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[1]HE Xiaohui,ZHENG Zirui,GAO Yajun.Quantitative Research of Precipitation and Human Activities on Changes of Runoff in Beiluo River Basin[J].Research of Soil and Water Conservation,2017,24(03):125-129.

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Quantitative Research of Precipitation and Human Activities on Changes of Runoff in Beiluo River Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 03 Page number: 125-129 Column: Public date: 2017-06-28

Title:: Quantitative Research of Precipitation and Human Activities on Changes of Runoff in Beiluo River Basin

Author(s):: HE Xiaohui¹, ZHENG Zirui¹, GAO Yajun²; 1. School of Water Conservancy and Environment, Zhengzhou University, Zhengzhou 450001, China;
2. Hydrological Bureau of YRCC, Zhengzhou 450004, China

Keywords:: precipitation; human activity; runoff; hyperbolic statistics; AWY model

CLC:: P333

DOI:: -

Abstract:: Runoff can be affected by precipitation and human activities, and how to separate their individual hydrological effects of water is a hot issue. We found the change-point of Beiluo River Basin using the method of Mann-Kendall rank correlation, according to the measured data of precipitation and run-off from 1954 to 2011. On this basis, we used hyperbolic statistics and AWY (annual water yield) model methods to separate the measured runoff changes caused by rainfall and human activity, respectively. The results showed that the measured runoff presented the trend of decrease, and there was a mutation in 2004; human activity was the main cause of runoff reduction in the river basin, the influence quantity of human activity was 6.4 mm, the contribution rate was 56% according to hyperbolic statistics; the influence quantity of human activity was 7.6 mm, the contribution rate was 67% based on AWY model method.

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