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유역 유출량 추정을 위한 TANK 모형의 매개변수 최적화에 따른 적용성 평가

Evaluation of the Tank Model Optimized Parameter for Watershed Modeling

박지훈|송인홍|강문성|송정헌|전상민|김계웅|안지현
한국농공학회 (The Korean Society Of Agricultural Engineers)|2014.07|한국농공학회논문집 (Journal of the Korean Society of Agricultural Engineers)|제56권 제4호|pp. 9-19

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참고문헌

키워드

OptimizationSWATRunoffTANK
주제분류농학

초록

The objective of this study was to evaluate of the Tank model in simulating runoff discharge from rural watershed in comparisonto the SWAT (Soil and Water Assessment Tool) model. The model parameters of SWAT was calibrated by the shuffled complexevolution-university Arizona (SCE-UA) method while Tank model was calibrated by genetic algorithm (GA) and validated. Four damwatersheds were selected as the study areas. Hydrological data of the Water Management Information System (WAMIS) and geologicaldata were used as an input data for the model simulation. Runoff data were used for the model calibration and validation. The determinationcoefficient (R2), root mean square error (RMSE), Nash-Sutcliffe efficiency index (NSE) were used to evaluate the model performances. The result indicated that both SWAT model and Tank model simulated runoff reasonably during calibration and validation period. For annual runoff, the Tank model tended to overestimate, especially for small runoff (< 0.2 mm) whereas SWAT model underestimaterunoff as compared to observed data. The statistics indicated that the Tank model simulated runoff more accurately than the SWATmodel. Therefore the Tank model could be a good tool for runoff simulation considering its ease of use.

Abstract

The objective of this study was to evaluate of the Tank model in simulating runoff discharge from rural watershed in comparisonto the SWAT (Soil and Water Assessment Tool) model. The model parameters of SWAT was calibrated by the shuffled complexevolution-university Arizona (SCE-UA) method while Tank model was calibrated by genetic algorithm (GA) and validated. Four damwatersheds were selected as the study areas. Hydrological data of the Water Management Information System (WAMIS) and geologicaldata were used as an input data for the model simulation. Runoff data were used for the model calibration and validation. The determinationcoefficient (R2), root mean square error (RMSE), Nash-Sutcliffe efficiency index (NSE) were used to evaluate the model performances. The result indicated that both SWAT model and Tank model simulated runoff reasonably during calibration and validation period. For annual runoff, the Tank model tended to overestimate, especially for small runoff (< 0.2 mm) whereas SWAT model underestimaterunoff as compared to observed data. The statistics indicated that the Tank model simulated runoff more accurately than the SWATmodel. Therefore the Tank model could be a good tool for runoff simulation considering its ease of use.

참고문헌 (30)

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TANK 모형 매개변수 추정을 위한 회귀식 개발강문성, 박지훈, 송인홍, 송정헌, 안지현, 전상민한국농공학회 · 한국농공학회논문집2015 · 제57권 제4호단일변이 탐색법과 유전 알고리즘에 의한 탱크모형 매개변수 결정 비교 연구강문성, 김태곤, 박승우, 이성용, 이은정, 이정재, 이제명한국농공학회 · 한국농공학회논문집2009 · 제51권 제3호남강댐 상류 소유역의 유출량 추정을 위한 SWAT 모형의 적용성 평가김동현, 김상민한국농공학회 · 한국농공학회논문집2016 · 제58권 제4호다중목적 최적화기법을 이용한 SWAT 모형 수문매개변수의 자동보정강문성, 김학관, 박승우, 양희정, 최지용한국농공학회 · 한국농공학회논문집2009 · 제51권 제1호SWAT모형의 시단위 및 일단위 유출 모의성능 비교김성준, 장선숙한국농공학회 · 한국농공학회논문집2016 · 제58권 제5호GeoWEPP과 SWAT 모델을 이용한 산지 유역 강우-유출량 특성 분석김민석, 김지수, 김진관, 오현주, 우충식한국지형학회 · 한국지형학회지2021 · 제28권 제2호

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