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