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[1]PAN Pei,LIU Ling,LIANG Wei.Usage Study of Non-point Source Pollution Model ANSWERS-2000’s Hydrology Sub-model[J].Research of Soil and Water Conservation,2008,15(01):103-106.

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Usage Study of Non-point Source Pollution Model ANSWERS-2000’s Hydrology Sub-model

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 01 Page number: 103-106 Column: Public date: 2008-02-20

Title:: Usage Study of Non-point Source Pollution Model ANSWERS-2000’s Hydrology Sub-model

Author(s):: PAN Pei^1,2, LIU Ling^1,2, LIANG Wei^1,2; 1. State Key Laboratory of Hydrology-water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China;
2. Hydrology and Water Resources College, Hohai University, Nanjing 210098, China

Keywords:: big-earth-groove; non-point pollution; ANSWERS-2000; Green-Ampt infiltration equation; crust thickness

CLC:: P343;X171

DOI:: -

Abstract:: Before the non-point pollution occurs, there are some pollutant and nutrition leached and, together with the runoff, rushed to downstream.In an indoor precipitation experiment, ANSWERS-2000 model (hydrology sub-model) were used to find out if it can model the rainfall-runoff process accurately and if it’s suitable for Chinese watershed, and giving out some suitable value of parameter in sub-model.It’s found out that given hydrology sub-model can model runoff process with letter errors, the value is systematicly bigger and the value of Manning roughness coefficient is located in 0.03~0.07.There are also some problems that crust thickness has no suitable value and the rainfall and runoff equipment has created some error in runoff modeling.

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