CLAY ENRICHMENT RATIOIN'SEDIMENT FROM A SMALL AGRICULTURALWALERSHED IN IRAN

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AMIN S.A.; RAJAEI SH.

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ISSN: 2588-4824

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Journal: Iran Agricultural Research Year:2002 | Volume:21 | Issue:1 Page(s): 93-104

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Title

CLAY ENRICHMENT RATIOIN'SEDIMENT FROM A SMALL AGRICULTURALWALERSHED IN IRAN

Author(s)

AMIN S.A. | RAJAEI SH. | Issue Writer Certificate

Keywords

AGRICULTURAL WATERSHEDQ3

CLAY ENRICHMENT RATIOQ3

IRANQ3

SEDIMENTQ3

Abstract

Soil erosion begins with detachment and transportation of soil particles from surface soil layers. In the evaluation of soil erosion, usually the volume or the weight of the soil losses is calculated, but the physical properties of the SEDIMENT are less often considered, Due to the selectivity of erosion process the clay particles are much more in the SEDIMENTs than in the original soils. For estimating the CLAY ENRICHMENT RATIO (CER) in the SEDIMENT resulting from erosion, a 4.83 ha watershect with a surface soil of silt loam texture was selected in the north-west of the College of Agriculture, Shiraz, IRAN. Suspended SEDIMENT resulting from eight independent precipitation events was sampled and their particle size distribution was determined: The average CER for the selected rainfall events was 2.3 with a range of 1.5 to 3.1. No significant relation was found between CER and the properties of the precipitation and runoff such as magnitude, average, and maximum rainfall intensities. The following relation between, CER and the suspended solid in runoff from the watershed was obtained, CER=59 (SSa)-0.465, (R2=0.91), where, SSa is the average SEDIMENT concentration in suspension, mg 1-1. This equation shows that the CER decreases with an increase in the SEDIMENT concentration.

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APA: Copy

AMIN, S.A., & RAJAEI, SH.. (2002). CLAY ENRICHMENT RATIOIN'SEDIMENT FROM A SMALL AGRICULTURALWALERSHED IN IRAN. IRAN AGRICULTURAL RESEARCH, 21(1), 93-104. SID. https://sid.ir/paper/16089/en

Vancouver: Copy

AMIN S.A., RAJAEI SH.. CLAY ENRICHMENT RATIOIN'SEDIMENT FROM A SMALL AGRICULTURALWALERSHED IN IRAN. IRAN AGRICULTURAL RESEARCH[Internet]. 2002;21(1):93-104. Available from: https://sid.ir/paper/16089/en

IEEE: Copy

S.A. AMIN, and SH. RAJAEI, “CLAY ENRICHMENT RATIOIN'SEDIMENT FROM A SMALL AGRICULTURALWALERSHED IN IRAN,” IRAN AGRICULTURAL RESEARCH, vol. 21, no. 1, pp. 93–104, 2002, [Online]. Available: https://sid.ir/paper/16089/en

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