| 鸭绿江(丹东段)水污染控制系统规划研究 |
| 摘要点击 1545 全文点击 1047 |
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| 中文摘要 |
| 鸭绿江是中朝两国的界河,是沿江两国人民生活和生产的主要水源。下游河道长233km,可分为各具特点的三个江段:上段由浑江至水丰电站,为水库淹没区;中段由太平湾电站至马市为河流段;下段由马市至江海分界线为感潮河口段,该段长约55km,潮流界在东尖头处,距江口27km。下段中,由大沙河口开始承纳中朝两国沿岸工矿、城镇排放的大量污水,使宽阔(干流宽度为1～3km)江面的沿岸两侧形成了二条明显的岸边污染带,中方江桥处污染带宽达200m左右。从目前和未来都不能满足水产养殖和旅游的要求。本研究的目的是为经济有效地改善鸭绿江水污染,提供近期和远期的污染综合防治方案;并为城市一区域水污染控制提供完整的系统规划经验。 |
| 英文摘要 |
| This paper outlines the studies on methods and procedures of systematic planning for water pollution control at the region of Dandong City-Yalu Estuary. Five aspects of water quality managment: prediction of pollutants, control of pollutant sources, discharge system of sewage, sewage treatment, and influence on aquatic environment have been considered as a whole system, from which 22 alternatives of projects and the optimal one have been investigated. And then, a planning project which conforms itself to integrative benefits of environment, economy and society has been made. In this paper, a new method, "computerized scanning calculation: gradient searching" is applied to estimate optimal parameters for modelling of river water quality. A two-dimension steady model that includes a considerable parameters is developed to simulate tidal water quality of the estuary. An analysis of "effectiveness-policy-making" for water management of multi-levels and multi-goals is applied. |
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