An Event-Based Sediment Yield and Runoff Modeling Using Soil Moisture Balance/Budgeting (SMB) Method

被引:16
|
作者
Gupta, Sushindra Kumar [1 ]
Tyagi, Jaivir [2 ]
Sharma, Gunwant [1 ]
Jethoo, A. S. [1 ]
Singh, P. K. [3 ]
机构
[1] Malaviya Natl Inst Technol, Dept Civil Engn, Jaipur 302017, Rajasthan, India
[2] Natl Inst Hydrol, Surface Water Hydrol Div, Roorkee 247667, Uttar Pradesh, India
[3] Natl Inst Hydrol, Water Resources Syst Div, Roorkee 247667, Uttar Pradesh, India
关键词
Sediment yield model; Rainfall-runoff model; SMB; Watershed; CURVE NUMBER; STORM DURATION;
D O I
10.1007/s11269-019-02329-1
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The Soil Conservation Service Curve Number (SCS-CN) method is frequently used for the estimation of direct surface runoff depth from the small watersheds. Coupling the SCS-CN method with the Soil Moisture Balance (SMB) method, new simple 2-parameters rainfall-runoff model and 3-parametrs rainfall-sediment yield models are derived for computation of runoff and sediment yield respectively. The proposed runoff (R2) and sediment yield (S2) models have been tested on a large set of rainfall-runoff and sediment yield data (98 storm events) obtained from twelve watersheds from different land use/land cover, soil and climatic conditions. The improved runoff (R2) and sediment yield (S2) models show superior results as compared to the existing Mishra et al. (S1) and original SCS-CN (R1) models. The results and analysis justify the use of the proposed models for field applications.
引用
收藏
页码:3721 / 3741
页数:21
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