Methodological Study on the Evaluation of the Conservation-Utilized Potential of Second-class River on the Urban Fringe Area : A Case Study in the Southern Osaka Prefecture

摘要

This research is a case study focusing on a second-class river on the urban fringe area. Evaluation axes corresponding to each riverine function were established from the viewpoint of conserving and utilizing of the numerous functions possessed by river spaces. A concrete evaluation method was then devised through an examination of evaluation elements and ranks. Then the numerous functions possessed by river spaces were evaluated according to corresponding evaluation elements and ranks from the viewpoint of conservation of the natural environment and utilization to human beings. Through a process of synthesis, a method of evaluating the comprehensive conservation and utilized potential of river spaces was devised.