SNOWMELT RUNOFF ESTIMATION BY USING RS & GIS (A CASE STUDY IN SHAHAR-CHI WATERSHED- ORUMIYEH)

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NAJAFI EYGDIR A.; GHODOUSI JAMAL; SAGHAFIAN B.; PORHEMAT J.

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Journal: Year:2007 | Volume:20 | Issue:3 (76 IN NATURAL RESOURCES) Page(s): 177-185

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Information Journal Paper

Title

SNOWMELT RUNOFF ESTIMATION BY USING RS & GIS (A CASE STUDY IN SHAHAR-CHI WATERSHED- ORUMIYEH)

Author(s)

NAJAFI EYGDIR A. | GHODOUSI JAMAL | SAGHAFIAN B. | PORHEMAT J. | Issue Writer Certificate

Keywords

SNOWMELTQ3

RUNOFFQ3

MODELQ3

SNOW-COVERQ3

SRMQ3

NOAA AVHRRQ3

Abstract

With regards to snow importance it is necessary to predict the RUNOFF for optimum use of the water. For this, snow cover area estimation of catchments and their variation during the year is necessary, that satellite images make available the necessary information desirably. In this study snow cover area extracted as the most important hydrological variation by using NOAA AVHRR images. Then the SRM MODEL (SNOWMELT RUNOFF MODELling) is used for RUNOFF computation. The MODEL computes the SNOWMELT RUNOFF by using meteorology and hydrology parameters and physical characteristics of the catchment and shows the result as graph and numerically accompanied with measured RUNOFF. In this study all mentioned data and parameters (daily) were entered the SRM MODEL for the year (1996-97) that the MODEL by analyzing them computed the RUNOFF and produced it as graph and numerically accompanied with measured RUNOFF. The MODEL accuracy evaluated by comparison of two computed and measured RUNOFF that the simulation was successful that the coeffcient of determination (R2) and volume difference (Dv) are 0.81 and 2.75%. the results shows the high accuracy of the MODEL in computing SNOWMELT RUNOFF for the study area that shows the capability of the MODEL for the other catchments of the region.

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APA: Copy

NAJAFI EYGDIR, A., GHODOUSI, JAMAL, SAGHAFIAN, B., & PORHEMAT, J.. (2007). SNOWMELT RUNOFF ESTIMATION BY USING RS & GIS (A CASE STUDY IN SHAHAR-CHI WATERSHED- ORUMIYEH). PAJOUHESH-VA-SAZANDEGI, 20(3 (76 IN NATURAL RESOURCES)), 177-185. SID. https://sid.ir/paper/20000/en

Vancouver: Copy

NAJAFI EYGDIR A., GHODOUSI JAMAL, SAGHAFIAN B., PORHEMAT J.. SNOWMELT RUNOFF ESTIMATION BY USING RS & GIS (A CASE STUDY IN SHAHAR-CHI WATERSHED- ORUMIYEH). PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;20(3 (76 IN NATURAL RESOURCES)):177-185. Available from: https://sid.ir/paper/20000/en

IEEE: Copy

A. NAJAFI EYGDIR, JAMAL GHODOUSI, B. SAGHAFIAN, and J. PORHEMAT, “SNOWMELT RUNOFF ESTIMATION BY USING RS & GIS (A CASE STUDY IN SHAHAR-CHI WATERSHED- ORUMIYEH),” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 3 (76 IN NATURAL RESOURCES), pp. 177–185, 2007, [Online]. Available: https://sid.ir/paper/20000/en

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