海風の内陸部進入に関するメソスケール数値解析と平均運動エネルギー収支分析に基づく海風阻害要因の定量化

概要

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Sea breeze in summer is expected to mitigate urban heat island phenomena. However, to use the sea breeze as a countermeasure for the heat island, it is necessary to clarify the interaction between urban thermal environment and sea breeze. In this study, the sea breeze in summer around the Kanto Plane is simulated based on the mesoscale climate analysis. The inland penetration of sea breeze is well reproduced. Additionally, the mean kinetic energy balance model is proposed to estimate the structure of sea breeze. The balance is calculated from the numerical data provided by the simulation. Moreover, the mean kinetic energy balances of four areas in the Tokyo metropolitan are analyzed by using this method. From the results, it is clarified that the sea breeze is interrupted by the resistance and turbulence caused by buildings at the inter city. The interruption effect is increased by verticalization of urban structures.
社団法人日本建築学会の論文
2008-10-30