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Tidal-reach ecological-environment water demand amount calculation method

A technology of ecological environment and calculation method, which is applied in the direction of calculation, general water supply saving, design optimization/simulation, etc., to achieve the effect of less collection, high practicability and scalability, and easy collection

Inactive Publication Date: 2018-04-13
HOHAI UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, large-scale tidal flat reclamation will face huge challenges such as water resource security and ecological environment protection.

Method used

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  • Tidal-reach ecological-environment water demand amount calculation method

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Embodiment Construction

[0021] The present invention will be further described below. The following implementations are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present invention.

[0022] Such as figure 1 As shown, a method for calculating the ecological environment water demand of the tidal river reach based on hydrodynamic-water quality (sediment) coupling, the specific implementation steps are as follows:

[0023] Step 1: On the basis of clarifying the concept of water demand for the ecological environment of the river section, consider the requirements of the tidal river section to maintain the basic ecological environment function of the river and meet the requirements of water-salt balance, seepage recharge, river dilution, and self-purification. The composition of the ecological environment water demand in the tidal river section is the basic ecological water demand of the river course, the ecological ...

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Abstract

The invention discloses a tidal-reach ecological-environment water demand amount calculation method. Requirements of a tidal reach for maintaining basic river ecological-environment functions and satisfying water-salt balance, percolating recharging and river dilution and self-purification functions are considered on the basis of clarifying a tidal-reach ecological-environment water demand amountconcept, and composition of tidal-reach ecological-environment water demand amounts is clearly defined; an ecological-environment water demand amount model of the tidal reach on the basis of water quality consideration is constructed, and an ecological-environment water demand amount of the tidal reach on the basis of water quality consideration is calculated; an ecological-environment water demand amount model of the tidal reach on the basis of silt scouring and harbor protection consideration is constructed, and an ecological-environment water demand amount on the basis of silt scouring andharbor protection consideration is calculated; a basic riverway ecology water demand amount demanded by the tidal reach is determined on the basis of long-series flow data; and finally, a riverway ecological-environment water demand amount of the tidal reach of a coastal area is determined through comparing the ecological-environment water demand amount demanded by the tidal riverway in consideration of a water quality factor and the ecological-environment water demand amount demanded in consideration of silt scouring and harbor protection.

Description

technical field [0001] The invention relates to a calculation method for ecological environment water demand of a tidal river section based on hydrodynamic-water quality (sediment) coupling, and belongs to the technical field of water resource guarantee and ecological regulation in coastal areas. Background technique [0002] With the rapid economic development and the intensification of human activities, river ecosystems have been damaged to varying degrees, and regional ecological security has been threatened. The study of ecological water demand is of great significance for improving regional ecological health and promoting the harmony between human and nature in the region. In recent years, ecological water demand in river channels has become a hot topic in domestic research, and a large number of research results have emerged, but most of them remain at the stage of theoretical discussion. Most of the calculation methods are adopted from abroad, with more qualitative de...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20G06F2111/10Y02A20/152
Inventor 虞美秀李琼芳
Owner HOHAI UNIV
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