Estimation method of bay environmental capacity based on comprehensive model of ecosystem dynamics

An environmental capacity and comprehensive model technology, applied in the field of estimating bay environmental capacity, can solve the problem of difficulty in obtaining estimation results, and achieve the effect of convenient bay environmental supervision and operation, and easy application.

Active Publication Date: 2019-03-08
广西博环环境咨询服务有限公司
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  • Application Information

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Problems solved by technology

However, due to the particularity of waves and wind fields caused by certain seabed topography such as shallow seas (low water depth) and bay-type seas, it is difficult to obtain suitable estimation results if the above estimation method is continued

Method used

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  • Estimation method of bay environmental capacity based on comprehensive model of ecosystem dynamics
  • Estimation method of bay environmental capacity based on comprehensive model of ecosystem dynamics
  • Estimation method of bay environmental capacity based on comprehensive model of ecosystem dynamics

Examples

Experimental program
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Embodiment

[0024] This example takes Qinzhou Bay as an example to carry out case verification, build a COD environmental capacity model, estimate the COD environmental capacity, and finally provide basic support for the total discharge control of sea area pollutants and the optimal layout of the bay industry.

[0025] Such as Figure 8 As shown, a method for estimating the environmental capacity of the bay based on the comprehensive model of ecosystem dynamics includes the following steps:

[0026] (1) First collect and collect data, select demonstration sites for environmental capacity control, set marine environmental water quality standards corresponding to the environmental capacity of the bay, and prepare data: tidal current flow direction in the bay, sequence data of COD emission concentration in the bay, and annual COD discharge in the bay;

[0027] (2) Considering the complex seabed topography and boundaries in the bay area, use the ecological dynamics model to simulate the distr...

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Abstract

The invention discloses a bay environment estimation capacity method based on an ecological system dynamic comprehensive model. The method comprises the steps of collecting data, selecting environmentcapacity control demonstration points, setting an ocean environment water quality standard corresponding to the bay environment capacity, preparing data, simulating bay tidal current and the seawaterwater level, simulating bay COD emission distribution through a marine ecological model, simulating discharged COD diffusion and dissolving processes through a hydrodynamic model, establishing a CODsea area water quality response field, and calculating the largest allowable bay COD bay environment capacity. According to the method, the bay environment capacity is simulated by coupling COD discharge under the condition that submarine topography and tidal hydrodynamic characteristics are considered. The method takes the particularity of a bay terrain and change of tidal ebb and tide bulge intoconsideration, a control threshold is set according to specific bay environment supervision requirements for coupling simulation, and the method can be applied to bay environment supervision and operation more conveniently.

Description

technical field [0001] The invention relates to a method for estimating the environmental capacity of a bay based on a comprehensive model of ecosystem dynamics. Background technique [0002] As the ecological environment is increasingly threatened by human activities and environmental pollution, the research on ecosystem health has attracted more and more researchers' attention in recent years, and has become one of the hot spots in the field of ecology and environment. The ecosystem provides human beings with a variety of services in terms of natural resources and living environment, and maintains the existence of life on earth. Ensuring the health of the ecosystem is the prerequisite for humans to obtain multiple services continuously, and it is also one of the reasons why humans pay attention to the health of the ecosystem. [0003] my country has a long coastline from north to south, and the coastal waters are rich in resources. However, in recent years, due to the inc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
CPCG06F30/23Y02A20/152
Inventor 张广平张晨晓
Owner 广西博环环境咨询服务有限公司
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