大気の動向におよぼす地形的要因について

概要

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From the point of view of preparation of the living environment without the air pollutants, it is necessary to examine the relationship between the wind direction and the land form factor. The purpose of this study was to examine the influence of the landform factor on the wind direction in Sagamihara, Ebina, Zama and Atsugi cities, Kanagawa Prefecture. We used the hourly values of the wind direction in the four cities. The overall trend of the variation of the wind direction in all stations was that from April to September, the wind blew from the north and south, and from October to March, only the north wind blew. We observed characteristic wind roses at all stations. As for the results of cluster analysis, we created a dendrogram which combined the clusters of Sagamihara and Hashimoto and then Sagamidai, Zama, Ebina, and Atsugi. It appears that the wind flows in urban ventilation lanes in these regions. Therefore, in changes of landform the wind direction should be fully examined based on the regional and seasonal character.
麻布大学の論文