Offshore eutrophication evaluation model operating system construction method in China

A technology of eutrophication and evaluation model, which is applied in the direction of data processing application, prediction, calculation, etc., and can solve the problems that it is difficult to objectively evaluate the degree of eutrophication in water areas, and the response indicators are less considered.

Inactive Publication Date: 2013-08-21
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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Problems solved by technology

Therefore, some key response indicators indicating the degree of eutrophication are less considered in the above method, which makes it difficult to objectively evaluate the degree of eutrophication in the water area

Method used

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  • Offshore eutrophication evaluation model operating system construction method in China
  • Offshore eutrophication evaluation model operating system construction method in China
  • Offshore eutrophication evaluation model operating system construction method in China

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Embodiment Construction

[0083] The present invention will be further described below in conjunction with specific implementation methods and according to the monitoring data of the water area of ​​the Yangtze River Estuary in 2006.

[0084] (1) Establish evaluation indicators and standards for target waters:

[0085] According to the characteristics of the target water area, modules such as water quality status and ecological response that reflect the degree of eutrophication were selected, and a comprehensive evaluation model for eutrophication was constructed on this basis. The evaluation indicators in the water quality status module include dissolved inorganic nitrogen, phosphate and chemical oxygen demand, and the evaluation indicators in the ecological response module include direct response evaluation indicators (i.e. phytoplankton chlorophyll a, dinoflagellate cell abundance ratio and macroalgae problem) and indirect response evaluation indicators (ie toxic and harmful algal blooms and bottom ...

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Abstract

The invention relates to an offshore eutrophication evaluation model construction method in China. The method comprises the following steps of determining various evaluation indexes reflecting eutrophication degrees of offshore water areas in China, setting a threshold and a range of a target water area evaluation index, determining evaluation standards of the eutrophication indexes, dividing a target water area into different areas according to hydrological, physicochemical and biological characteristics, constructing a water quality state module for eutrophication evaluation of the target area utilizing the evaluation indexes, the evaluation standards and the different areas in the target water area, constructing an ecological response module for eutrophication evaluation of the target area utilizing the evaluation indexes, the evaluation standards and the different areas in the target water area, and constructing a comprehensive evaluation module for eutrophication of the target water area through the water quality state module and the ecological response module. The calculation efficiency of eutrophication evaluation is improved, offshore eutrophication evaluation in China is integrated, normalized and standardized, and generalization of offshore water area eutrophication evaluation in China is realized.

Description

[0001] This case is a divisional application of "Evaluation Model of my country's Offshore Eutrophication and Construction Method of its Operating System". The application date is September 19, 2010, and the application number is 201010290891.0. technical field [0002] The invention belongs to the technical field of ecological environment quality evaluation in offshore waters, in particular to a method for constructing an operating system for an evaluation model of offshore eutrophication. Background technique [0003] Eutrophication destroys the ecological balance of the water area, changes the structure and degrades the function of the original ecosystem, and causes red tide outbreaks. Eutrophication in estuaries and coastal waters is a serious environmental problem plaguing the coastal countries of the world. As the largest estuary in my country, the Yangtze Estuary is the most important spawning ground, fattening ground and habitat for coastal aquatic animals in my coun...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04
Inventor 俞志明柴超王晓红宋秀贤
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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