단도 : 냉기호 형성 집수역의 일 최저기온 분포에 미치는 바람효과
분야
농학 > 기타(농학)
저자
김수옥 ( Soo Ock Kim ) , 김진희 ( Jin Hee Kim ) , 김대준 ( Dae Jun Kim ) , 윤진일 ( Jin Il Yun )
발행기관
한국농림기상학회
간행물정보
한국농림기상학회지 2012년, 제14권 제4호, 277~282페이지(총6페이지)
파일형식
0e200752.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    When wind speed exceeds a certain threshold, daily minimum temperature does not drop as predicted by the geospatial model in a cold pooling catchment. A linear regression equation was derived to explain the warming effect of wind speed on daily minimum temperature by analyzing observations at a low lying location within an enclosed catchment. The equation, Y=2X+0.4 (R2=0.76) where Y stands for the warming (oC) and X for the mean horizontal wind speed (m/s) at 2m height, was combined to an existing model to predict daily minimum temperature across an enclosed catchment on cold pooling days. The adjusted model was applied to 3 locations submerged in a cold air pool to predict daily minimum temperature on 25 cold pooling days with the input of simulated wind speed at each location. Results showed that bias (mean error) was reduced from -1.33 to -0.37 and estimation error (RMSE) from 1.72 to 1.20, respectively, in comparison with those from the unadjusted model.
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