OPTIMIZING THE RATE OF CONTRIBUTION OF DIFFERENT SOURCES IN SEDIMENT YIELD OF LOESS AREAS (CASE STUDY: KECHIK CATCHMENT)

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FAZLOLLAHI ALI; SALAJEGHEH ALI; FEIZNIA SADAT; AHMADI HASAN

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Journal: Journal of Range and Watershed Managment Year:2016 | Volume:69 | Issue:3 Page(s): 647-660

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Title

OPTIMIZING THE RATE OF CONTRIBUTION OF DIFFERENT SOURCES IN SEDIMENT YIELD OF LOESS AREAS (CASE STUDY: KECHIK CATCHMENT)

Author(s)

FAZLOLLAHI ALI | SALAJEGHEH ALI | FEIZNIA SADAT | AHMADI HASAN | Issue Writer Certificate

Keywords

SEDIMENT FINGERPRINTING. SUSPENDED SEDIMENT TRAPQ1

OPTIMIZATIONQ1

GENETIC ALGORITHMQ1

KECHIK CATCHMENTQ2

Abstract

Sediment fingerprinting is a method for identifying sediment sources and determining the rate of contribution of each source. In this method, the natural tracer technology is used, that combined from samples collection, laboratory analyzing and statistical modeling. The natural tracers are measured in both the sources and suspended sediment to determine the rate of contribution each sources. The suspended sediment traps were constructed and used for the first time in country. In this research sediment fingerprinting was used in the loess area. 27 tracers were measured in all samples. Data were evaluated about outlier. The capability of each tracer in separating the sources was evaluated with kruskal-wallis test. All tracers were accepted. Then the best combination of tracers was determined with discriminate analysis. This combination is total carbon, Na, organic carbon, Pb, Co, Sr, Al, C/N and Rb. Then, the rate of contribution of each source was determined with normal method and optimized method. Among all the sediment sources, Gully and forest have the highest and lowest rates, respectively. The field observations were confirmed the results. The use of GENETIC ALGORITHM increased the accuracy of determination of contribution of each source in comparison to normal method.

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APA: Copy

FAZLOLLAHI, ALI, SALAJEGHEH, ALI, FEIZNIA, SADAT, & AHMADI, HASAN. (2016). OPTIMIZING THE RATE OF CONTRIBUTION OF DIFFERENT SOURCES IN SEDIMENT YIELD OF LOESS AREAS (CASE STUDY: KECHIK CATCHMENT). JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), 69(3), 647-660. SID. https://sid.ir/paper/162319/en

Vancouver: Copy

FAZLOLLAHI ALI, SALAJEGHEH ALI, FEIZNIA SADAT, AHMADI HASAN. OPTIMIZING THE RATE OF CONTRIBUTION OF DIFFERENT SOURCES IN SEDIMENT YIELD OF LOESS AREAS (CASE STUDY: KECHIK CATCHMENT). JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2016;69(3):647-660. Available from: https://sid.ir/paper/162319/en

IEEE: Copy

ALI FAZLOLLAHI, ALI SALAJEGHEH, SADAT FEIZNIA, and HASAN AHMADI, “OPTIMIZING THE RATE OF CONTRIBUTION OF DIFFERENT SOURCES IN SEDIMENT YIELD OF LOESS AREAS (CASE STUDY: KECHIK CATCHMENT),” JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 69, no. 3, pp. 647–660, 2016, [Online]. Available: https://sid.ir/paper/162319/en

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