STREAMFLOW FORECASTING USING DISAGGREGATING METHOD

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KHAYAT KHOLGHI MAJID; PARVIZ L.

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Paper Information

Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2008 | Volume:2 | Issue:3 Page(s): 20-29

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Title

STREAMFLOW FORECASTING USING DISAGGREGATING METHOD

Author(s)

KHAYAT KHOLGHI MAJID | PARVIZ L. | Issue Writer Certificate

Keywords

STREAMFLOWQ3

DISAGGREGATION METHODQ3

BASIC MODELQ3

EXTENDED MODELQ3

Abstract

The precise STREAMFLOW estimation has importance in the planning of water resources management, the forecasting of the persistence of drought and the planning of reservoir operation. The lack of long term STREAMFLOW data in the most of rivers in Iran is an obstacle to suitable water resources management. The DISAGGREGATION METHOD is one of the stochastic methods that are the useful tool in applicable hydrology. The reliable planning and design of hydrological systems need the generation of time series in smaller time scales and various sites. Through this method, hydrological variables can be disaggregated into smaller scales, either in temporal or spatial. The temporal disaggregation is the disaggregation of the annual time into series finer ones like monthly time series. The spatial disaggregation is the disaggregation of the annual discharge of Main River into the discharge of subbranches. In this research, the disaggregating of annual time series into semi-annual and monthly ones were carried out using basic and EXTENDED MODELs and the spatial disaggregation were carried out using EXTENDED MODEL. The STREAMFLOW of some branches of Ouromieh river basin have been used in this model.The results showed that the good agreement of the disaggregation models with normal STREAMFLOW series, the high accuracy of the extended results (using RMSE) and the preservation of the statistical properties (mean, standard deviation) between observed and disaggregated time series.

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APA: Copy

KHAYAT KHOLGHI, MAJID, & PARVIZ, L.. (2008). STREAMFLOW FORECASTING USING DISAGGREGATING METHOD. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 2(3), 20-29. SID. https://sid.ir/paper/134822/en

Vancouver: Copy

KHAYAT KHOLGHI MAJID, PARVIZ L.. STREAMFLOW FORECASTING USING DISAGGREGATING METHOD. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2008;2(3):20-29. Available from: https://sid.ir/paper/134822/en

IEEE: Copy

MAJID KHAYAT KHOLGHI, and L. PARVIZ, “STREAMFLOW FORECASTING USING DISAGGREGATING METHOD,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 2, no. 3, pp. 20–29, 2008, [Online]. Available: https://sid.ir/paper/134822/en

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