Article
Article name Temporal variability of atmospheric precipitation in the Issyk-Kul basin
Authors
Bibliographic description Satylkanov R. Temporal variability of atmospheric precipitation in the Issyk-Kul basin // Transbaikal State University Journal, 2017, vol. 23, no. 10, pp. 29-37. DOI: 10.21209/2227-9245-2017-23-10-29-37.
Category Earth science
DOI 551,582 (575,2)
DOI 10.21209/2227-9245-2017-23-10-29-37
Article type Original article
Annotation The article presents trends in atmospheric precipitation at meteorological stations of the Issyk-Kul basin, located at different heights. Analysis of the atmospheric precipitation distribution for two periods: 1972—1997; 1998— 2015 is given. It is shown that there are significant differences in the interannual distribution of precipitation in the Issyk-Kul basin. Using the example of the Chon-Kyzyl-Suu river basin, it has been established that a regular increase in the amount of precipitation takes place in the direction from the coastal zone to the glacial-nival belt and as the absolute heights increase. The total monthly rainfall values recovered from the altitude gradients of monthly precipitation for MC Kara-Batkak for the period from 1957 to 2016 are given. It is shown that in the glacial belt of mountains (above 4100 m), more than half of annual accumulation is formed by evaporation from internal sources of moisture. On the vertical profile of MS Kyzyl-Suu - MS Chon-Kyzyl-Suu - glacier Kara-Batkak (basin of the Chon-Kyzyl-Suu river) the following percentage of lake moisture is noted: Kyzyl-Suu (height 1740 m) — 35 %, on the Chon-Kyzyl-Suu Mountains (altitude 2555 m) — 38 %, on the Kara-Batkak glacier (altitude 3400 m) — 6 %. Trends of rainfall on the lakeside plain are positive, at MS Chon-Kyzyl-Suu - unchanged, in the glacial-nival zone there is a slight decrease in the trend. The basic scientific activity of the Tien-Shan High Mountain Research Centre the successor of the Tien-Shan Physical Geographic Station (TSTFGS) is shown. Snow surveys, meteorological and hydrological observations in the Chon-Kyzyl-Suu river basin were restored within the framework of the CHARIS project carried out by the Glaciology Laboratory of the TSHMRC in 2013. The data of meteorological observations carried out by the TSHMRC in the basin of the Chon-Kyzyl-Suu river and in the Issyk-Kul basin for the period from 2007 to 2017 were used
Key words meteorological network; glacial belt; atmospheric precipitation; Issyk-Kul basin; Kara-Batkak glacier; Chon- Kyzyl-Suu; Kyzyl-Suu; Issyk-Kul; Tien-Shan High-Altitude Science Center; snow surveys; meteorological and hydrological observations
Article information
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Full articleTemporal variability of atmospheric precipitation in the Issyk-Kul basin