Volume 16, Issue 42 (12-2016)                   jgs 2016, 16(42): 177-195 | Back to browse issues page

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Madadi A, Piroozi E. estimation of Soil erosion and sediement yield in Lay Chay basin. jgs 2016; 16 (42) :177-195
URL: http://jgs.khu.ac.ir/article-1-2694-en.html
1- , aghil48madadi@yahoo.com
Abstract:   (4595 Views)

The purpose of this study is erosion and sediment is estimated in whole of Lay watershed, located in the North Wast of Iran.In this study, the model of WEPP, was provided for simulation and forecast of erosion and sedimentation in the study watershed. The data required for WEPP model are entered in six files, including soil file, management, climate, slope, channel and pounds files. In this study, after determining of work units, the information for developing file were collected. In this region there are, 3 types of soil, 2 managements  and 5 channel types. After making the files, WEPP model was run via Geowepp software. It is notable that in this software water erosion and sediment amount was estimated by three methodes of hillslope, watershed and fow path. In these methods sediments estimated were 0.308, 0.215, 0.491 tha-1 y-1, respectively. According to estimated results, the hillslpe with 0.308  tha-1 y-1 was in good agreement with actual amount 0.319 and is suitable for the erosion and sediment of  Lay watershed.

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Type of Study: Research |
Received: 2016/12/25 | Accepted: 2016/12/25

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