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关键词:乐清湾,污染物,水环境质量,总量分配,排污权交易
万方数据
METHODOLOGY AND APPLICATION OF TOTAL
DISCHARGE CONTROL OF POLLUTANTS IN LEQING BAY
ABSTRACT
Leqing Bay is located at coastal area of southern Zhejiang Province.
Leqing Bay covers 463.6 km2 in area and the coastal line is 184.7 km in
length. With the rapid economic and social development of regions along
Leqing Bay, more and more different pollutants have been discharged into the
bay. The amount of these pollutants exceeds the marine environmental
capacity of Leqing Bay, therefore the current water quality of the bay is
worth worrying. According to the monitoring data in 2006, there was no
first-type water quality of sea water in the bay, and water quality had
deteriorated to the fourth-type water quality or less. Worse more, most sea
zones are under eutrophication due to excessive discharge of total
nitrogen(TN) and total phosphorus(TP), which has greatly destroyed the
ecological environment of the ocean and even affected the further healthy
development of economy and society in the coastal regions.
In order to deal with the stiff situation of water quality deterioration and
万方数据
improve the environmental quality, it’s urgent to set up the scheme of total
discharge control of pollutants, which includes the estimation about flux of
pollutants entering to the sea, the calculation of marine environmental
capacity, optimization of capacity allocation among water zones and towns,
industrial capacity allocation, establishment and improvement of
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