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Macrocirculaton processes responsible for precipitation in Altai
Author(s): N. S. Malygina; T. V. Barlyaeva; T. S. Papina; N. Yu. Kurepina; N. A. Ryabchinskaya; A. N. Eirikh
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Paper Abstract

The estimation of precipitation change in the Altai (1959-2015) was carried out using the Mann-Kendall-Sneyers test. It was found that the variation of precipitation has a step change point occurred in 1980. During the first interval (1959- 1980), the trend was mostly positive, whereas during the second interval (1981-2015) it was constantly negative. The step change point of precipitation in the Altai coincides with the beginning of the «Zonal epoch Elementary Circulation Mechanisms – ECM» for Siberian sector according to the Dzerdzeevskii classification. To clarify the role of various ECM in the Altai precipitation, we calculated the contribution of the ECM, which correspond to Siberian sector, into the changes of precipitation trends. It was found that the most significant contribution into the change of precipitation regime in the Altai was provided by the «West zonal and Southern meridional» Circulation group.

Paper Details

Date Published: 30 November 2017
PDF: 4 pages
Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1046662 (30 November 2017); doi: 10.1117/12.2287385
Show Author Affiliations
N. S. Malygina, Institute for Water and Environmental Problems (Russian Federation)
T. V. Barlyaeva, Lab. d'Astrophysique de Marseille UMR 7326, CNRS-INSU (France)
T. S. Papina, Institute for Water and Environmental Problems (Russian Federation)
N. Yu. Kurepina, Institute for Water and Environmental Problems (Russian Federation)
N. A. Ryabchinskaya, Altai State Univ. (Russian Federation)
A. N. Eirikh, Institute for Water and Environmental Problems (Russian Federation)


Published in SPIE Proceedings Vol. 10466:
23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Gennadii G. Matvienko; Oleg A. Romanovskii, Editor(s)

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