Regional water footprint vulnerability evaluation method based on input-output analysis technology

A technology of analysis technology and evaluation method, which is applied in the field of water resource evaluation and regional water footprint vulnerability evaluation, can solve the problems of impact and regional susceptibility to local water shortage, and achieve the effect of reducing internal and external risks and evaluating comprehensively

Inactive Publication Date: 2020-09-22
HOHAI UNIV
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Problems solved by technology

This risk demonstrates the region's vulnerability not only to local water scarcity but also to external water scarcity

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  • Regional water footprint vulnerability evaluation method based on input-output analysis technology
  • Regional water footprint vulnerability evaluation method based on input-output analysis technology
  • Regional water footprint vulnerability evaluation method based on input-output analysis technology

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Embodiment Construction

[0038] The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0039] A water footprint vulnerability assessment method based on input-output analysis technology, said method comprising the steps of:

[0040] Obtain the water consumption of the region, determine the external water footprint of the region and the external "scarce" water footprint of the region based on the input-output model;

[0041] Obtain a regional water stress index to determine the region's immediate vulnerability to water resources based on the region's water consumption and the region's external water footprint;

[0042] Determine the indirect water stress index for the region based on the region's external water footprint and the region's external "scarce" water footprint;

[0043] Determine the indirect vulnerability of water resources in the region based on the indirect water st...

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Abstract

The invention discloses a water footprint vulnerability evaluation method based on an input-output analysis technology, which comprises the steps of: obtaining the water consumption of a region, and determining the external water footprint of the region and the external scarce water footprint of the region; acquiring a water pressure index of the region, and determining the water resource direct vulnerability of the region according to the water consumption of the region and the external water footprint of the region; determining an indirect water pressure index of the region according to theexternal water footprint of the region and the external scarce water footprint of the region; according to the indirect water pressure index of the region, determining the water resource indirect vulnerability of the region; and determining the overall vulnerability of the region according to the water resource direct vulnerability of the region and the water resource indirect vulnerability of theregion. External water footprints and local water are jointly brought into a regional water resource network system and a management framework, and the vulnerability of the regional water footprintsis quantified, so that the method has guiding significance and popularization and use values for overall planning of regional internal and external water resource supply, reduction of internal and external risks of a water resource network and relief of regional water pressure.

Description

technical field [0001] The invention relates to a regional water footprint vulnerability evaluation method based on input-output analysis technology, and belongs to the technical field of water resource evaluation methods. Background technique [0002] Regional water managers focus more on local water use, often ignoring a region's large external water footprint beyond its boundaries. Due to the relatively concentrated population and high per capita living standards in the region, the consumption level is also relatively high. In order to meet the huge consumption demand of the region, the region needs to import a large amount of products from the outside, which leads to the indirect consumption of external water resources and the consumption of these products. The quantity of water resources is the external water footprint. The consumption demand of the input area will not be met without the external water footprint. Therefore, it is very necessary to integrate the extern...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06F17/16
CPCG06F17/16G06Q10/06315G06Q10/0635G06Q10/06393G06Q50/06
Inventor 张信信赵旭侯思雨
Owner HOHAI UNIV
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