Quantitative analysis method of urban greenfield development based on greenfield growth index

A quantitative analysis and green field technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as blank, insufficient effective technology and means, and lack of systematic research

Inactive Publication Date: 2012-09-12
TONGJI UNIV +1
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] In stark contrast to the actual needs, the effective technologies and means for green space growth are obvi

Method used

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  • Quantitative analysis method of urban greenfield development based on greenfield growth index
  • Quantitative analysis method of urban greenfield development based on greenfield growth index
  • Quantitative analysis method of urban greenfield development based on greenfield growth index

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Embodiment Construction

[0021] Below in conjunction with specific example and accompanying drawing, further describe content of the present invention:

[0022] Reference attached figure 1 , figure 1 It is the basic technical flow chart of the present invention. The quantitative analysis method of green space expansion proposed by the present invention is based on the evaluation index of green space expansion. The index system is divided into three scale levels of region, city and unit green space to measure the green growth. The system is divided into two parts: quantitative index and spatial pattern index. Starting from the quantitative demand for green space growth and the demand for green space spatial pattern change at each scale, the establishment of an evaluation system for measuring green space growth is discussed.

[0023] Regional Indicator System

[0024]

[0025] Note: i is the total number of green space landscape types, n is the number of elements in landscape type i, P is the pe...

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Abstract

The invention belongs to technical fields of geographic modeling and urban planning, and specially relates to a quantitative analysis method of an urban greenfield development based on a greenfield growth index. Specific steps of the invention are: 1. establishing an index system, wherein the index system is divided into three hierarchical scales including an area, an urban and a unit greenfield to measure a greenfield increase on different scales. The index system is divided into two parts including a quantity index and a space pattern index to establish an evaluating system to measure the greenfield increase according to a quantity need of the greenfield increase and a change of the greenfield space pattern from various scales. 2. determining a calculating parameter, wherein planning orientation is determined and a threshold is set on prior knowledge and combining industrial and international standards. 3. calculating a result specifically, wherein a space increase of greenfield is measured, counted and described, a process of the greenfield increase is analyzed, and a rule of the greenfield increase is researched through the index system participating into the calculation.

Description

technical field [0001] The invention belongs to the technical field of geographic modeling and urban planning, and in particular relates to a quantitative analysis method for urban green space expansion based on land growth index. Background technique [0002] The biggest feature of the development of China's urban green space and its spatial structure and ecological function is "dynamic". In many cities, the "once and for all" and "immutable" green space space structure no longer exists, and the green space with a single or pure function is rare. Instead, the reality is that it is constantly changing and enriching with urban development. The ideal goal needs to be an urban green space structure and ecological function that is based on the natural process, taking into account the development of cities and towns and constantly changing and improving, the structure and ecological function in stages, and gradually tending to optimization. In the past 20 years, the area of ​​Ch...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 陈蔚镇黄先刚冯绘马蔚纯
Owner TONGJI UNIV
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