Fishery environmental pollution level evaluation method based on improved support vector machine

A technology of support vector machine and level assessment, applied in the field of level assessment, can solve problems such as secondary pollution, affecting the survival of fishery aquatic organisms, affecting the sea water quality and sedimentation environment in construction sea areas and nearby sea areas, and achieves high accuracy and intelligence Effect

Inactive Publication Date: 2017-06-20
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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Problems solved by technology

[0003] During the construction of sea-related projects, a large amount of suspended sediment will be generated, and the toxic and harmful substances contained in the suspended matter may be redissolved in the seawater to cause secondary pollution, which affects the seawater quality and sedimentation environment in the construction sea area and nearby sea areas. , thereby affecting the survival of fishery aquatic organisms

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  • Fishery environmental pollution level evaluation method based on improved support vector machine
  • Fishery environmental pollution level evaluation method based on improved support vector machine
  • Fishery environmental pollution level evaluation method based on improved support vector machine

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Embodiment Construction

[0022] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and examples of implementation, figure 1 The evaluation process of marine fishery environmental pollution degree is given, and the specific steps are as follows:

[0023] Step 1: Analysis of factors affecting the degree of marine fishery environmental pollution.

[0024] Factors affecting the environmental quality of fishery waters mainly include: suspended sediment produced in the construction of sea-related projects, and toxic and harmful substances brought by suspended sediment. Therefore, the water environment and sedimentary environment after the implementation of sea-related projects are investigated, and the water environment investigation items include salinity, pH, dissolved oxygen, floating matter, suspended matter, inorganic nitrogen, active phosphate, and chemical oxygen demand. Depositional environments include sulfides, organic c...

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Abstract

The invention provides a fishery water environmental pollution level evaluation method based on an improved support vector machine, and belongs to the technical field of environmental evaluation. The method comprises the steps that firstly the relevant factors influencing the quality of the fishery environment in the marine engineering are analyzed; then evaluation indicators are constructed according to the relevant factors, and tags are added for indicator sample data; and then the evaluation indicators are combined with a support vector machine model, the support vector machine model is optimized by combining the method of grid searching and cross validation, and the complex nonlinear relation between the evaluation indicators and the fishery environmental quality level is established so that the evaluation result is enabled to be more scientific and reasonable and meet the objective fact, and the great environmental quality level evaluation can also be obtained under the situation of limited samples.

Description

technical field [0001] The invention belongs to the technical field of environmental quality assessment, in particular to a method for assessing the environmental pollution level of fishery waters based on an improved support vector machine. [0002] technical background [0003] During the construction of sea-related projects, a large amount of suspended sediment will be generated, and the toxic and harmful substances contained in the suspended matter may be redissolved in the seawater to cause secondary pollution, which affects the seawater quality and sedimentation environment in the construction sea area and nearby sea areas. , thereby affecting the survival of fishery aquatic organisms. Therefore, the investigation of the fishery environment before and after the construction of sea-related construction projects and the assessment of the level of environmental pollution can fully grasp the changes in the sea environment before and after construction, which is of great sig...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06Q10/06G06Q50/02
CPCG06Q10/0635G06Q50/02G06F18/2135G06F18/2411
Inventor 崔正国曲克明赵俊陈碧鹃陈聚法
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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