ROODZARD REPRESENTATIVE WATERSHED SURFACE RUNOFF AND EVCIPOTRANSPIRATION SIMULATION USING STANFORD-IV MODEL

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AMIN S.; GHAFOURI ROUZBAHANI A.M.

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Journal: Journal of Water and Soil Science Year:2002 | Volume:6 | Issue:3 Page(s): 1-22

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Title

ROODZARD REPRESENTATIVE WATERSHED SURFACE RUNOFF AND EVCIPOTRANSPIRATION SIMULATION USING STANFORD-IV MODEL

Author(s)

AMIN S. | GHAFOURI ROUZBAHANI A.M. | Issue Writer Certificate

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Abstract

Prediction of watershed responses and simulation of runoff rate and volume are required for design of most water resources projects. For this purpose, different hydrolofic methods and event based or continuous hydrologic mathematical models are applied. In this research, a continuous hydrologic model, Stanford Watershed Model- IV (SWM- IV) is used for simulation of annual and monthly volumes and mean daily runoff flow produced in Roodzard representative basin with 896 km2 area located in southwest part of Iran. The accuracy of the simulation outputs were checked using the sensitivity analysis over reasonable of input sata related to Roodzard watershed. Calibration and verification of the standford model were performed using the data of 1976- 1977 and of four consecutive years (1978- 1981), respectively. The output of the SWM- IV model showed that the values of annual and monthly runoff, groundwater, and monthly interflow can be simulated in closed agreement and acceptable precision corresponding to observed data. The model is also to combine the hydrologic components of the basin to determine the dominant flow of the study watershed. Actual evepo-transpiration and annual runoff coefficient are the other parameters that have been estimated successfully by the model. However, the range of coefficient of determination (R2) for the observed and predicted daily flow values was0.44 to 0.81 for the available data. Therefore, application of the model is recommended for predicting of the hydrologic responses of various sizes of watersheds size in Iran.

Cites

CALIBRATION OF MONTHLY WATER YIELD MODEL FOR SMALL CATCHMENTS

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APA: Copy

AMIN, S., & GHAFOURI ROUZBAHANI, A.M.. (2002). ROODZARD REPRESENTATIVE WATERSHED SURFACE RUNOFF AND EVCIPOTRANSPIRATION SIMULATION USING STANFORD-IV MODEL. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 6(3), 1-22. SID. https://sid.ir/paper/14615/en

Vancouver: Copy

AMIN S., GHAFOURI ROUZBAHANI A.M.. ROODZARD REPRESENTATIVE WATERSHED SURFACE RUNOFF AND EVCIPOTRANSPIRATION SIMULATION USING STANFORD-IV MODEL. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2002;6(3):1-22. Available from: https://sid.ir/paper/14615/en

IEEE: Copy

S. AMIN, and A.M. GHAFOURI ROUZBAHANI, “ROODZARD REPRESENTATIVE WATERSHED SURFACE RUNOFF AND EVCIPOTRANSPIRATION SIMULATION USING STANFORD-IV MODEL,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 6, no. 3, pp. 1–22, 2002, [Online]. Available: https://sid.ir/paper/14615/en

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