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Method and system for simulating vegetation productivity spatial pattern based on climate and soil

A technology of spatial pattern and productivity, applied in the field of geospatial space, can solve the problems that the vegetation productivity model does not consider soil factors, has many input variables, and complex calculations, and achieves the effect of strong applicability, comprehensive consideration, and high degree of interpretation

Active Publication Date: 2021-07-09
GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI
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Problems solved by technology

[0004] The technical problem to be solved by the embodiments of the present invention is to provide a method and system for simulating the spatial pattern of vegetation productivity based on climate and soil, which can solve the problems of less consideration of soil factors, many input variables and complex calculations in existing vegetation productivity models

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  • Method and system for simulating vegetation productivity spatial pattern based on climate and soil
  • Method and system for simulating vegetation productivity spatial pattern based on climate and soil
  • Method and system for simulating vegetation productivity spatial pattern based on climate and soil

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no. 1 example

[0046] see Figure 1-3 .

[0047] like figure 1As shown, this embodiment provides a method for simulating the spatial pattern of vegetation productivity based on climate and soil, at least including the following steps:

[0048] S1. Pre-screen the climatic factors that limit the vegetation productivity in the study area, and perform linear standardization on the climatic factors according to the tolerance of the vegetation in the study area to the climatic restrictions, and obtain the climate variables that simulate the spatial pattern of vegetation productivity in the study area.

[0049] Specifically, for step S1, the climatic factors that limit vegetation productivity (usually including precipitation, temperature, and solar radiation) are screened, and the climatic factors are linearly standardized according to the tolerance of vegetation to climatic constraints to obtain the climate that simulates the spatial pattern of vegetation productivity. variable.

[0050] S2. Se...

no. 2 example

[0135] see Figure 4 .

[0136] like Figure 4As shown, the present embodiment provides a system for simulating the spatial pattern of vegetation productivity based on climate and soil, including:

[0137] The climatic variable module 100 is used to pre-screen out the climatic factors that limit the vegetation productivity in the research area, and perform linear standardization on the climatic factors according to the tolerance of the vegetation in the research area to climate restrictions, so as to obtain the spatial pattern of vegetation productivity in the simulated research area. climate variable.

[0138] Specifically, for the climate variable module 100, the climatic factors (usually including precipitation, air temperature and solar radiation) that limit vegetation productivity are screened, and the climatic factors are linearly standardized according to the tolerance of vegetation to climatic constraints to obtain the spatial pattern of simulated vegetation producti...

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Abstract

The invention discloses a method and system for simulating a vegetation productivity spatial pattern based on climate and soil, and the method comprises the steps: screening climate factors limiting vegetation productivity, carrying out the linear standardization processing of the climate factors according to the tolerance of vegetation to climate limitation, and obtaining a climate variable simulating the vegetation productivity spatial pattern; selecting soil attributes influencing vegetation productivity as soil quality evaluation indexes, performing standardization processing, constructing soil quality parameters representing overall soil conditions of vegetation growth; and multiplying the standardized climate factor by the soil quality index to obtain a climate-soil index which is used for reflecting a vegetation productivity spatial pattern. According to the method, the technical scheme of simulating the vegetation productivity spatial pattern with more comprehensive consideration, higher interpretation degree and higher applicability is constructed, and the problems that an existing vegetation productivity model rarely considers soil factors, multiple input variables exist and calculation is complex can be solved.

Description

technical field [0001] The invention relates to the field of geospatial technology, in particular to a method and system for simulating the spatial pattern of vegetation productivity based on climate and soil. Background technique [0002] As a key component of the carbon cycle in terrestrial ecosystems, vegetation productivity plays a vital role in the process of carbon sequestration from the atmosphere to the biosphere. The large-scale spatial pattern of vegetation productivity is usually determined by environmental factors. In recent years, the simulation of regional and even global vegetation productivity has become an urgent issue to be solved. However, due to the huge workload of direct observation of sample points and the difficulties of deriving from the sample point scale to a larger scale, a large number of models have been proposed to estimate large-scale vegetation productivity. These models are currently divided into two categories: statistical models and proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06F17/11
CPCG06Q10/0639G06F17/11Y02A90/10
Inventor 耿守保王智慧蒋冲杨龙孙中宇温美丽
Owner GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI
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