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한국환경과학회지 = Journal of the environmental sciences v.19 no.3, 2010년, pp.295 - 304   피인용횟수: 1
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해안도시 지역에서 증발산량 산정에 토지이용도와 기상인자의 영향성
Influence of Land Use and Meteorological Factors for Evapotranspiration Estimation in the Coastal Urban Area

양성일    (부경대학교 환경지질과학과   ); 강동환    (부경대학교 지구과학연구소   ); 권병혁    (부경대학교 환경대기과학과   ); 김병우    (한국수자원공사 K-water연구원  );
  • 초록

    Actual evapotranspiration (AET) in the Suyeong-gu was estimated and correlations between AET and meteorological factors were analyzed. The study area was Suyeong-gu lay at the east longitude $129^{\circ}$ 05' 40" ~ 129 $^{\circ}$ 08' 08" and north latitude $35^{\circ}$ 07' 59" ~ $35^{\circ}$ 11' 01". The Kumryun mountain, the Bae mountain, the Suyeong river and the Suyeong bay are located on west, north, northeaster and south side in the study area, respectively. AET was estimated using precipitation (P), potential evapotranspiration (PET) and plant-available water coefficient. Meteorological factors to estimate PET were air temperature, dewpoint temperature, atmospheric pressure, duration of sunshine and mean wind speed (MWS). PET and AET were estimated by a method of Allen et al. (1998) and Zhang et al. (2001), respectively. PET was the highest value (564.45 mm/yr) in 2002 year, while it was the lowest value (449.95 mm/yr) in 2003 year. AET was estimated highest value (554.14 mm/yr) in 2002 year and lowest value (427.91 mm/yr) in 2003 year. Variations of PET and AET were similar. The linear regression function of AET as PET using monthly data was AET=0.87 $\times$ PET+3.52 and coefficient of determination was high, 0.75. In order to analyze relationship between the evapotranspiration and meteorological factors, correlation analysis using monthly data were accomplished. Correlation coefficient of AET-PET was 0.96 high, but they of AET-P and PET-P were very low. Correlation coefficients of AET-MWS and PET-MWS were 0.67 and 0.73, respectively. Thus, correlation between evapotranspiration and MWS was the highest among meteorological factors in Suyong-gu. This means that meteorological factor to powerfully effect for the variation of evapotranspiration was MWS. The linear regression function of AET as MWS was AET=84.73 $\times$ MWS+223.05 and coefficient of determination was 0.54. The linear regression function of PET as MWS was PET=83.83 $\times$ MWS+203.62 and coefficient of determination was 0.45.


  • 주제어

    Actual evapotranspiration .   Potential evapotranspiration .   Land use .   Meteorological factor.  

  • 참고문헌 (26)

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  • 이 논문을 인용한 문헌 (1)

    1. Lee, Bu-Yong ; Haginoya, Shigenori 2011. "The Latent Heat Exchange on the Ground" 한국환경과학회지 = Journal of the environmental sciences, 20(8): 1061~1068     

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