Establishment of A Water Environment Carrying Capacity Evaluation Model

• Main Authors: Huang, Chong-Yi, 黃崇益
• Other Authors: Liaw Shu-Liang
• Format: Others
• Language: zh-TW
• Published: 1998
• Online Access: http://ndltd.ncl.edu.tw/handle/83329629972349509904

碩士 === 國立中央大學 === 環境工程學系 === 86 === The ecosystem of the Earth provides resource and environment for human beings to live and development. Resource and environment are limited in the Earth. The quantity of population and their activities are limited. In order to attain sustainable development for human beings, the activities of people must be limited under the carrying capacity of the Earth. Because of the influence by elements and interactions in the ecosystem of the Earth, the carrying capacity of the Earth is the main constraint to sustainable development for human. Base on ecosystem''s thinking, this study developed a method to evaluate the carrying capacity for a river basin and offered the related information to the decision-maker. For evaluated thecarrying capacity for a river basin, this study defined the definition of the carrying capacity at first. Secondly this study explicated ecosystem''s framework. Thirdly this study used D-S-R (Driving force-State- Response) construction to develop the evaluative method. Finally, this study built an evaluative model and an evaluative program to evaluate the carrying capacity for river basin. After the program evaluated, this study could get the carrying capacity for a river basin and the land-use type of the whole watershed at the same time. This study used the model to evaluate Chung-Kang River. The carrying capacity of Chung-Kang River was about 111,159 population equivalents in the present development based on some assumptions. The carrying capacity of Chung-Kang River would be increased about 30% when the land-use type of the river basin could be changed on ten percents allocation rates. In addition, industrial waste minimization of industrial process would increase the carrying capacity of Chung-Kang River also.