泾河合水川流域近50年径流演变特征及影响因素分析
陈锡云, 郭东静, 高晓栋, 金双彦

Runoff Evolution and Its Impacting Factors in the Heshuichuan Basin of the Jinghe River in the Past 50 Years
Xiyun Chen, Dongjing Guo, Xiaodong Gao, Shuangyan Jin
表1 合水川流域年降雨量和径流深变化趋势的Mann-Kendall检验结果
Table 1 Changing trend of annual precipitation and runoff detected by Mann-Kendall test in the Heshuichuan Basin
时间段 Z Ρ β(mm/a)
降雨 径流 降雨 径流 降雨 径流
1964~1978 -1.09 -1.09 0.86 0.86 -6.13 -0.59
1979~2003 0.77 0.30 0.22 0.38 3.08 0.06
2004~2011 1.11 -0.10 0.13 0.50 4.63 -0.18
1964~2011 -0.04 -0.93 0.52 0.77 -0.04 -0.10