乌鲁木齐河流域的季节积雪受气温、降水量、水汽来向、山坡朝向、海拔和下垫面性质所控制和影响,具有明显的空间变化规律。
The seasonal snow cover in Urumqi River Basin varies temperally, influenced by air temperature, precipitation, moisture source, slope direction, elevation and ground surface condition.
云南降水量的正态统计分布一方面具有一定的区域性特征,另一方面又具有较强的局地性,不同的月份同一测站降水量的正态性不同。
At the same time, the Yunnan's precipitation normal distribution has some regional features and local ones. The different month in same station has different normal distribution characteristics.
利用1 951年至1 996年地面气象记录资料,计算了我国全年和季节降水量长期变化趋势特征指数。
By using surface data from 1951 to 1996, the long term change trend index of annual and seasonal precipitation of China is calculated.
利用1 951年至1 996年地面气象记录资料,计算了我国全年和季节降水量长期变化趋势特征指数。
By using surface data from 1951 to 1996, the long term change trend index of annual and seasonal precipitation of China is calculated.
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