Urban ecological planning zoning method and system
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An ecological planning and urban technology, applied in the field of urban ecological planning zoning methods and systems, to achieve the effect of reducing the acquisition of irrelevant parameters and improving evaluation efficiency
Inactive Publication Date: 2019-10-11
武汉华新农大城乡规划设计院有限公司
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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.
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Embodiment 1
[0057] A kind of urban ecological planning zoning method, with reference to figure 1 , including step S101 to step S105.
[0058] Step S101: Obtain the plant type in the target area, and call an evaluation model suitable for the plant type.
[0059] The acquisition method is to provide users with plant types to choose from, select the plant types in the target area, and then obtain the user's selection results, and the plant types include trees, shrubs and herbaceous plants. Each plant type has a specific evaluation model that is adapted to the plant type, for example, the evaluation model for trees is
[0060] Ga arbor = , where DBH is the diameter at breast height, and the calculation formula is
[0061] . where t is the age of the tree.
[0062] The evaluation model for shrubs is
[0063] Ga shrub = aH-b. where H is the plant height.
[0064] The evaluation model for herbaceous plants is
[0065] Ga herb=LAI*S, where LAI=1.6.
[0066] Above, a1, a2, a3, b1, b2,...
Embodiment 2
[0076] An urban ecological planning zoning system, referring to figure 2 , including a processor and a memory, and the memory stores an instruction set for the processor to call to realize the following functions:
[0077] Obtain the plant type in the target area, and call the evaluation model suitable for the plant type;
[0078] Obtain the parameter values of each evaluation item of the evaluation model;
[0079] Calculate the evaluation value according to the evaluation model and the obtained parameter values;
[0080] Based on the calculated evaluation value of each plant type, the total evaluation score is calculated according to the total evaluation model;
[0081] Ecological divisions are divided according to the total score of the assessment.
[0082] Plant types include trees, shrubs, and herbs.
[0083] The evaluation model for the arbor is configured as
[0084] Ga arbor = ;
[0085] The evaluation model for shrubs is
[0086] Ga shrub = aH - b;
[0087...
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Abstract
The invention discloses an urban ecological planning zoning method and system, and relates to urban planning, which comprises the steps of obtaining a plant type of a target area, and calling an evaluation model adaptive to the plant type; obtaining a parameter value of each evaluation item of the evaluation model; calculating an evaluation value according to the evaluation model and the obtainedparameter value; calculating an evaluation total score according to a total evaluation model based on the evaluation value of each plant type obtained by calculation; and dividing ecological partitions according to the evaluation total score; calling an evaluation model matched with the plant type according to the plant type; carrying out subsequent evaluation and planning in a targeted manner with higher accuracy, obtaining parameter values according to evaluation items of the evaluation model; reducing acquisition of irrelevant parameters, improving evaluation efficiency, obtaining evaluation values after parameter values are obtained and directly substituting into the evaluation model to be calculated, then summarizing the evaluation values of all plant types according to the total evaluation model to calculate the total evaluation score, dividing ecological partitions according to the total evaluation score, and the whole process is more scientific and efficient.
Description
technical field [0001] The present invention relates to town planning, more specifically, it relates to a method and system for urban ecological planning division. Background technique [0002] Ecological planning is a type of planning that applies the principles of ecology, aims at the sustainable development of human settlements, and coordinates and improves the relationship between man and nature. [0003] Urban ecological planning is guided by the principles of ecology and urban ecology, with the aim of realizing the balance and coordination of the relationship between urban people and the environment, and creating an optimal urban environment for urban residents. [0004] 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 c...
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