Method for reasonably using domestic water in drainage basin

A domestic water and basin technology, applied to drinking water installations, water supply installations, buildings, etc., can solve problems such as high subjectivity and inconvenience

Inactive Publication Date: 2012-04-25
NANJING HYDRAULIC RES INST
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Problems solved by technology

Usually, indicators such as the proportion of population with safe drinking water, equity coefficie

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  • Method for reasonably using domestic water in drainage basin
  • Method for reasonably using domestic water in drainage basin
  • Method for reasonably using domestic water in drainage basin

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Embodiment Construction

[0020] The method for rational utilization of domestic water in the watershed of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] A method of rationally utilizing domestic water in a watershed. This method calculates the Gini coefficient of water using a binary structure model constructed by extensively collecting data on population growth and water resources development and utilization in the watershed, and combining the differences between urban domestic water and rural domestic water. Take it as the fairness evaluation basis for domestic water allocation in the basin. Specific steps are as follows:

[0022] 1) Investigate and analyze the current status and changing trends of population growth, water resources development and utilization, and water use efficiency in the basin;

[0023] 2) Analyze the characteristics of population changes in the basin, and combine the upstream and downstream characteristics to ca...

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Abstract

The invention discloses a method for reasonably using domestic water in a drainage basin, which comprises the specific steps of: carrying out investigation and analysis on population growth, development and utilization of water resources and the current situation and the variation tendency of the water use efficiency in the drainage basin; analyzing population variation characteristics and combining upstream and downstream characteristics to respectively calculate ratios of rural population and urban population; analyzing upstream and downstream water use efficiency difference characteristics in the drainage basin and calculating an upstream and downstream water use efficiency difference characteristic index; constructing a binary structure model and calculating a water use Gini coefficient in the drainage basin; and calculating water use Gini coefficients in the drainage basin in different target years and drawing a variation curve of the domestic water Gini coefficient in the drainage basin so as to totally evaluate the fairness and reasonability condition of the water utilization in the drainage basin and give service to the planning and management of the water sources in the drainage basin. The binary structure water use Gini coefficient model constructed in the method is comprehensive and accurate for a water use evaluation result, has high confidence level and can effectively reflect the fairness and reasonability using condition of the domestic water in the drainage basin.

Description

technical field [0001] The invention belongs to the field of water resources application, in particular to a method for rationally using domestic water in a river basin. Background technique [0002] The primary issue for the rational use of domestic water is the fairness of water consumption. The fairness of water consumption is the most basic issue in water distribution, directly related to the most realistic vital interests of the people, and is the core issue of sustainable use of water resources. With the acceleration of urbanization in my country, the shortage of water resources has become an important restrictive factor for the sustainable development of my country's economy and society. Coupled with the uncertainty of global warming, the contradiction between supply and demand of water resources in my country will become more prominent in the future. Therefore, how to ensure the fair distribution of limited water has become an important part of the development of peo...

Claims

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Application Information

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IPC IPC(8): E03B3/04
Inventor 王小军张建云王国庆贺瑞敏
Owner NANJING HYDRAULIC RES INST
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