장파복사 모형의 매개변수 추정 (Parameters Estimation in Longwave Radiation Formula)

조홍연 (Hong Yeon, Cho); 이길하 (LEE, KHIL-HA); 이정미

Parameters Estimation in Longwave Radiation Formula

Journal of Environmental Impact Assessment
Abbr : J EIA
2012, 21(2), pp.239-246
Publisher : Korean Society Of Environmental Impact Assessment
Research Area : Engineering > Environmental Engineering

Hong Yeon, Cho ¹, LEE, KHIL-HA ², 이정미 ³

¹한국해양과학기술원
²대구대학교
³기상청 기후변화감시센터

Accredited

ABSTRACT

Daily net radiation is essential for heat budget analysis for environmental impact assessment in the coastal zone and longwave radiation is an important element of net radiation because there is a significant exchange of radiant energy between the earth’s surface and the atmosphere in the form of radiation at longer wavelengths. However, radiation data is not commonly available, and there has been no direct measurement for most areas where coastal environmental impact assessment is usually most needed. Often an empirical equation, e.g., Penman and FAO-24 formulae is used to estimate longwave radiation using temperature, humidity, and sunshine hour data but local calibration may be needed. In this study, local recalibration was performed to have best fit from a widely used longwave equation using the measured longwave radiation data in Korea Global Atmospheric Watch Center (KGAWC). The results shows recalibration can provided better performance AE=0.23(W/m2) and RMSE=14.73(W/m2). This study will contribute to improve the accuracy of the heat budget analysis in the coastal area.

KEYWORDS

Longwave radiation, heat-budget analysis, calibration, Penman and FAO-24formulae, net radiation

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* References for papers published after 2023 are currently being built.

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Journal of Environmental Impact Assessment 2023 KCI Impact Factor : 0.51

Parameters Estimation in Longwave Radiation Formula

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Citation status

* References for papers published after 2023 are currently being built.

Journal of Environmental Impact Assessment 2023 KCI Impact Factor : 0.51

Parameters Estimation in Longwave Radiation Formula

ABSTRACT

KEYWORDS

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* References for papers published after 2023 are currently being built.