EVALUATING METHODS OF STORAGE COEFFICIENT OF CLARK'S INSTANTANEOUS UNIT HYDROGRAPH IN SIMULATION OF FLOOD UNIT HYDROGRAPH

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ASADI H.; MORADI H.R.; TELVARI A.R.; SADEGHI S.H.R.

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Journal: Journal of Water and Soil Science Year:2010 | Volume:14 | Issue:53 Page(s): 41-50

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Title

EVALUATING METHODS OF STORAGE COEFFICIENT OF CLARK'S INSTANTANEOUS UNIT HYDROGRAPH IN SIMULATION OF FLOOD UNIT HYDROGRAPH

Author(s)

ASADI H. | MORADI H.R. | TELVARI A.R. | SADEGHI S.H.R. | Issue Writer Certificate

Keywords

INSTANTANEOUS UNIT HYDROGRAPHQ3

STORAGE COEFFICIENTQ3

KASILIANQ3

CLARKQ3

TIME-AREA HISTOGRAMQ3

Abstract

The CLARK method is one of the most applicable techniques for development of INSTANTANEOUS UNIT HYDROGRAPH whose efficacy depends upon the accuracy in estimating STORAGE COEFFICIENT. The present study was conducted in KASILIAN watershed in Mazandaran Province to determine the efficiency of developed hydrograph using CLARK's method and to compare the Muskingum STORAGE COEFFICIENTs obtained through graphical, CLARK, Linsley, Mitchell, Johnstone-Cross and Eaton methods. To this aim, the TIME-AREA HISTOGRAM of the study watershed was initially developed. The 3h-unit hydrograph was then derived using the data collected in Sangedeh climatological and Valikbon hydrometric stations. The efficiency of CLARK’s INSTANTANEOUS UNIT HYDROGRAPH developed based on 6 methods for calculation of Muskingum STORAGE COEFFICIENT was ultimately compared with the observed average 3h-unit hydrograph of the study area. The results of the study revealed that the CLARK’s INSTANTANEOUS UNIT HYDROGRAPH obtained from graphical method for estimation of STORAGE COEFFICIENT with estimation error of less than 33.33% and efficiency coefficient of 83% could suitably simulate different components of the observed average unit hydrograph for the study watershed.

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APA: Copy

ASADI, H., MORADI, H.R., TELVARI, A.R., & SADEGHI, S.H.R.. (2010). EVALUATING METHODS OF STORAGE COEFFICIENT OF CLARK'S INSTANTANEOUS UNIT HYDROGRAPH IN SIMULATION OF FLOOD UNIT HYDROGRAPH. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 14(53), 41-50. SID. https://sid.ir/paper/15084/en

Vancouver: Copy

ASADI H., MORADI H.R., TELVARI A.R., SADEGHI S.H.R.. EVALUATING METHODS OF STORAGE COEFFICIENT OF CLARK'S INSTANTANEOUS UNIT HYDROGRAPH IN SIMULATION OF FLOOD UNIT HYDROGRAPH. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2010;14(53):41-50. Available from: https://sid.ir/paper/15084/en

IEEE: Copy

H. ASADI, H.R. MORADI, A.R. TELVARI, and S.H.R. SADEGHI, “EVALUATING METHODS OF STORAGE COEFFICIENT OF CLARK'S INSTANTANEOUS UNIT HYDROGRAPH IN SIMULATION OF FLOOD UNIT HYDROGRAPH,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 14, no. 53, pp. 41–50, 2010, [Online]. Available: https://sid.ir/paper/15084/en

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