FORECASTING SUSPENDED SEDIMENT DISCHARGE BY USING TIME SERIES TRANSFER FUNCTION MODEL IN SELECTED STATIONS OF GORGANROOD, GOLESTAN PROVINCE

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KHAZAEI MOUGHANI S.; NAJAFINEJAD A.; AZIMMOHSENI M.; SHEIKH V.B.

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Journal: Journal of Water and Soil Conservation Year:2014 | Volume:21 | Issue:3 Page(s): 185-202

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Title

FORECASTING SUSPENDED SEDIMENT DISCHARGE BY USING TIME SERIES TRANSFER FUNCTION MODEL IN SELECTED STATIONS OF GORGANROOD, GOLESTAN PROVINCE

Author(s)

KHAZAEI MOUGHANI S. | NAJAFINEJAD A. | AZIMMOHSENI M. | SHEIKH V.B. | Issue Writer Certificate

Keywords

TRANSFER FUNCTION MODELQ2

SEDIMENT RATING CURVEQ2

TEMPORAL VARIATIONSQ2

SUSPENDED SEDIMENTQ2

GORGANROODQ3

Abstract

Since information about temporal variation of SUSPENDED SEDIMENT establishes a basis for watershed and river management, it is crucial to utilize a method for modeling and forecasting SUSPENDED SEDIMENT that takes all influential factors into account. In this research, the TRANSFER FUNCTION MODEL is used to study temporal variation of SUSPENDED SEDIMENT on seven selected stations in GORGANROOD river. In order to evaluate the performance of the model in forecasting SUSPENDED SEDIMENT compared to the SEDIMENT RATING CURVE, only flow discharge is considered as a highly effective factor in variation of SUSPENDED SEDIMENT. Although this comparison reveals that these two variables are mainly related at the same time but to develop into a more precise and accurate set of forecasts, the values of SUSPENDED SEDIMENT and flow discharge at past time should be taken in the model. Based on the validation criteria, the TRANSFER FUNCTION MODEL was accurately fitted in both stations. Finally, comparing two models from forecasting point of viewrevealed that the TRANSFER FUNCTION MODEL with model efficiency 98 and 97 for Hajighoshan and Voshmgir stations, respectively and with the bias less than 1 for both stations presents more accurate and precise forecasts compared to SEDIMENT RATING CURVE.

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APA: Copy

KHAZAEI MOUGHANI, S., NAJAFINEJAD, A., AZIMMOHSENI, M., & SHEIKH, V.B.. (2014). FORECASTING SUSPENDED SEDIMENT DISCHARGE BY USING TIME SERIES TRANSFER FUNCTION MODEL IN SELECTED STATIONS OF GORGANROOD, GOLESTAN PROVINCE. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 21(3), 185-202. SID. https://sid.ir/paper/156409/en

Vancouver: Copy

KHAZAEI MOUGHANI S., NAJAFINEJAD A., AZIMMOHSENI M., SHEIKH V.B.. FORECASTING SUSPENDED SEDIMENT DISCHARGE BY USING TIME SERIES TRANSFER FUNCTION MODEL IN SELECTED STATIONS OF GORGANROOD, GOLESTAN PROVINCE. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2014;21(3):185-202. Available from: https://sid.ir/paper/156409/en

IEEE: Copy

S. KHAZAEI MOUGHANI, A. NAJAFINEJAD, M. AZIMMOHSENI, and V.B. SHEIKH, “FORECASTING SUSPENDED SEDIMENT DISCHARGE BY USING TIME SERIES TRANSFER FUNCTION MODEL IN SELECTED STATIONS OF GORGANROOD, GOLESTAN PROVINCE,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 21, no. 3, pp. 185–202, 2014, [Online]. Available: https://sid.ir/paper/156409/en

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