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THE ACIDITY OF ATMOSPHERIC PRECIPITATIONS AND DEPOSITIONS OF SULFUR AND NITROGEN IN THE RUSSIAN ARCTIC ACCORDING TO THE DATA OF SNOW COVER CHEMICAL COMPOSITION MONITORING
JOURNAL: No. 3(15) 2014, p. 46-51HEADING: Research activities in the Arctic
AUTHORS: Vetrov, V.V., Kuzovkin, V.V., Manzon, D.D.
ORGANIZATIONS: Yu. A. Izrael Institute of Global Climate and Environment
UDC: УДК 551.578.42+543.319.(470+570)
Keywords: nitrogen, acidification of atmospheric precipitations, monitoring of chemical composition of snow cover, monitoring points, pH, sulfur
Bibliographic description: Vetrov, V.V., Kuzovkin, V.V., Manzon, D.D. The acidity of atmospheric precipitations and depositions of sulfur and nitrogen in the Russian Arctic according to the data of snow cover chemical composition monitoring. Arctic: ecology and economy, 2014, no. 3(15), pp. 46-51. DOI: . (In Russian).
Abstract:
The results of observations under the ‘Monitoring of Snow Cover Chemical Composition in the Russian Arctic’ Program are presented. Various calculations were performed, and schematic maps of average рН indices and the intensity of sulfur and nitrogen depositions were generated for each monitoring point in regions with snowfalls in 2005-2013. The overall pattern of pH distribution in the snow cover demonstrates the absence of large-scale processes of snowfall acidifi cation in the Russian Arctic. The performed analysis of the dynamics of time variations of the intensity of atmospheric sulfur and nitrogen fluxes also indicates relative stability of these indices in the studied regions during 2005-2013. Mean values of indices determined in most regions of the Arctic Zone (except the Murmansk Region and Arctic regions of Krasnoyarskiy kray) correspond to the global background in atmospheric precipitations.
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