DETERMINE THE MOST APPROPRIATE CORRECTIVE METHOD TO ESTIMATE SUSPENDED SEDIMENT LOAD (CASE STUDY: TANGE BOSTANAK WATERSHED)

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NOHEGAR A.; KAZEMI M.; AHMADI S.J.; GHOLAMI H.; MAHDAVI RASOL

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2016 | Volume:7 | Issue:3 Page(s): 67-82

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Title

DETERMINE THE MOST APPROPRIATE CORRECTIVE METHOD TO ESTIMATE SUSPENDED SEDIMENT LOAD (CASE STUDY: TANGE BOSTANAK WATERSHED)

Author(s)

Keywords

CORRECTIVE METHODSQ1

SUSPENDED SEDIMENTQ2

COEFFICIENT OF EFFICIENCYQ1

LQMLEQ1

TANGE BOSTANAKQ1

Abstract

Accurate estimation of the sediment amount carried by a watershed drainage system in the design of all projects in water and soil conservation is essential. Due to convert logarithmic sediment rating curves, sediment regression equations is necessary to correct too biased. The present study aims to evaluate the performance of five methods of rating curve including FAO, MVUE, QMLE, LRC, Ls and b in the case of no category situations. Root mean square of error, COEFFICIENT OF EFFICIENCY indicators, General Standard Deviation, Precision, Difference relation and Relative error were used to evaluate the performance of sediment rating curves and to choose the best of them. The result showed LQMLE method with RMSE=3.663, CE=92.1, GSD=0.556, r=1.01, RE=33% and P=1.01 is the best method of calculating sediment and FAO and LS models (with root mean square error of 6.24 and efficiency coefficient 76.3), (the root mean square error of 4.87 and 85.7 efficiency coefficient) are the weakest model in estimating the SUSPENDED SEDIMENT basin. n general, different methods and different correction factors in non-categorized of sediment rating curves, can be concluded that in most models and methods LQMLE and MVUE are the best methods of estimating the SUSPENDED SEDIMENT load.

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APA: Copy

NOHEGAR, A., KAZEMI, M., AHMADI, S.J., GHOLAMI, H., & MAHDAVI, RASOL. (2016). DETERMINE THE MOST APPROPRIATE CORRECTIVE METHOD TO ESTIMATE SUSPENDED SEDIMENT LOAD (CASE STUDY: TANGE BOSTANAK WATERSHED). NATURAL ECOSYSTEMS OF IRAN, 7(3), 67-82. SID. https://sid.ir/paper/215216/en

Vancouver: Copy

NOHEGAR A., KAZEMI M., AHMADI S.J., GHOLAMI H., MAHDAVI RASOL. DETERMINE THE MOST APPROPRIATE CORRECTIVE METHOD TO ESTIMATE SUSPENDED SEDIMENT LOAD (CASE STUDY: TANGE BOSTANAK WATERSHED). NATURAL ECOSYSTEMS OF IRAN[Internet]. 2016;7(3):67-82. Available from: https://sid.ir/paper/215216/en

IEEE: Copy

A. NOHEGAR, M. KAZEMI, S.J. AHMADI, H. GHOLAMI, and RASOL MAHDAVI, “DETERMINE THE MOST APPROPRIATE CORRECTIVE METHOD TO ESTIMATE SUSPENDED SEDIMENT LOAD (CASE STUDY: TANGE BOSTANAK WATERSHED),” NATURAL ECOSYSTEMS OF IRAN, vol. 7, no. 3, pp. 67–82, 2016, [Online]. Available: https://sid.ir/paper/215216/en

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