雪盖与径流的相关性分析——以玛纳斯河为例

选用2000年11月～2009年4月玛纳斯河上游流域所涉及的MOD10A2数据作为遥感数据源和同一时期的玛纳斯河径流数据,研究了雪盖与径流相关性。结果表明,3月的积雪覆盖率与当年4月径流相关系数为-0.817 5,并通过了显著水平0.005的检验;冬春季里最大月份的积雪覆盖率与次年6月径流的相关系数为-0.649 6,并通过了显著水平0.05的检验;12月份的平均积雪覆盖率与次年5月份径流的相关系数约为0.577 5,并通过了显著水平0.1的检验。

Correlation Analysis between the Snow Cover and Runoff of Manas River

According to the MOD10A2 remote sensing data in Manas River basin from November 2000 to April 2009,and the runoff data in the same period,the correlation between snow cover and runoff was studied.The results showed that the correlation coefficient between the snow cover rate in March and the runoff in April was-0.817 5,and has past a significant level of 0.005 test;the correlation coefficient between the most snow cover month in winter and spring and the following year runoff of June was-0.649 6,and has past through a significant level of 0.05 test;the correlation coefficient between the average snow coverage in December and the following year runoff in May was about 0.577 5,and has past through a significant level of 0.1 test.