INVESTIGATION OF THE EFFECT OF CLIMATE CHANGE ON RUNOFF CURVE NUMBER BY USING GIS AND RS (CASE STUDY: MANSOURABAD AND NAVROUD WATERSHEDS)

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YAGHOOBZADEH M.; ETEBARI B.; SHAHIDI A.; NOFRASTI A.

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Journal: JOURNAL OF WATER SCIENCES AND ENGINEERING Year:2011 | Volume:1 | Issue:2 Page(s): 55-68

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Title

INVESTIGATION OF THE EFFECT OF CLIMATE CHANGE ON RUNOFF CURVE NUMBER BY USING GIS AND RS (CASE STUDY: MANSOURABAD AND NAVROUD WATERSHEDS)

Author(s)

YAGHOOBZADEH M. | ETEBARI B. | SHAHIDI A. | NOFRASTI A. | Issue Writer Certificate

Keywords

CURVE NUMBER RUNOFFQ3

REMOTE SENSINGQ2

GEOGRAPHIC INFORMATION SYSTEMQ2

NDVIQ1

HEC-HMS MODELQ2

Abstract

Application of gepraphic information system and image processing in evaluation of surface runoff of a watershed in recent years has increased greatly. In the study, the runoff curve number map was prepared using GEOGRAPHIC INFORMATION SYSTEM (GIS) and Landsat Satellite Images (ETM+) for two watersheds of Mansourabad in southern Khorasan province and Navroud in Gilan province based on the factors of hydrologic soil group, land use, land cover and hydrologic conditions. The land cover map was perpared by NDVI index and watersheds were classified by three classes of good, fair and weak situation vegetation in Mansourabad watershed but for Navrood watershed, Vegetation had three classes of excellent, good and moderate. Land use map of this watersheds was prepared from Landsat Sattelite Images and Soil Hydrologic Group addition to soil, slope and Land use, geology maps plus filed investigations. From Coalition of GIS shape files and SCS tables, runoff curve number map was extracted for both watersheds. In evaluation of accuracy of Curve Number, maximum flood discharge in both two watersheds was simulated by HEC-HMS MODEL and compared with observed data.Low error discrepancy between simulated and observed dischrge showed that curve number for both basins was calculated with high accuracy. So results showed that weithing runoff curve number in MansoorAbad basin is highly greater than Navrood basin, that this parameter can cause destructive floods during hight intensity events.

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APA: Copy

YAGHOOBZADEH, M., ETEBARI, B., SHAHIDI, A., & NOFRASTI, A.. (2011). INVESTIGATION OF THE EFFECT OF CLIMATE CHANGE ON RUNOFF CURVE NUMBER BY USING GIS AND RS (CASE STUDY: MANSOURABAD AND NAVROUD WATERSHEDS). JOURNAL OF WATER SCIENCES AND ENGINEERING, 1(2), 55-68. SID. https://sid.ir/paper/235551/en

Vancouver: Copy

YAGHOOBZADEH M., ETEBARI B., SHAHIDI A., NOFRASTI A.. INVESTIGATION OF THE EFFECT OF CLIMATE CHANGE ON RUNOFF CURVE NUMBER BY USING GIS AND RS (CASE STUDY: MANSOURABAD AND NAVROUD WATERSHEDS). JOURNAL OF WATER SCIENCES AND ENGINEERING[Internet]. 2011;1(2):55-68. Available from: https://sid.ir/paper/235551/en

IEEE: Copy

M. YAGHOOBZADEH, B. ETEBARI, A. SHAHIDI, and A. NOFRASTI, “INVESTIGATION OF THE EFFECT OF CLIMATE CHANGE ON RUNOFF CURVE NUMBER BY USING GIS AND RS (CASE STUDY: MANSOURABAD AND NAVROUD WATERSHEDS),” JOURNAL OF WATER SCIENCES AND ENGINEERING, vol. 1, no. 2, pp. 55–68, 2011, [Online]. Available: https://sid.ir/paper/235551/en

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