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引用本文:雒文生,徐高洪.浅水湖泊水质系统滤波模型研究.湖泊科学,1995,7(1):47-56. DOI:10.18307/1995.0107
Luo Wensheng,Xu Gaohong.Research on water quality systematical filter model in a shallow lake. J. Lake Sci.1995,7(1):47-56. DOI:10.18307/1995.0107
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浅水湖泊水质系统滤波模型研究
雒文生1, 徐高洪2
1.武汉水利电力大学, 武汉 430072;2.水利部长江水利委员会水文局, 武汉 430010
摘要:
本文建立了浅水湖泊水质系统滤波模型和相应算法。根据滇池流场比较稳定等特点,对湖泊进行单元分区,考虑模型误差扰动和观测误差扰动的存在,建立系统的状态方程和观测方程,然后采用吉尔(Gill)算法求解微分方程,进行系统多点连续模拟和实时预报。用此法对1988年滇池的BOD、COD时空变化进行连续预报,取得满意结果。
关键词:  湖泊水质  滤波模型  水质预报
DOI:10.18307/1995.0107
分类号:
基金项目:
Research on water quality systematical filter model in a shallow lake
Luo Wensheng1, Xu Gaohong2
1.Wuhan University of Hydraulic and Electric Eng ineering, Wuhan 430072;2.Yangtze River Water Itefuurces Committee, Wuhan 430010
Abstract:
A water quality systematical filter model and its algorithm in a shallow lake have been established. On the basis of relative stability of flow field, cunsidering the disturbances of model error and observation error, the systematical state equation and observation equation can be gained by dividing the lake into calculated units. The model has properties of continuous simulation and real-time prediction by employing Gill method to solve differential equation. BOD and COD concentrations during 1988 in Dianchi Lake iji Yunnan Province have been simulated. The computed results by using this model are ia good agreement with the observed field data.
Key words:  Water quality  filter model  water quality prediction
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