Interdecadal Change of Winter Snow Depth on Tibetan Plateau and Its Effect on Summer Precipitation in China

A set of consecutive and long-recorded observational snow depth data with 51 observation stations are obtained through choosing,removing and interpolating original observation data in the Tibetan Plateau during 1961-2006.Using the monthly precipitation and temperature data at 160 stations in China during 1951-2006,which was collected by National Climate Center,through calculating the correlation coefficient,significance test,polynomial trend fitting,composited analysis and abrupt change test and so on,the interdecadal change of winter snow on Tibetan Plateau and its relationship to summer precipitation and temperature in China,and to tropospheric atmospheric temperature,the general circulation and the East Asian summer monsoon under the background of global warming are studied.