天山山区水汽输送气候特征

应用2000～2011年NCEP/NCAR再分析逐日6h 1 1资料，分析了新疆天山山区对流层不同层次空中水汽输送特征，结果表明：(1)天山山区地面～100 hPa每年平均有11504.1×108t水汽输入，11337.0×108t水汽输出，水汽净收支为167.1×108t，其中西、北边界为输入，东、南边界为输出，对流层中层水汽输送量最大，低层次之，高层最小。天山山区水汽总输入量占全新疆水汽输入量的44.1%。(2)各季节中夏季水汽输送量最大，春季、秋季相当，冬季最小，西边界、北边界均为水汽输入边界，东边界、南边界均为水汽输出边界，对流层中层水汽输入量最大。

Climate Characteristics of Water Vapor Transportation

Using the daily NCEP/ NCAR 6h 11 reanalysis data from 2000 to 2011, the features of water vapor transportation of different layers over Tianshan Mountains Area of Xinjiang are analyzed. The results are as follows:1.From surface to 100hPa, 11504.1. 8×108 t water vapor (WV) input Tianshan Mountains Area and 11337. 0 ×108 t WV export from Tianshan Mountains Area per year , as a r esult, annual net WV earning quantity is 167. 1 ×108 t.The west and north of the border as input, east and south of the border to export,water vapor transportation quantity ( WVTQ) of middle layer is the most.Tianshan Mountainous Area of total WV input accounted for the entire Xinjiang WV input 44.1%.2. Each season in summer maximum amount of water vapor transport in spring and autumn, quite winter minimum, the western boundary, the northern border are water vapor input boundary, the eastern boundary of the south boundary are water vapor output boundary, the middle tropospheric water vapor input.