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KMID : 1024519990080020151
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Journal of the Environmental Sciences
1999 Volume.8 No. 2 p.151 ~ p.154
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On the Thermal Effect of Vegetation Canopy to the Surface Sublayer Environment
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Jin Byong-Hwa
Hwang Soo-Jin
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Abstract
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To verify the accuracy of the numerical experiment of Part I, measurements at the matured rice canopy located around Junam reservoir were performed at August 14, 1995. According to the measured data, the foliage temperature recorded the highest value, and the ground temperature was the lowest around noon, and these results coincided with those of the numerical experiment using the combined model of Part I. From the estimation using measured data, the maximum value of the latent heat flux was 380, the highest value among energy balance terms, and the energy redistribution ratio of the latent heat flux was averaged as 0.5, the highest values among redistribution ratios. These results are the same as those of the numerical experiment in tendency, but they reveals a little lower in the absolute values than those from the numerical experiment.
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KEYWORD
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vegetation canopy measurement, surface layer, latent heat flux
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