草地における対流熱伝達率と熱収支に関する長期実測

概要

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Field measurement focusing on heat balance at grassland was performed for five months. Following phenomenon were observed. ・ In summer season, surface temperature of leaf tip increases with increase of the amount of incident solar radiation more clearly than in other season. ・ Bowen ratio decreases with increase of water content of soil surface. ・ Bowen ratio of winter is bigger than that of autumn under the same water content of soil surface. ・ Mocked-up Grassland SAT-meters suggest that those shape and material of the imitative leaves are not so affective on the estimated heat transfer coefficient. ・ The heat transfer coefficient of the grassland obtained from the measurement data of heat flux and representative surface temperature of leaf tip seems to be inconsistent with that of Grassland SAT-meter.
社団法人日本建築学会の論文
2000-12-20