MODELING RAINFALL EROSIVITY FACTOR FOR SINGLE SHOWERS: A CASE STUDY IN KHUZESTAN PROVINCE, IRAN

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BEHZADFAR M.; MORADI H.R.; SADEGHI S.H.R.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF HUMANITIES (THE JOURNAL OF HUMANITIES) Year:2005 | Volume:12 | Issue:3 Page(s): 41-49

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Title

MODELING RAINFALL EROSIVITY FACTOR FOR SINGLE SHOWERS: A CASE STUDY IN KHUZESTAN PROVINCE, IRAN

Author(s)

BEHZADFAR M. | MORADI H.R. | SADEGHI S.H.R. | Issue Writer Certificate

Keywords

RAINFALL PARAMETERSQ4

EROSIVITYQ4

REGRESSIONQ4

KHUZESTAN PROVINCEQ4

IRANQ4

Abstract

This study tries to investigate relationship between RAINFALL PARAMETERS and USLE R factor. To gain R-factor, at first, shower kinetic energy was calculated and then its EROSIVITY computed by using maximum 30 minutes rainfall intensity. Therefore 3 meteorological stations in KHUZESTAN PROVINCE and one station per Kohgiloyeh & BoyerAhmad and Boushehr provinces were selected and their recorded hyetographs of 13 years were analyzed. For any hyetographs, rainfall EROSIVITY was computed in anyone month, season, or year and corresponding RAINFALL PARAMETERS were extracted too. Temporal and spatial variation of rainfall EROSIVITY was studied and relationships between R factor and rainfall characteristics were investigated by using REGRESSION analysis. It was resulted that February to March and winter season has the most EROSIVITY risk. Spatial analysis of rainfall EROSIVITY in selected area showed that Dezful and Ramhormuz have the maximum EROSIVITY factor.Mean annual EROSIVITY factor of KHUZESTAN PROVINCE was computed 28.07 ton.m/ha.h. REGRESSION analysis showed strong relationships between rainfall amount (mm) and maximum 30 minutes rainfall intensity (cm/h) with R factor. A model that computes R-factor by means of rainfall amount was suggested.

Cites

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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APA: Copy

BEHZADFAR, M., MORADI, H.R., & SADEGHI, S.H.R.. (2005). MODELING RAINFALL EROSIVITY FACTOR FOR SINGLE SHOWERS: A CASE STUDY IN KHUZESTAN PROVINCE, IRAN. INTERNATIONAL JOURNAL OF HUMANITIES (THE JOURNAL OF HUMANITIES), 12(3), 41-49. SID. https://sid.ir/paper/78264/en

Vancouver: Copy

BEHZADFAR M., MORADI H.R., SADEGHI S.H.R.. MODELING RAINFALL EROSIVITY FACTOR FOR SINGLE SHOWERS: A CASE STUDY IN KHUZESTAN PROVINCE, IRAN. INTERNATIONAL JOURNAL OF HUMANITIES (THE JOURNAL OF HUMANITIES)[Internet]. 2005;12(3):41-49. Available from: https://sid.ir/paper/78264/en

IEEE: Copy

M. BEHZADFAR, H.R. MORADI, and S.H.R. SADEGHI, “MODELING RAINFALL EROSIVITY FACTOR FOR SINGLE SHOWERS: A CASE STUDY IN KHUZESTAN PROVINCE, IRAN,” INTERNATIONAL JOURNAL OF HUMANITIES (THE JOURNAL OF HUMANITIES), vol. 12, no. 3, pp. 41–49, 2005, [Online]. Available: https://sid.ir/paper/78264/en

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