Regional Hydrologic Models in Basins(Case Study: Monthly Flow in Urmia Lake Basin)

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Asadi, Alireza | 2010

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 40323 (09)
University: Sharif University of Technology
Department: Civil Engineering
Advisor(s): Abrishamchi, Ahmad
Abstract:
One of the very common models for hydrologic cycle modeling is water balance model which is used widely in water resource management. In these models, precipitation is used as input of the model and runoff is used as output of the model. The main purpose of this thesis is usage of a procedure that could have in mind the complicated climate changes and predict the stream flow. This method which is named regionalization connects the gauged stations and ungauged station. Linear regression and regional calibration are two methods which are used in this research and water balance model is calibrated for ten subcatchments of Urmia lake and three subcatchments are used for verification of the fitted model. Data transfer results from one catchment to another showed that the regional calibration method is more appropriate than the linear regression method but in those catchments which the value of the objective function is closer to the average value of the catchment, the linear regression method is more appropriate.
Keywords:
Water Balance ; Regionalization Method ; Linear Regression ; Regional Calibration ; Hydrologic Cycle

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