Application of the modified universal soil loss equation (MUSLE) in prediction of sediment yield (Case study: Kengir Watershed, Iran)

被引：31

作者：

Arekhi, Saleh ^{[1
]}

Shabani, Afshin ^{[2
]}

Rostamizad, Ghobad ^{[3
]}

机构：

[1] Ilam Univ, Coll Agr, Watershed Management Dept, Ilam, Iran

[2] Univ Tehran, Fac Geog, Tehran, Iran

[3] Univ Tehran, Fac Nat Resources, Karaj, Iran

来源：

ARABIAN JOURNAL OF GEOSCIENCES | 2012年 / 5卷 / 06期

关键词：

MUSLE; Sediment yield; Kengir watershed; Iyvan; Storm event; EROSION; RISK;

D O I：

10.1007/s12517-010-0271-6

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Modified Universal Soil Loss Equation (MUSLE) application study is undertaken in order to estimate the sediment yield of the Kengir watershed in Iyvan City, Ilam Province, Iran. The runoff factor of MUSLE is computed using the measured values of runoff and peak rate of runoff at outlet of the watershed. Topographic factor (LS) and crop management factor(C) are determined using geographic information system (GIS) and field-based survey of land use/land cover. The conservation practice factor (P) is obtained from the literature. Sediment yield at the outlet of the study watershed is simulated for six storm events spread over the year 2000 and validated with the measured values. The high coefficient of determination value (0.99) indicates that MUSLE model sediment yield predictions are satisfactory for practical purposes.

引用

页码：1259 / 1267

页数：9

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