MODELING THE EFFECT OF HILL SLOPE LENGTH ON FEATURES OF RILL EROSION BASED ON INCOMPLETE GAMMA FUNCTION IN AHMAD-ABAD, MASHHAD

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HOSSEINI S.M.; MOSAEDI A.; NASERI K.; GOLKARIAN A.

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Journal: Journal of Water and Soil Year:2013 | Volume:26 | Issue:5 Page(s): 1215-1225

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Title

MODELING THE EFFECT OF HILL SLOPE LENGTH ON FEATURES OF RILL EROSION BASED ON INCOMPLETE GAMMA FUNCTION IN AHMAD-ABAD, MASHHAD

Author(s)

HOSSEINI S.M. | MOSAEDI A. | NASERI K. | GOLKARIAN A. | Issue Writer Certificate

Keywords

RILL EROSIONQ2

HILL SLOPE LENGTHQ2

SOIL TEXTUREQ2

INCOMPLETE GAMMA FUNCTIONQ2

AHMAD ABAD- MASHHADQ2

Abstract

RILL EROSION due to run off on hill slopes is a kind of water erosion which causes the highest soil loss in world-wide scale. Since the length of hill slope is one of the most effective factors in erosion, in this research, the variation of width, depth, cross-section, and frequency of rills were evaluated on the length of hill slops. In addition, soil components were evaluated due to the variation of HILL SLOPE LENGTH. Some hill slopes with pronounced rills were chosen in Ahmad-Abad location and on each slope, fifty-meter –transect was selected with the distances of 10, 20, 30, 40 and 50 meters and the features of rills were measured. As the routine models of linear regression have not been fitted to the observed data, the INCOMPLETE GAMMA FUNCTION was used to obtain logical relation between HILL SLOPE LENGTH and mentioned parameters. Therefore, this model were fitted well to all parameters, except to the frequency of rills and the mean amounts of clay (p<0.05). With increasing the length of hill slope, mean amounts of silt, depth and cross-section of rills were increased, but the mean amounts of sand was decreased. Meanwhile, first the mean width of rills were increased, then decreased.

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APA: Copy

HOSSEINI, S.M., MOSAEDI, A., NASERI, K., & GOLKARIAN, A.. (2013). MODELING THE EFFECT OF HILL SLOPE LENGTH ON FEATURES OF RILL EROSION BASED ON INCOMPLETE GAMMA FUNCTION IN AHMAD-ABAD, MASHHAD. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 26(5), 1215-1225. SID. https://sid.ir/paper/141106/en

Vancouver: Copy

HOSSEINI S.M., MOSAEDI A., NASERI K., GOLKARIAN A.. MODELING THE EFFECT OF HILL SLOPE LENGTH ON FEATURES OF RILL EROSION BASED ON INCOMPLETE GAMMA FUNCTION IN AHMAD-ABAD, MASHHAD. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2013;26(5):1215-1225. Available from: https://sid.ir/paper/141106/en

IEEE: Copy

S.M. HOSSEINI, A. MOSAEDI, K. NASERI, and A. GOLKARIAN, “MODELING THE EFFECT OF HILL SLOPE LENGTH ON FEATURES OF RILL EROSION BASED ON INCOMPLETE GAMMA FUNCTION IN AHMAD-ABAD, MASHHAD,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 26, no. 5, pp. 1215–1225, 2013, [Online]. Available: https://sid.ir/paper/141106/en

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