ASSESSMENT OF SOIL EROSION AND WATERSHED PRIORITIZATION USING EMPIRICAL MODELS EPM AND MPSIAC (CASE STUDY: ARO WATERSHED)

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BAYAT R.; ROSTAMI M.

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2016 | Volume:7 | Issue:1 Page(s): 19-32

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Information Journal Paper

Title

ASSESSMENT OF SOIL EROSION AND WATERSHED PRIORITIZATION USING EMPIRICAL MODELS EPM AND MPSIAC (CASE STUDY: ARO WATERSHED)

Author(s)

BAYAT R. | ROSTAMI M. | Issue Writer Certificate

Keywords

ARO WATERSHEDQ1

EPM MODELQ1

MPSIAC MODELQ1

PRIORITIZATIONQ2

SEDIMENTQ1

SOIL EROSIONQ1

Abstract

Identification, evaluation and PRIORITIZATION of different areas can produce valuable information for the watershed comprehensive plans, soil conservation and mitigation of the erosion types based on amount of erosion and SEDIMENTation. This study used the MPSIAC and EPM MODELs as a comparison and PRIORITIZATION to estimate erosion and SEDIMENT in the ARO WATERSHED Basin. Required data regarding the natural characteristics of studying the watershed basin was provided from comprehensive studies of Hableh-Rood basin and field studies. By using the required factors, the amount of erosion was calculated in both the models. In the MPSIAC MODEL, erosion was calculated to be 451 m3/km2/y, whereas SEDIMENT was calculated as 233 m3/km2/y. However, the rate of erosion in the EPM MODEL was estimated to be 378 m3/km2/y and for SEDIMENT, it was 200 m3/km2/y. The results showed that in some sub basins there was good correlation between the MPSIAC and EPM MODELs, however in areas with high erosion the EPM MODEL has less certainty than the MPSIAC MODEL. The highest area was moderate class in the both of models and both of erosion and SEDIMENT in terms of spatial distribution. The results showed that EPM and MPSIAC MODEL have not good agreement in the all classes. PRIORITIZATION of the hydrologic units showed that A4 unit in the EPM MODEL and A-1-4-3 unit in the MPSIAC MODEL allocated maximum of amount of erosion and deposition, in this area.

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APA: Copy

BAYAT, R., & ROSTAMI, M.. (2016). ASSESSMENT OF SOIL EROSION AND WATERSHED PRIORITIZATION USING EMPIRICAL MODELS EPM AND MPSIAC (CASE STUDY: ARO WATERSHED). NATURAL ECOSYSTEMS OF IRAN, 7(1), 19-32. SID. https://sid.ir/paper/215242/en

Vancouver: Copy

BAYAT R., ROSTAMI M.. ASSESSMENT OF SOIL EROSION AND WATERSHED PRIORITIZATION USING EMPIRICAL MODELS EPM AND MPSIAC (CASE STUDY: ARO WATERSHED). NATURAL ECOSYSTEMS OF IRAN[Internet]. 2016;7(1):19-32. Available from: https://sid.ir/paper/215242/en

IEEE: Copy

R. BAYAT, and M. ROSTAMI, “ASSESSMENT OF SOIL EROSION AND WATERSHED PRIORITIZATION USING EMPIRICAL MODELS EPM AND MPSIAC (CASE STUDY: ARO WATERSHED),” NATURAL ECOSYSTEMS OF IRAN, vol. 7, no. 1, pp. 19–32, 2016, [Online]. Available: https://sid.ir/paper/215242/en

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