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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Thermal regime of moraine cover in the Adygene valley, Kyrgyz Range
 Martinásková, Daša ; Engel, Zbyněk (advisor) ; Uxa, Tomáš (referee)
The focus of this bachelor thesis is the thermal regime of the morain covering in the valley of river Adygine in Kyrgyz Range area in the northern Tien-Shan. The intention of this thesis is to evaluate the temperature measurements from the glacis zone of the Adygine glacier and to explicate the results with regards to the continuance of recent permanent snow line and permafrost area. In the area of interest, with altitude 3498 to 3659 m, two air temperature sensor and five thermistors with MINIKIN dataloggers were installed. The thermistors measure temperature in 15 and 30 cm depths below the surface of glacial accumulations. The surface layer of morains melts annually for three or five months, mean annuall ground temperature did not drop below -2řC and area of measurements is distinguished with weak freeze-thaw activity. The mean annual air temperature in year 2011 was -4,5 in 3653 m and -6,1řC in 3913 m altitude respectively. The comparsion of measured data with publicated average permafrost temperature data in nearby ranges of Tan-San mountains suggests, that area of interest is located in discontinuous mountain permafrost area. Zero isothermic line is located in approximately 2900m altitude. This is lower than the mountain permafrost level and so the base of glaciál forefront can be denoted as...
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