| Article Info |
제24권 3호 강원 농업생명환경연구 Vol.24, No.3, pp.16-24, 2012
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| Title |
SWAT Auto-Calibration을 이용한 강우크기에 따른 유출 특성 분석
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| Author |
홍수정, 전진영, 우수인, 유상배, 강현우, 금동혁 , 장춘화 , 임경재
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| Institutions |
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| Abstract |
Recently the rainfall intensity has been increased due to torrential rainfall events at local areas. Unexpected torrential rainfall has led to enormous damages. In order to reduce this damage, it is necessary to estimate flow out to the watershed. Thus, the Soil and Water Assessment Tool (SWAT) model and its auto-calibration tool were used to analyze flow at the Soyang river. The auto-calibration tool in the SWAT could be used to estimate parameters automatically with less efforts and greater accuracies compared with those obtained with manual calibration processes. In the studies by others using SWAT auto-calibration, the effects of calibration period was not considered properly. Thus greater rainfall events occurred during calibration period could affect calibrated parameters for validation period. Thus, the effects of rainfall events occurred during calibration period were analyzed in this study. It was found that validation result was improved when the rainfall conditions, in terms of magnitude of rainfall, were similar during calibration and validation periods. Therefore, the SWAT auto-calibration should be applied after investigation of rainfall patterns during calibration and validation periods.
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| Keyword |
Auto-Calibration, Rainfall magnitude, Runoff, SWAT.
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 3-임경재(최종).pdf
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