Urban agglomeration land environment influence estimation method based on sky-land-biology
An evaluation method and technology of environmental impact, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of single time and space, lack of integrity of land environment, regional dynamics and continuous topology of space and time.
Inactive Publication Date: 2014-01-15
GUILIN UNIVERSITY OF TECHNOLOGY
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[0004] The purpose of the present invention is to solve the problem of lack of consideration of the integrity, regionality, dynamics and time-space continuous topology of the land environment, and provide a method based on "Heaven-Earth-Growth" Urban Agglomeration Land Environmental Impact Assessment Method
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[0051] In this embodiment, the indicators used by researchers are selected from the frequency of relevant land environment evolution impact indicators calculated by Guangxi Beibu Gulf urban agglomeration from 2000 to 2012; followed by cluster analysis, due to the complexity of human activities and Diversity, the urban agglomeration land environment impact factor system is difficult to objectively distinguish, and its subsystems and elements have complex relationships of interaction and mutual influence; under the index system proposed in the above steps, use the information entropy tool to assign weights to the indicators ; The data of the index system can be obtained by direct query or indirect calculation from the statistical yearbook. For some data that cannot be directly obtained, after analyzing the indicators, use similar data for reference and use alternative methods to approximate the assignment. The data have different units and dimensions, so the differences in their ...
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The invention discloses an urban agglomeration land environment influence estimation method based on sky-land-biology. From the angle of land environment solid three-dimension continuous space-time, an estimation index system of a land environment influential factor coupling system is established. From the three aspects of the sky, the land and the biology of the land environment, an improved grey correlation analysis is adopted and a correlation coupling model of urban agglomeration land environment factor interaction based on the mode of sky-land-biology is established. Finally, coupling characteristics of the sky, the land and the biology of an urban agglomeration land environment system are analyzed in a quantitative mode. The urban agglomeration land environment influence estimation method based on sky-land-biology has the advantages that the land environmental evolution factor coupling correlation model based on the mode of sky-land-biology is established, space-time continuous topological property of the land environment is fully taken into consideration, an estimation result can more objectively reflect evolution stages of the urban agglomeration land environment and a feasible method is provided for solving the problem of limiting land utilization scientific planning and decision, wherein the problem is caused by the land environment influence estimation single dimension study.
Description
technical field [0001] The invention belongs to the technical field of geographic information systems (GIS), and in particular relates to a land environment impact assessment method for urban agglomerations based on "heaven-earth-life". This method provides an urban agglomeration land environment based on the "heaven-earth-biology" model that combines geographic information system (GIS) technology, algebra and geometry methods from the aspects of land environment, land and ecology. evaluation method. Background technique [0002] With the acceleration of the urbanization process, my country's urban spatial form has begun to transform from a single city to a combined urban form such as metropolitan circles and urban belts, and the concept of urban agglomeration is being used more and more widely. In the current status of research on the land environment of urban agglomerations, scholars’ research mostly focuses on the study of applied land use change laws in terms of urban a...
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Inventor 李景文陆妍玲黄志英
Owner GUILIN UNIVERSITY OF TECHNOLOGY