polyfluoroalkyl Substances (PFASs)

Wang, Z.; Ritscher, A.; Scheringer, M.; Boucher, J.; Ahrens, L.; Berger, U.; Bintein, S.; Bopp, S.; Borg, D.; Buser, A.; Cousins, Ian; DeWitt, J. C.; Fletcher, T; Green, C.; Herzke, Dorte; Higgins, C. P.; Huang, J.; Hung, H.; Knepper, T. P.; Lau, C.; Leinala, E.; Lindstrom, A.; Liu, J.; Miller, M.; Ohno, K.; Perkola, N.; Shi, Y; Haug, Line Småstuen; Trier, X.; Valsecchi, S.; van der Jagt, K.; Vierke, L.

2019

Zeppelinobservatoriet på Svalbard

Tørseth, Kjetil (interview subject); Andreassen, Rune Nordgård (journalist)

2019

Your Car Is Spewing Microplastics That Blow Around the World

Evangeliou, Nikolaos (interview subject); Simon, Matt (journalist)

2020

Year-Round In Situ Measurements of Arctic Low-Level Clouds: Microphysical Properties and Their Relationships With Aerosols

Koike, Makoto; Ukita, Jinro; Ström, Johan; Tunved, Peter; Shiobara, Masataka; Vitale, Vito; Lupi, Angelo; Baumgardner, D.; Ritter, Christoph; Hermansen, Ove; Yamada, K.; Pedersen, Christina Alsvik

Two years of continuous in situ measurements of Arctic low‐level clouds have been made at the Mount Zeppelin Observatory (78°56′N, 11°53′E), in Ny‐Ålesund, Spitsbergen. The monthly median value of the cloud particle number concentration (Nc) showed a clear seasonal variation: Its maximum appeared in May–July (65 ± 8 cm−3), and it remained low between October and March (8 ± 7 cm−3). At temperatures warmer than 0 °C, a clear correlation was found between the hourly Nc values and the number concentrations of aerosols with dry diameters larger than 70 nm (N70), which are proxies for cloud condensation nuclei (CCN). When clouds were detected at temperatures colder than 0 °C, some of the data followed the summertime Nc to N70 relationship, while other data showed systematically lower Nc values. The lidar‐derived depolarization ratios suggested that the former (CCN‐controlled) and latter (CCN‐uncontrolled) data generally corresponded to clouds consisting of supercooled water droplets and those containing ice particles, respectively. The CCN‐controlled data persistently appeared throughout the year at Zeppelin. The aerosol‐cloud interaction index (ACI = dlnNc/(3dlnN70)) for the CCN‐controlled data showed high sensitivities to aerosols both in the summer (clean air) and winter–spring (Arctic haze) seasons (0.22 ± 0.03 and 0.25 ± 0.02, respectively). The air parcel model calculations generally reproduced these values. The threshold diameters of aerosol activation (Dact), which account for the Nc of the CCN‐controlled data, were as low as 30–50 nm when N70 was less than 30 cm−3, suggesting that new particle formation can affect Arctic cloud microphysics.

American Geophysical Union (AGU)

2019

WP3 Data Management. Powerpoint presentation. Powerpoint presentation. NILU F

Vik, A.F.; Krognes, T.; Walker, S.E.; Bårde, T.; Paltiel, R.

2005

WP10 - ACTRIS Data Centre

Myhre, C.L.; Mona, L.; O'Connor, E.J.; Descloitres, J.

2015

WP 4 MASURIN. The Urber Tool. NILU OR

Jablonska, H.; Wathne, B.; Guerreiro, C.; Bjørkenes, A.; Kompala, J.; Lipowczan, A.; Swider, J.; Wywiol, P.

2004

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