中国水土保持科学2013，Vol.11Issue(4)：1-8,8.
皇甫川流域降水和人类活动对水沙变化的定量分析
Impacts of precipitation and human activities on streamflow and sediment load in the Huangfuchuan Watershed
摘要
Abstract
Based on hydrologic analysis this paper quantitatively researched the contribution of precipitation and human activities on streamflow and sediment load.The present study applied simple linear regression,Mann-Kendall test,accumulative annual anomaly and flow duration curve method to investigate the variation of streamflow and sediment load in the Huangfuchuan Watershed in the middle reaches of the Yellow River according to the measurement data from 1955 to 2010.Significant reduction in both streamflow and sediment load were detected,as well as abrupt changing point in 1979 was found.Average annual streamflow and sediment load during 2000 and 2010 are extremely low,accounting for only 20％ of those from 1950 to 1959.Human activities accounted for approximately 70％ of reduction in streamflow and sediment load,and the remains was attributed to decreased precipitation.Since the early 1980s,a series of large-scale soil and water conservation measures (e.g.returning cropland to forests,grassland,terracing,reservoirs and check-dams construction) are the dominant factors leading to significant reduction in streamflow and sediment load in the Huangfuchuan Watershed.关键词
水沙变化/降水/人类活动/水土保持措施/皇甫川流域Key words
variation in streamflow and sediment load/ precipitation/ human activities/ soil and water conservation measures/ Huangfuchuan Watershed分类
天文与地球科学引用本文复制引用
赵广举,穆兴民,温仲明,王飞,高鹏..皇甫川流域降水和人类活动对水沙变化的定量分析[J].中国水土保持科学,2013,11(4):1-8,8.基金项目
中国科学院地理科学与资源研究所陆地水循环及地表过程重点实验室开放基金"基于PCRaster的黄土高原流域水沙模型开发与应用"(WL2011004) （WL2011004）
中国科学院重点部署项目"近百年黄土高原侵蚀环境与水沙变化"(KZZD-EW-04-03) （KZZD-EW-04-03）
中国科学院2011年"西部之光"项目"气候变化与人类活动对皇甫川水沙变化贡献的定量评价"(2011ZD03) （2011ZD03）
