Fuzzy mathematics for evaluation of eutrophic levels in Honghu Lake of Hubei Province

FANG Tong-zhong; DU Yun; CAI Shu-ming; CHEN Bin; JIANG yan-sheng

Volume 25 Issue 4

Aug. 2008

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Article Navigation > Journal of Zhejiang A&F University > 2008 > 25(4): 517-521

FANG Tong-zhong, DU Yun, CAI Shu-ming, CHEN Bin, JIANG yan-sheng. Fuzzy mathematics for evaluation of eutrophic levels in Honghu Lake of Hubei Province[J]. Journal of Zhejiang A&F University, 2008, 25(4): 517-521.

Citation:

FANG Tong-zhong, DU Yun, CAI Shu-ming, CHEN Bin, JIANG yan-sheng. Fuzzy mathematics for evaluation of eutrophic levels in Honghu Lake of Hubei Province[J]. Journal of Zhejiang A&F University, 2008, 25(4): 517-521.

Fuzzy mathematics for evaluation of eutrophic levels in Honghu Lake of Hubei Province

1.
Institute of Geodesy and Geophysics，Chinese Academy of Sciences，Wuhan 430077，Hubei，China;
2.
Key Laboratory for Environment and Disaster Monitoring and Evaluation，Wuhan 430077，Hubei，China;
3.
Graduate University，Chinese Academy of Sciences，Beijing 100039，China;
4.
Irrigation Works Bureau of Hubei Province，Wuhan 430071，Hubei，China

More Information

Corresponding author: FANG Tong-zhong
Publish Date: 2008-08-20

Abstract

Trophic levels of Honghu Lake in Hubei Province were determined for more effective referencing and decision-making with lake management. Total phosphorus（TP），total nitrogen（TN），chemical oxygen demand for manganese，secchi disk depth（SD），and chlorophll-a（chl-a） for the inlet，breeding，open water，and wetland protection regions as well as the whole of Honghu Lake were measured. Then results of the fuzzy mathematics method were compared to the comprehensive trophic level index method，and these were evaluated against the data. Results of the fuzzy mathematics method showed that the inlet and breeding regions were slightly eutrophic，whereas the other three locations were mesotrophic. However，the comprehensive trophic level index method revealed that the inlet region was slightly eutorphic，while the other four locations were mesotrophic. Data collected showed that the fuzzy mathematics method was closer to the actual levels than the comprehensive trophic level index method，and that the entire lake was becoming eutrophic. ［Ch，1 fig. 3 tab. 19 ref.］
- water environment science,
- eutrophication evaluation,
- fuzzy mathematics method,
- fuzzy evaluation,
- Honghu Lake

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Fuzzy mathematics for evaluation of eutrophic levels in Honghu Lake of Hubei Province

1. Institute of Geodesy and Geophysics，Chinese Academy of Sciences，Wuhan 430077，Hubei，China;

2. Key Laboratory for Environment and Disaster Monitoring and Evaluation，Wuhan 430077，Hubei，China;

3. Graduate University，Chinese Academy of Sciences，Beijing 100039，China;

4. Irrigation Works Bureau of Hubei Province，Wuhan 430071，Hubei，China

Corresponding author: FANG Tong-zhong

Publish Date: 2008-08-20

Key words:

Abstract: Trophic levels of Honghu Lake in Hubei Province were determined for more effective referencing and decision-making with lake management. Total phosphorus（TP），total nitrogen（TN），chemical oxygen demand for manganese，secchi disk depth（SD），and chlorophll-a（chl-a） for the inlet，breeding，open water，and wetland protection regions as well as the whole of Honghu Lake were measured. Then results of the fuzzy mathematics method were compared to the comprehensive trophic level index method，and these were evaluated against the data. Results of the fuzzy mathematics method showed that the inlet and breeding regions were slightly eutrophic，whereas the other three locations were mesotrophic. However，the comprehensive trophic level index method revealed that the inlet region was slightly eutorphic，while the other four locations were mesotrophic. Data collected showed that the fuzzy mathematics method was closer to the actual levels than the comprehensive trophic level index method，and that the entire lake was becoming eutrophic. ［Ch，1 fig. 3 tab. 19 ref.］

Fuzzy mathematics for evaluation of eutrophic levels in Honghu Lake of Hubei Province

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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