当前位置: 首页 > 文章 > 基于数学模型的乐清湾环境容量算法应用 浙江海洋学院学报(自然科学版) 2016,35 (5) 430-435
Position: Home > Articles > Application of Mathematical Model in the Yueqing Bay Environmental Capacity Algorithm Journal of Zhejiang Ocean University(Natural Science) 2016,35 (5) 430-435

基于数学模型的乐清湾环境容量算法应用

作  者:
谢中宇;刘涵心;陈界仁
单  位:
河海大学水利水电学院;国家海洋局第二海洋研究所工程海洋学重点实验室
关键词:
环境容量;污染物扩散;水体交换;数学模型;乐清湾
摘  要:
在实测资料分析的基础上建立了乐清湾潮流水环境数学模型,对乐清湾区域水动力环境及污染物扩散输移进行数值模拟,以COD为代表,计算分析了乐清湾在大麦屿港区规划中满足海洋功能区划水质标准下的COD环境容量。结果表明:乐清湾完成一次水交换时间为90 d,排污附近海区完成一次水交换为30 d。大潮期72 h排污口排放污染物COD影响范围大致为北至乐清湾底,西南至瓯江北口,南至洞头峡,东至鹿西岛以东15 km的海域,湾内COD浓度为1.231~1.232 mg/L。允许混合区的COD剩余环境容量大潮期为8 148.99~8 164.98 t/a;小潮期为8 144.64~8 162.75 t/a。大麦屿港区规划实施后满足乐清湾COD环境容量要求。
译  名:
Application of Mathematical Model in the Yueqing Bay Environmental Capacity Algorithm
作  者:
SHAO Zhu-feng;LIU Han-xin;CHEN Jie-ren;The Second Institute of Oceanography;College of Water Conservancy and Hydropower Engineering, Hehai University;
关键词:
environmental capacity;;pollutant dispersion;;water exchange;;mathematical model;;Yueqing bay
摘  要:
Based on the analysis of the measured data, the hydrodynamic and environment model is estab-lished, according to the numerical model of Yueqing bay area hydrodynamic environment and pollutant trans-port, calculation and analysis of the environmental capacity of typical bays have been carried out in the marine functional zoning. The calculated results is shown that: the water exchange time is 90 days in Yueqing bay,the water exchange time is 30 days near the sewage sea. The COD concentration is 1.231-1.232 mg/L at the inner bay in the tide period. The residual environmental capacity of COD is 8 144.64-8 162.75 t/ a in spring tide period. The residual environmental capacity of COD is 8 148.99-8 164.98 t/ a in neap tide period. The environmental capacity of Yueqing bays meet the requirements after the introduction of Damaiyu port planning.

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