IDENTIFICATION OF CRITICAL SEDIMENT PRODUCTION REGIONS YIELD IN CHEHELCHAI WATERSHED USING SWAT MODEL

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AREFI ASL A.; NAJAFINEJAD A.; KIANI F.; SALMAN MAHINI A.

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Journal: Journal of Water and Soil Conservation Year:2013 | Volume:20 | Issue:5 Page(s): 193-205

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Title

IDENTIFICATION OF CRITICAL SEDIMENT PRODUCTION REGIONS YIELD IN CHEHELCHAI WATERSHED USING SWAT MODEL

Author(s)

AREFI ASL A. | NAJAFINEJAD A. | KIANI F. | SALMAN MAHINI A. | Issue Writer Certificate

Keywords

CRITICAL REGIONSQ2

SEDIMENTATIONQ2

SWATQ2

CHEHELCHAI WATERSHEDQ1

Abstract

Chehelchai watershed in Golestan Province, northeast of Iran, covers steep slopes in a mountainous region and has been facing forest cover change to dry farming leading to accelerated soil erosion. This necessitates a holistic management approach to the watershed and to this end, we need good estimation of soil erosion and SEDIMENTATION. The aim of this study is application of SWAT which has performed well in similar studies- for modeling erosion distribution over the entire watershed. Our results indicated rainfed agriculture comprising 14.64% of the watershed and located on slopes 8-50% steep is producing the highest average weighted amount of erosion and sediments (25 tons per hectares). Hence, the rainfed agriculture is considered as the highest priority for management practices. The average weighted erosion and sediment yield were estimated at 9.26 t ha-1y-1 using the SWAT model. The sediment leaving the watershed was estimated at 7.71 t ha-1y-1 using the model. Based on the reasonable results we obtained from the application of the model concerning location and mount of erosion, we recommend its application to manage CHEHELCHAI WATERSHED for erosion and SEDIMENTATION control.

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APA: Copy

AREFI ASL, A., NAJAFINEJAD, A., KIANI, F., & SALMAN MAHINI, A.. (2013). IDENTIFICATION OF CRITICAL SEDIMENT PRODUCTION REGIONS YIELD IN CHEHELCHAI WATERSHED USING SWAT MODEL. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 20(5), 193-205. SID. https://sid.ir/paper/156314/en

Vancouver: Copy

AREFI ASL A., NAJAFINEJAD A., KIANI F., SALMAN MAHINI A.. IDENTIFICATION OF CRITICAL SEDIMENT PRODUCTION REGIONS YIELD IN CHEHELCHAI WATERSHED USING SWAT MODEL. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2013;20(5):193-205. Available from: https://sid.ir/paper/156314/en

IEEE: Copy

A. AREFI ASL, A. NAJAFINEJAD, F. KIANI, and A. SALMAN MAHINI, “IDENTIFICATION OF CRITICAL SEDIMENT PRODUCTION REGIONS YIELD IN CHEHELCHAI WATERSHED USING SWAT MODEL,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 20, no. 5, pp. 193–205, 2013, [Online]. Available: https://sid.ir/paper/156314/en

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