Ammonia in the summertime Arctic marine boundary layer: sources, sinks, and implications
نویسندگان
چکیده
منابع مشابه
Summertime aerosol chemical components in the marine boundary layer of the Arctic Ocean
[1] Samples of aerosols from the marine boundary layer of the Arctic Ocean were collected aboard the R/V Xuelong during summer on the Second Chinese Arctic Research Expedition (July–September 2003). Synchrotron radiation X-ray fluorescence (SR-XRF) was used to determine chemical compositions of aerosol particles. Multivariate analysis of the SR-XRF data resolved a number of components (factors)...
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[1] The chemistry, morphology, and microscale to nanoscale structures of carbonaceous aerosols from the marine boundary layer of the Arctic Ocean were investigated by a variety of electron microscopy techniques, including scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), and energydispersive X-ray spectroscopy (EDS). The relative levels of particles o...
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Summertime Arctic shipboard observations of oxygenated volatile organic compounds (OVOCs) such as organic acids, key precursors of climatically active secondary organic aerosol (SOA), are consistent with a novel source of OVOCs to the marine boundary layer via chemistry at the sea surface microlayer. Although this source has been studied in a laboratory setting, organic acid emissions from the ...
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Ammonia sources and sinks in an intensively managed grassland using dynamic chambers M. David, B. Loubet, P. Cellier, M. Mattsson, J. K. Schjoerring, E. Nemitz, R. Roche, M. Riedo, and M. A. Sutton Institut National de la Recherche Agronomique, UMR Environnement et Grandes Cultures, 78850, Thiverval-Grignon, France Plant and Soil Science Laboratory, University of Copenhagen, Faculty of Life Sci...
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The boundary layer is the part of the atmosphere that is in direct contact with the ground via turbulent motion. At mid-latitudes the boundary layer is usually one or a few kilometers deep, while in the Arctic it is much more shallow, typically a few hundred meters or less. The reason is that here the absolute temperature increases in the lowest kilometer, making the boundary layer semi-permane...
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ژورنال
عنوان ژورنال: Atmospheric Chemistry and Physics
سال: 2016
ISSN: 1680-7324
DOI: 10.5194/acp-16-1937-2016