EVALUATION OF THE WETSPA MODEL PERFORMANCE IN SIMULATING SOIL EROSION AND SUSPENDED SEDIMENT TRANSPORT IN TALEGHAN WATERSHED

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MORADIPOUR SH.; ZEINIVAND H.; BAHREMAND A.; NAJAFINEJAD A.

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Journal: Journal of Water and Soil Science Year:2014 | Volume:18 | Issue:69 Page(s): 193-203

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Title

EVALUATION OF THE WETSPA MODEL PERFORMANCE IN SIMULATING SOIL EROSION AND SUSPENDED SEDIMENT TRANSPORT IN TALEGHAN WATERSHED

Author(s)

MORADIPOUR SH. | ZEINIVAND H. | BAHREMAND A. | NAJAFINEJAD A. | Issue Writer Certificate

Keywords

SIMULATIONQ2

SPATIALLY DISTRIBUTED HYDROLOGIC MODELQ2

WETSPAQ2

EROSION AND SEDIMENT TRANSPORTQ2

TALEGHAN WATERSHEDQ2

Abstract

Evaluation of hydrologic behaviour and soil erosion as an environmental crisis is important in order to maintain watershed ecological safety at optimum level. The aim of this study is to evaluate the performance of the distributed hydrological WETSPA model in simulating EROSION AND SEDIMENT TRANSPORT and also sedigraph in TALEGHAN WATERSHED, Iran. Base digital maps and daily meteorological time series data for 9 years are the major model inputs. The calibration of global parameters was done for the first 5 years and the model validation was carried out for 4 years considering three month warm-up period at the beginning of both calibration and validation periods. The Nash-Sutcliffe criterion for the calibration and validation periods pointed out the efficiency of model SIMULATION (82.7% and 79%, respectively). The next phase, the erosion module was calibrated for EROSION AND SEDIMENT TRANSPORT SIMULATION. The results showed the Nash-Sutcliffe efficiency criterion (60% and 64% for suspended sediment concentration and transport, respectively). Overall, the evaluation results reveal the good ability of WETSPA model in SIMULATION of the hydrological processes e.g., runoff, raindrop detachment, runoff detachment, net soil loss, etc., in a given time and space.

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APA: Copy

MORADIPOUR, SH., ZEINIVAND, H., BAHREMAND, A., & NAJAFINEJAD, A.. (2014). EVALUATION OF THE WETSPA MODEL PERFORMANCE IN SIMULATING SOIL EROSION AND SUSPENDED SEDIMENT TRANSPORT IN TALEGHAN WATERSHED. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 18(69), 193-203. SID. https://sid.ir/paper/15076/en

Vancouver: Copy

MORADIPOUR SH., ZEINIVAND H., BAHREMAND A., NAJAFINEJAD A.. EVALUATION OF THE WETSPA MODEL PERFORMANCE IN SIMULATING SOIL EROSION AND SUSPENDED SEDIMENT TRANSPORT IN TALEGHAN WATERSHED. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2014;18(69):193-203. Available from: https://sid.ir/paper/15076/en

IEEE: Copy

SH. MORADIPOUR, H. ZEINIVAND, A. BAHREMAND, and A. NAJAFINEJAD, “EVALUATION OF THE WETSPA MODEL PERFORMANCE IN SIMULATING SOIL EROSION AND SUSPENDED SEDIMENT TRANSPORT IN TALEGHAN WATERSHED,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 18, no. 69, pp. 193–203, 2014, [Online]. Available: https://sid.ir/paper/15076/en

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