城市化过程中平原河网地区流域自然地理特征发生着深刻变化,加剧或引发一系列的环境问题,流域健康受到威胁。该文基于流域健康评价的一般方法,尝试针对平原河网地区进行流域健康评价方法探讨。从流域健康指示因子、人类活动影响因子和流域健康限制因子三个方面,科学选取具有普遍性和典型性的14个二级指标,综合表征了高度城市化平原河网地区流域健康状况,并以上海浦东新区为例实证分析其健康状况与健康趋势。
Changes to the geographical features of the catchment area in plain river network have profound impacts on the environment resulting in deterioration of catchment health along with the development of urbanization.This paper attempts to assess the catchment health of plain river network with scientific methods and further analyzes the health status and health trend via the empirical study on Pudong District of Shanghai Municipality.