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Method utilizing green quantity rate model for urban and rural ecological planning

A technology of green quantity rate and model, which is applied in the field of ecological zoning by green quantity rate model

Inactive Publication Date: 2012-08-22
TSINGHUA UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As for urban ecological planning, how to combine the current green quantity, scientifically plan the green quantity rate of plots as much as possible, and establish a green quantity rate index system to guide the design of urban green spaces has not yet been mentioned.

Method used

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  • Method utilizing green quantity rate model for urban and rural ecological planning
  • Method utilizing green quantity rate model for urban and rural ecological planning
  • Method utilizing green quantity rate model for urban and rural ecological planning

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specific example

[0083] Such as figure 2 As shown, the above method is used to plan the green volume rate of Huairou, Beijing. According to vegetation characteristics and community (group) ecological planning, calculate the green quantity rate of various vegetation communities and the green quantity rate of each grade area. The current total green volume of Huairou District is 7.14*109m2, the current green volume of human settlements is 2.41*104m2, and the current evaluation green volume rate is 3.349. The total planned green volume of Huairou District is 8.73*109. When the planned number of people is 48.3523, the planned per capita green volume is 1.81*104m2, and the planning evaluation green volume rate is 4.092.

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Abstract

The invention discloses a method utilizing a green quantity rate model to perform ecological division. The method comprises the following steps: surveying formation, configuration proportions and areas of a plurality of plant communities in a target area; calculating an average green quantity rate of each community according to a green quantity calculating model; calculating a real green quantity rate of some community according to the community configuration proportions; repeating a step S200 and a step S300 to calculate average green quantity or real green quantity of all the plant communities in the target area; and according to different grade division green coverage requirements, enabling the average green quantity rate of the plant communities to be multiplied with a green coverage rate to obtain the green quantity rate of the target area. According to the method utilizing the green capacity rate model to perform ecological division, the green capacity rate is quantified, the shortcomings that an existing green quantity rate cannot be calculated and the subjectivity is too strong are overcome, and plant configuration can be performed to the target area scientifically and reasonably.

Description

technical field [0001] The invention relates to a method for carrying out ecological division by using a green quantity rate model. Background technique [0002] In the existing urban green space system planning, the green area rate and green coverage rate are used to control urban construction. This controls the proportion of green space to a certain extent, but ignores the ecological benefits of different green spaces such as lawns, shrubs and trees, which cannot be generalized. In order to improve the ecological function of green space and constrain the connotation of green space, we propose a green capacity index system suitable for urban and rural ecological planning to guide urban ecological planning to pay attention to the ecological benefits of green space and rationally allocate trees, shrubs and grass communities. [0003] The green volume rate planning model is a spatial planning method that uses the leaf area index to reflect the ecological benefits of green spa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G23/00
Inventor 饶戎赵惠恩董翔
Owner TSINGHUA UNIV
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