Abstract

Visualization of geographic information with GIS (Geophysical Information System) which manages the information with position coordinates is an effective tool also in regional environment study. In local environmental research, the approach from a macroscopic viewpoint which looks down at the whole field using GIS together with precise approach from the spot of the field study is required, in considering a long range and whole field environmental policy in a region. In this paper, the usefulness of visualization of the environmental information using GIS in regional environment study is verified by introducing the example of the approach from such a viewpoint in the Yodo-River Basin which Osaka University is carrying out. The example of rain outflow analysis, water quality analysis, forest book data analysis, and a forestry management plan is introduced.

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