DETERMINATION OF PROPER SIZE OF PLOTS FOR RUNOFF AND SEDIMENT ESTIMATION FROM SMALL WATERSHEDS IN SANGANEH WATERSHED, RAZAVI KHORASAN PROVINCE

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BASHIRI SEGHALE M.; SADEGHI S.H.R.; RANGAVAR A.A.S.

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Journal: Journal of Water and Soil Science Year:2010 | Volume:17 | Issue:68 Page(s): 39-47

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Title

DETERMINATION OF PROPER SIZE OF PLOTS FOR RUNOFF AND SEDIMENT ESTIMATION FROM SMALL WATERSHEDS IN SANGANEH WATERSHED, RAZAVI KHORASAN PROVINCE

Author(s)

BASHIRI SEGHALE M. | SADEGHI S.H.R. | RANGAVAR A.A.S. | Issue Writer Certificate

Keywords

EXPERIMENTAL PLOTQ2

IRANQ2

RAZAVI KHORASAN PROVINCEQ3

RUNOFF GENERATIONQ2

SANGANEH WATERSHEDQ2

SEDIMENT YIELDQ2

SOIL EROSIONQ2

Abstract

Erosion plots are basically used for studying erosion processes and many related problems. However, the possibility to extend the results of EXPERIMENTAL PLOTs to surrounding watersheds is rarely taken into account. In the present study, an attempt was made to study on the accuracy of SOIL EROSION plots in estimation of runoff and SEDIMENT YIELD from small watersheds. Towards this attempt, 12 EXPERIMENTAL PLOTs with length of 2, 5, 10, 15, 20 and 25 meter were installed on two north and south facing slopes in SANGANEH WATERSHED, northeastern RAZAVI KHORASAN PROVINCE with an area of ca. 1 ha. The performance of the plots in estimation of runoff and sediment was controlled by data collected at the main outlet associated with 12 storm events occurred during November 2006 to June 2007. The results showed that the accuracy of plot estimates on sediment and runoff improved while the plot length increased. The optimal length for estimation of sediment and runoff parameters was found to be equal to average slope length and more than 20 m.

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APA: Copy

BASHIRI SEGHALE, M., SADEGHI, S.H.R., & RANGAVAR, A.A.S.. (2010). DETERMINATION OF PROPER SIZE OF PLOTS FOR RUNOFF AND SEDIMENT ESTIMATION FROM SMALL WATERSHEDS IN SANGANEH WATERSHED, RAZAVI KHORASAN PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 14(52), 39-47. SID. https://sid.ir/paper/14853/en

Vancouver: Copy

BASHIRI SEGHALE M., SADEGHI S.H.R., RANGAVAR A.A.S.. DETERMINATION OF PROPER SIZE OF PLOTS FOR RUNOFF AND SEDIMENT ESTIMATION FROM SMALL WATERSHEDS IN SANGANEH WATERSHED, RAZAVI KHORASAN PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2010;14(52):39-47. Available from: https://sid.ir/paper/14853/en

IEEE: Copy

M. BASHIRI SEGHALE, S.H.R. SADEGHI, and A.A.S. RANGAVAR, “DETERMINATION OF PROPER SIZE OF PLOTS FOR RUNOFF AND SEDIMENT ESTIMATION FROM SMALL WATERSHEDS IN SANGANEH WATERSHED, RAZAVI KHORASAN PROVINCE,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 14, no. 52, pp. 39–47, 2010, [Online]. Available: https://sid.ir/paper/14853/en

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