EVALUATING SEDIMENT DELIVERY RATIO ESTIMATION (SDR) METHODS UNDER DIFFERENT CLIMATIC CONDITIONS A CASE STUDY: IN THE MARKAZI PROVINCE WATERSHEDS

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AFSARY R.; GHODDOSI J.

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Paper Information

Journal: JOURNAL OF PHYSICAL GEOGRAPHY Year:2011 | Volume:4 | Issue:12 Page(s): 107-118

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Information Journal Paper

Title

EVALUATING SEDIMENT DELIVERY RATIO ESTIMATION (SDR) METHODS UNDER DIFFERENT CLIMATIC CONDITIONS A CASE STUDY: IN THE MARKAZI PROVINCE WATERSHEDS

Author(s)

AFSARY R. | GHODDOSI J. | Issue Writer Certificate

Keywords

SEDIMENT DELIVERY RATIO ESTIMATION (SDR) METHODSQ2

ARID AND SEMIARID WATERSHEDSQ2

EROSION POTENTIAL MODEL (EPM)Q2

MOZLEQAN WATERSHEDQ2

KHOMEIN WATERSHEDQ2

Abstract

In Iran. One of the prevalent models for erosion and sediment estimation in watershed scale is erosion potential model (EPM). But according to the reports, in most cases relative differences between measured and estimated amount of erosion and sediment are more than 10 per sent. In order to increase precision of the EPM model 13 sediment delivery ratio estimation methods were evaluated in the two watersheds with different climatic conditions including Khomein and Mozleqan in the Central Province of Iran., Results of the study showed that the Rohel method (1977) and SWAT (2001) are the most suitable methods to be applied in the ARID AND SEMIARID WATERSHEDS, respectively due to the observed minimum difference ratio between measured and estimated amount of erosion and sediment by EPM model (4.1 and 6.4 per cent in the Mozleqan and Khomein, respectively). It can be therefore concluded that the mentioned methods for estimating SDR have to be replace with the SDR estimation method used in EPM model.

Cites

EFFECT OF DIFFERENT LAND- USE MANAGEMENT SCENARIOS ON SOIL EROSION USING USLE MODEL IN KALAYBARCHAY WATERSHED

References

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APA: Copy

AFSARY, R., & GHODDOSI, J.. (2011). EVALUATING SEDIMENT DELIVERY RATIO ESTIMATION (SDR) METHODS UNDER DIFFERENT CLIMATIC CONDITIONS A CASE STUDY: IN THE MARKAZI PROVINCE WATERSHEDS. JOURNAL OF PHYSICAL GEOGRAPHY, 4(12), 107-118. SID. https://sid.ir/paper/184948/en

Vancouver: Copy

AFSARY R., GHODDOSI J.. EVALUATING SEDIMENT DELIVERY RATIO ESTIMATION (SDR) METHODS UNDER DIFFERENT CLIMATIC CONDITIONS A CASE STUDY: IN THE MARKAZI PROVINCE WATERSHEDS. JOURNAL OF PHYSICAL GEOGRAPHY[Internet]. 2011;4(12):107-118. Available from: https://sid.ir/paper/184948/en

IEEE: Copy

R. AFSARY, and J. GHODDOSI, “EVALUATING SEDIMENT DELIVERY RATIO ESTIMATION (SDR) METHODS UNDER DIFFERENT CLIMATIC CONDITIONS A CASE STUDY: IN THE MARKAZI PROVINCE WATERSHEDS,” JOURNAL OF PHYSICAL GEOGRAPHY, vol. 4, no. 12, pp. 107–118, 2011, [Online]. Available: https://sid.ir/paper/184948/en

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