Karst region territorial space development suitability evaluation method and system

A technology of space development and evaluation method, which is applied in the field of land space planning, can solve problems such as unclear logic, emphasis on nature from a single perspective, and weak interpretation of element interaction, so as to achieve the effect of precise landing

Inactive Publication Date: 2020-11-03
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Problems solved by technology

Facing land space planning, the suitability evaluation of land space development has problems such as a single perspective that emphasi

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  • Karst region territorial space development suitability evaluation method and system
  • Karst region territorial space development suitability evaluation method and system

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Embodiment 1

[0038] Embodiment 1 of the present invention proposes a method for evaluating the suitability of national land space development in karst areas, including:

[0039] (1) Establishment of indicator system

[0040] Such as figure 1 As shown, according to the resource development conditions, environmental capacity, ecosystem service capacity and the degree of impact on land construction and development in karst areas, an evaluation index system for land space development suitability in karst areas is established; among them, the first-level indicators include: resources, environment, disasters and Ecology; each first-level indicator includes multiple second-level indicators, among which resources include: agricultural production conditions, urban construction conditions and water resources; environment includes: agricultural production environmental conditions and urban construction environmental conditions; disasters include: agricultural meteorological disasters and Geological ...

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Abstract

The invention discloses a karst region territorial space development suitability evaluation method and system, and the method comprises the steps: building a territorial space development suitabilityevaluation index system of a karst region, wherein first-level indexes comprise resources, environments, disasters and ecology, each first-level index comprises a plurality of second-level indexes, and the resources comprise agricultural production conditions, urban construction conditions and water resources, the environment comprises agricultural production environment conditions and urban construction environment conditions, the disasters comprise agricultural meteorological disasters and geological disasters, and the ecology comprises ecosystem service and ecological sensitivity; decomposing each second-level index into a plurality of third-level indexes; determining the weight of each three-level evaluation index by using an expert scoring method, and performing weighted average by using a comprehensive index method to obtain an evaluation result of each two-level index; and calculating an agricultural production suitability evaluation result, an urban construction suitability evaluation result and an ecological protection importance evaluation result according to each secondary index evaluation result.

Description

technical field [0001] The invention relates to the field of land space planning, in particular to a method and system for evaluating the suitability of land space development in karst areas. Background technique [0002] Land space planning is an important starting point for implementing the strategy of main functional areas and drawing a blueprint for a beautiful future land. The suitability evaluation of national land space development is the premise and foundation of national land space planning. The concept of land space development and construction suitability originated from the idea of ​​land suitability. The evaluation index system was mainly based on engineering geological conditions in the early stage, and then involved elements became more and more diversified, covering geological landforms, ecology, economy, and society. Scholars at home and abroad have used methods such as multi-element spatial overlay analysis, landscape pattern analysis, ecological niche mod...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q50/26
Inventor 付梦娣朱彦鹏李晨旭张贺全
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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