Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2016, Vol. 13, No. 1, pp. 161-168
Research of dynamics dates of snow cover disappearance in the Northern Kazakhstan
A.M. Kauazov
1 , A.S. Dara
1 , M.Zh. Batyrbayeva
1 , I.S. Vitkovskaya
1 , N.R. Muratova
1 , V.G. Salnikov
2 , G.K. Turulina
2 , S.E. Polyakova
2 , L.F. Spivak
3 , S.I. Turebayeva
1 1 National Center of Space Research and Technologies, Almaty, Kazakhstan
2 Al-Farabi Kazakh National University, Almaty, Kazakhstan
3 Dubna International University, Dubna, Moscow Region, Russia
Accepted: 19.01.2016
DOI: 10.21046/2070-7401-2016-13-1-161-168
The paper investigates changes in timing of snow cover loss in Northern Kazakhstan. Climatic features of snow cover in the territory of Northern Kazakhstan derived from thematic interpretation of NOAA/AVHRR data of 1982-2012 are presented. Data on changes in snow cover loss timing and its dynamics over the past 30 years are provided. Analysis of satellite maps and comparisons with the average longterm ground data for the past 30 years demonstrated changes in the dates of snow cover melt and loss and in characteristics of snow spatial distribution. Statistical data on snow cover loss from 4 ground meteorological stations (Kostanay, Petropavlovsk, Kokchetav and Astana) were processed, final terms of snow cover loss in the territory of Northern Kazakhstan were established. A trend for an earlier loss of snow cover by 7–10 days over the past 30 years was revealed.
Keywords: snow cover loss, map, area, timing of snow cover loss, trend, meteorological station, remote sensing, satellite, NOAA/AVHRR
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