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Land pressure calculation method and system based on Dyna-CLUE model

A computing method, land technology, applied in computing, computer components, character and pattern recognition, etc., can solve problems such as lack of flexibility, major changes in land use, and inability to consider

Inactive Publication Date: 2017-09-08
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a land pressure calculation method and system that overcomes the above-mentioned problems or at least partially solves the above-mentioned problems, and solves the problem that the existing land pressure calculation cannot consider the major changes in land use caused by the preferences of land managers and lacks flexibility.

Method used

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  • Land pressure calculation method and system based on Dyna-CLUE model
  • Land pressure calculation method and system based on Dyna-CLUE model
  • Land pressure calculation method and system based on Dyna-CLUE model

Examples

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Effect test

Embodiment 1

[0041] Such as figure 1 and figure 2 As shown in the figure, a land pressure calculation method is shown in the figure. The Dyna-CLUE model is used to simulate the future land use distribution pattern, and the result of the land use area is obtained. The formula calculation of the result area and the value of the planned area can be As a reference tool for land managers to understand the pressure of land use in a region, it includes:

[0042] S1. Classify the existing land use types in the target area, and extract the land area corresponding to each classification;

[0043] S2. Simulate the future regional land use distribution data through the Dyna-CLUE model;

[0044] S3. Analyze and calculate the area corresponding to each land use type in the land planning of the target area as demand data, and obtain the pressure value of each land use type in the target area.

[0045] As preferably, the step S1 specifically includes:

[0046] S11. Obtain relevant data of the target ...

Embodiment 2

[0095] A land pressure calculation system is provided in this embodiment, including:

[0096] The land information acquisition module classifies the existing land use types in the target area and extracts the land area corresponding to each classification;

[0097] The Dyna-CLUE module simulates the future regional land use distribution data through the Dyna-CLUE model;

[0098] The pressure value calculation module analyzes and calculates the area corresponding to each land use type in the land planning of the target area as demand data, and obtains the pressure value of each land use type in the target area.

[0099] To sum up, this application proposes a land pressure calculation method and system based on the Dyna-CLUE model. By obtaining remote sensing image data and using a classification method based on decision trees to classify the existing land use types in the target area, and extract The land area corresponding to each classification, and simulate the transformati...

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Abstract

The present invention provides a land pressure calculation method and system based on the Dyna-CLUE model. The method comprises: S1, classifying the existing land use types in a target area, and extracting the land area corresponding to each type; S2, simulating land use distribution data in the future area by using the Dyna-CLUE model; and S3, taking the area corresponding to the land use type in the target area land planning as demand data, and carrying out analysis and calculation on the demand data to obtain a pressure value of each land use type in the target area. According to the method and system provided by the present invention, future land use type transformation is simulated by using the Dyna-CLUE model, and land use overall planning is taken as the source of the regional land use pressure, so that the result of land use pressure is more reasonable; and pressure values of different land use types are calculated respectively, so that the method and system can help the land management and policy makers to quickly master the overall state of land use pressure in a certain area.

Description

technical field [0001] The present invention relates to the field of land planning, and more specifically, to a method and system for calculating land pressure based on the Dyna-CLUE model. Background technique [0002] Land is the material basis for human survival and development. Human beings meet their various needs through the development and utilization of land resources. With the growth of population and the development of urbanization, people's demand for land resources is increasing, but the supply of land resources is limited. Different interest groups have different interests in the use of land resources, and the competition of land resources is highlighted. come out. The multi-suitability of land resources is another reason for land resource competition. Land resources with superior natural conditions and location conditions can often meet people's various needs. The competition of land resources is manifested in the competition of various land use modes for l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06K9/62G06Q50/16
CPCG06Q10/06375G06Q50/165G06F18/241
Inventor 张荣群陈凌伟王朔孙玮健王大海
Owner CHINA AGRI UNIV
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