CALIBRATION OF ANNUAL WATER YIELD MODEL OF CATCHMENTS

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REZAEI A.; ABDINEJAD PARVIZ; MOUSAVI S.J.

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Journal: Watershed Management Research Year:2013 | Volume:26 | Issue:1 (98) Page(s): 16-23

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Title

CALIBRATION OF ANNUAL WATER YIELD MODEL OF CATCHMENTS

Author(s)

REZAEI A. | ABDINEJAD PARVIZ | MOUSAVI S.J. | Issue Writer Certificate

Keywords

ANNUAL WATER YIELDQ2

CALIBRATION OF GR1AQ2

MATHEMATICAL MODELQ2

WATER BALANCEQ2

ZANJAN PROVINCEQ2

Abstract

Watershed management and water resources planning need to know hydrological relationships especially the data time series of annual runoff depth at the outlet of catchments. The numbers of 7 catchments were obtained to investigate the ability of selected MATHEMATICAL MODEL for simulation annual runoff depth yearly. Area of all selected catchments are less than 170km2, acceptable hydrometric data time series long equal 6 to 27 years and so all of them located in and around of ZANJAN PROVINCE. At every selected catchments depth of precipitation, runoff and potential evapotranspiration (Blanney- Criddle method) estimated for every year. Based on gathered data and information, determined the calibration coefficient (only calibration variable parameter) of a MATHEMATICAL MODEL named (GR1A). The optimization criterion of calibration coefficient is the maximization of Nash-Sutcliffe coefficient as agency of model performance. Result is that the percent of Nash-Sutcliffe coefficient is 63.5 to 35.4 and acceptable at 4 catchments but is invalid at others. The invalid of Nash- Sutcliffe coefficient is affected by imprecise measured data, especially hydrometric data. So calibration coefficient of mentioned model is 0.11 to 0.24 at accepted catchments.

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APA: Copy

REZAEI, A., ABDINEJAD, PARVIZ, & MOUSAVI, S.J.. (2013). CALIBRATION OF ANNUAL WATER YIELD MODEL OF CATCHMENTS. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), 26(1 (98)), 16-23. SID. https://sid.ir/paper/397382/en

Vancouver: Copy

REZAEI A., ABDINEJAD PARVIZ, MOUSAVI S.J.. CALIBRATION OF ANNUAL WATER YIELD MODEL OF CATCHMENTS. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2013;26(1 (98)):16-23. Available from: https://sid.ir/paper/397382/en

IEEE: Copy

A. REZAEI, PARVIZ ABDINEJAD, and S.J. MOUSAVI, “CALIBRATION OF ANNUAL WATER YIELD MODEL OF CATCHMENTS,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. 26, no. 1 (98), pp. 16–23, 2013, [Online]. Available: https://sid.ir/paper/397382/en

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