EVALUATING EROSIVITY INDICES OF THE USLE, MUSLE, RUSLE AND USLE-M MODELS IN SOILS OF A SEMI-ARID REGION IN NORTHWEST OF IRAN

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VAEZI A.R.; BAHRAMI H.A.; SADEGHI S.H.R.; MAHDIAN M.H.

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Paper Information

Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2008 | Volume:2 | Issue:4 Page(s): 25-37

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Title

EVALUATING EROSIVITY INDICES OF THE USLE, MUSLE, RUSLE AND USLE-M MODELS IN SOILS OF A SEMI-ARID REGION IN NORTHWEST OF IRAN

Author(s)

VAEZI A.R. | BAHRAMI H.A. | SADEGHI S.H.R. | MAHDIAN M.H. | Issue Writer Certificate

Keywords

EROSIVITY INDEXQ3

USLEQ3

MUSLEQ3

RUSLEQ3

USLE_MQ3

HASHTROODQ3

Abstract

Erosivity defines power of erosive factors in detachment of soil particles. The study was conducted to determine the proper EROSIVITY INDEX based on USLE, MUSLE, RUSLE and USLE-M models. Field experiments were carried out in the dry-farming lands in a zone with 30 km in dimension, in Hashtroud located in north west of Iran from March 2005 to March 2007. In the study area, 36 agriculture lands were considered and three standard plots were installed in each land. Runoff and soil loss were measured under 41 natural rainfall events causing runoff during the two-year period. EROSIVITY INDEX in the models was calculated based on rainfall and runoff data. Results indicated that runoff has the highest correlation with the EROSIVITY INDEX of the USLE-M with a determination coefficient of 99%. Based on the results, the EROSIVITY INDEX of the USLE model is the best appropriate EROSIVITY INDEX (R2=0.88, p<0.001) for predicting soil loss in the study area. To make an easy prediction of the soil loss in the studied semi-arid region, the kinetic energy index of the reinfall can be reliably used (R2=0.80, p<0.001).

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APA: Copy

VAEZI, A.R., BAHRAMI, H.A., SADEGHI, S.H.R., & MAHDIAN, M.H.. (2008). EVALUATING EROSIVITY INDICES OF THE USLE, MUSLE, RUSLE AND USLE-M MODELS IN SOILS OF A SEMI-ARID REGION IN NORTHWEST OF IRAN. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 2(4), 25-37. SID. https://sid.ir/paper/134867/en

Vancouver: Copy

VAEZI A.R., BAHRAMI H.A., SADEGHI S.H.R., MAHDIAN M.H.. EVALUATING EROSIVITY INDICES OF THE USLE, MUSLE, RUSLE AND USLE-M MODELS IN SOILS OF A SEMI-ARID REGION IN NORTHWEST OF IRAN. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2008;2(4):25-37. Available from: https://sid.ir/paper/134867/en

IEEE: Copy

A.R. VAEZI, H.A. BAHRAMI, S.H.R. SADEGHI, and M.H. MAHDIAN, “EVALUATING EROSIVITY INDICES OF THE USLE, MUSLE, RUSLE AND USLE-M MODELS IN SOILS OF A SEMI-ARID REGION IN NORTHWEST OF IRAN,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 2, no. 4, pp. 25–37, 2008, [Online]. Available: https://sid.ir/paper/134867/en

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