河流环境关心点的位置定量化

提出了河流环境关心点的概念，即指河流两岸或河中体现或影响河流环境功能的环境要素与河流某断面相互作用的点。阐述了河流环境关心点与位置定量化之间的关系及编制点位图时应遵循的功能原则、水质原则和边界原则，指出河流环境关心点位图能够比较直观、全观地反映各点位分布情况。以沅江为例，叙述了绘制各环境关心点位的方法。

Location Determination Research of Environmental Concerned Pointof River

The concept of river's environmental concerned point, the interaction point between a river and environmental elements which implied or effect the river's function around the river or in the river, is suggested. The quantitative relationship of environmental concerned point, and its location and the functional and water quality and limit principles to make the site map, were suggested. The site map of environmental concerned point can imply the allocation of each points simply and comprehensively. Taking the Yuanjiang river for example, the method to map each concerned point was put forward.