Method for compositely evaluating ecological suitability of urban multifunctional land based on GIS (Geographic Information System)

A composite evaluation and suitability technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of only one use, low data mining utility, and poor consideration of ecological suitability evaluation factors, etc.

Inactive Publication Date: 2014-06-11
INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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Problems solved by technology

However, the existing ecological suitability analysis methods have the following two shortcomings: (1) The land function in the ecological suitability analysis is single, ignoring the complex characteristics of urban land use functions
Existing ecological suitability analysis usually only analyzes the suitability of land use function for construction, and the result of such analysis essentially only emphasizes the function of a single urban land use, while ignoring other potential land use functions
(2) Inadequate consideration or insufficient use of ecological suita...

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  • Method for compositely evaluating ecological suitability of urban multifunctional land based on GIS (Geographic Information System)
  • Method for compositely evaluating ecological suitability of urban multifunctional land based on GIS (Geographic Information System)
  • Method for compositely evaluating ecological suitability of urban multifunctional land based on GIS (Geographic Information System)

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Embodiment Construction

[0016] The present invention takes the composite evaluation of ecological suitability of land functions in Zhangpu County as an example, sets multiple land use functions, collects multiple ecological suitability elements, and constructs a composite evaluation system for ecological suitability according to the development needs of the local economy, society and ecological environment. The weighted overlay analysis is carried out in the ArcGIS system, and the application process of the composite evaluation method for the ecological suitability of urban multi-functional land based on GIS is demonstrated.

[0017] It includes the following steps:

[0018] a. According to the development goals of Zhangpu County's overall planning and the characteristics of the local natural environment, the leading functions of future land use in the county are set into four categories: ecological protection, ecological restoration, commercial and residential construction, and industrial constructio...

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Abstract

The invention provides a method for compositely evaluating the ecological suitability of urban multifunctional land based on a GIS (Geographic Information System), comprising the following steps: a, identifying the main potential functions of urban land; b, based on the function of each piece of main land, collecting the analysis elements of ecological suitability to form various elements for the analysis of index systems of land function objectives; c, obtaining the special distribution information of ecological suitability of various land functions through spatial analysis and calculation by utilizing the GIS. According to the method, the multiple potential functions of urban land utilization are targeted; as the analysis elements of ecological suitability are linked with multiple land function objectives, the excavation and utilization level of attribute data of existing spaces is significantly improved; therefore, the decision on urban land utilization is provided with more accurate science and technology support.

Description

technical field [0001] The invention relates to a GIS-based composite evaluation method for ecological suitability of urban multifunctional land. This GIS-based composite evaluation method of ecological suitability of urban multi-functional land use can not only be applied to the evaluation of land use suitability in ecological environment research, but also help to integrate ecological land use evaluation with the land use planning of the current land management department, and planning The Department's urban master plan integrates geographical and ecological theory into the urban land management decision-making process. Background technique [0002] Land is an important carrier of urban social and economic development, and it is also an important component of the ecosystem. Within a limited space, the potential utilization of urban land resources is diverse, including ecological protection land, ecological restoration land, road land, industrial land, etc., that is, the f...

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Application Information

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IPC IPC(8): G06F19/00
Inventor 吝涛刘继来
Owner INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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