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星湖水动力条件及水质模型的研究II.水质模型
李耀初, 李适宇, 周劲风, 赵明辉, 李娟
中山大学环境科学研究所 中山大学环境科学系 广州510275
摘要:
根据星湖的湖泊特征和水污染特点，建立了包括NH4+-N、NO2--N、NO3--N、CBOD、DO的多元耦合氧平衡模型、P平衡模型以及Chl.a-P关系统计模型。模型中的参数采用实验法、经验公式法以及利用实测资料率定等方法进行估值。经实测资料验证,模型精度达到基本要求，可应用于星湖水质管理的实际工作之中。
关键词:  水质模型  参数  验证  星湖
DOI：
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基金项目:广东省高校重点学科重点科研项目资助
RESEARCH OF HYDROLOGICAL CONDITION AND WATER QUALITY MODEL OF XINGHU LAKE
LI Yao-Chu, LI Shi-Yu, ZHOU Jin-Feng, ZHAO Ming-Hui, LI Juan
Institute of Environmental Science of Zhongshan University, Guangzhou, Department of Environmental Science of Zhongshan University, Guangzhou, 510275
Abstract:
Based on water pollution characteristics of Xinghu Lake, an oxygen equilibrium water quality model, in which the water quality indexes NH4+-N, NO2--N, NO3--N, CBOD, DO were included, a phosphate equilibrium model and a Chl.a-P relation statistical model were established. The parameters of the models were determined on basis of chemical experiments, empirical formula and statistical analysis. Water quality data of Xinghu Lake in 1993 were used to verify models and the results show that the deviation (in percentage) of calculated and real values is mostly less than 20%, which indicates that the models approximately simulate the movement of water flow and pollutants in Xinghu Lake. The models can be used in the water quality management work of Xinghu Lake.
Key words:  Water quality model, Parameter, Verification, Xinghu Lake
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