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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.7, 2007³â, pp.571-583
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µµ½ÃÈ¿¡ µû¸¥ ¼ö¹®±âÈĺ¯È II (µµ½ÃȰ¡ ±âÁØ Áõ¹ß»ê·®¿¡ ¹ÌÄ¡´Â ¿µÇâ)
( Urbanization Effects on Reference Evapotranspiration ) |
ÀÓâ¼ö; û¿î´ëÇб³ öµµÇàÁ¤Åä¸ñÇаú;
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The effects of climatic changes owing to urbanization, geographical and topographical conditions on Penman-Monteith reference evapotranspiration, and energy and aerodynamic terms of Penman-Monteith reference evapotranspiration have been studied. In this study, 56 climatological stations including the Seoul metropolis in South Korea have been selected, and the area of study site was set at $314;km^2$. The climatological station is centrally located In the study area with a 10 km radius. The geographical and topographical characteristics of these sites were examined using GIS analysis. Land use status of the study area was also examined to estimate the extent of urbanization. The study results indicated that the variation of reference evapotranspiration rate is closely related to urbanization in most climatological stations. The level of change in reference evapotranspiration was higher in areas with higher urbanization rates. The change in reference evapotranspiration appears to be caused by temperature rises following heat island phenomena due to urbanization, and by the decrease in humidity, wind speed and sunshine duration due to the Increase in residential areas in urban districts. Especially, the humidity decrease causes a significant decrease in evapotranspiration rate. The study results showed that climatic change due to urbanization and proximity to the coast had the greatest effect on reference evapotranspiration. |
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Ű¿öµå |
µµ½ÃÈ;±âÁØÁõ¹ß»ê;±âÈĺ¯È;Evapotranspiration;Urbanization;FAO Penman-Monteith; |
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.7, 2007³â, pp.571-583
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200734514826294)
¾ð¾î : Çѱ¹¾î |
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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