Abstract
In any big city in Japan, especially in Tokyo and Osaka, spreads a certain extent of land with various kinds of factors in the land use. Taking the case of Tokyo, such an area can be seen in Jotoh area (the eastern part of Tokyo).
The purpose of this treatise is to clarify the complicated structutre of the land use in Katsushika ward in Jotoh area and to show the most effective method of approach to the analytical study.
At first, the present writer made a searchnig inquiry into the state of the utilization of the whole land and every building in Katsushika ward, and classified the collected data into 15 groups according to the factors in the land use, und mapped them.
Secondly, the present writer analized the data by Grid Method according to the factors in the land use, and made a comparative study of those factors.
Thirdly, the present writer organized 5 groups (such as Industry, Commerce, Residence, other building, and Non-building area, that is, open lot) for 15 factors in accordance with their functions, and by use of the distribution chart of those groups, tried to clarify the complicated structure of the land use and the characteristics of the area.
This method is seemed to be the most fundamental and effective when we wish to clarify the utilization of land in a big city. Moreover, the analized data are not only useful for the urban study, but also indispensable to the further development of the adjustment of such big cities.
