Abstract
The purpose of this study is to investigate the techniques for evaluating river environment. Therefore, this paper is presented a technique based on people's opinions and sense as the first installment of this study. The questionnaires on living and river environment were executed to the dwellers at the 21 districts in Hiroshima City, the lower reach in the Ota. On these results, the structures of evaluation on living and river environment are clarified by using the factor analysis, and the 21 districts and river spaces are classified on the properties of evaluation of environment. Analysing the relation between the comprehensive and the conservative evaluation on living and river environment, the importance of the existence of river environment, especially as scenic and natural resources, is pointed out for the amenity of living environment in urban areas. As to the relation between evaluation and indexes composing the environment, the multiple regression models are described, and we find that the properties of evaluation are affected by the surrounding environment indexes.
