题　  目：Ice cover on the Morskie Oko Lake as an indicator of climate warming in the Tatra Mountains (Southern Poland)

报 告 人：Dr. Leszek Sobkowiak/苏磊

　  Adam Mickiewicz University, Faculty of Geographical and Geological Sciences, Department of Hydrology and Water Resources Management, Poznan, Poland

时 间：6月4日（周五） 上午 10：00

地 点：地理科学馆411会议室

Abstract: Contemporary climate warming is reflected among others in changes on hydrological processes, including their scope, magnitude and frequency of occurrence. In Poland climate changes are indicated, among others, by increasing temperatures of the autumn-winter period. Symptoms of climate warming can be clearly seen in mountain areas with ongoing glacial processes. It seems that in mountains with no glaciers the ice cover on lakes, in particular its thickness and duration of ice phenomena may serve as an indicator of tendencies of climate changes. However, it has to be remembered that changes of lake ice cover reflect not only the influence of meteorological conditions, but also the influence of water circulation within the lake basin. The research aims at analysis of tendencies of changes of ice phenomena on the Morskie Oko Lake in the Tatra Mountains in Southern Poland in relation to air temperature recorded in winter over the many years' period 1971-2007.

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