Demographic method and demographic system for improving spatial resolution and updating speed

A technology of spatial resolution and population statistics, applied in the field of population statistics methods and systems for improving spatial resolution and update speed, can solve the problems of low geographic accuracy of population spatial analysis, slow update speed, and low spatial resolution of statistical data, etc. Achieve the effect of solving slow update, improving geographic accuracy, and solving low spatial resolution

Inactive Publication Date: 2009-12-02
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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Problems solved by technology

Although the land use elements that reflect human activities are added, the existing statistical systems and methods still have the problems

Method used

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  • Demographic method and demographic system for improving spatial resolution and updating speed
  • Demographic method and demographic system for improving spatial resolution and updating speed
  • Demographic method and demographic system for improving spatial resolution and updating speed

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Embodiment Construction

[0039] A detailed description will be given below in conjunction with the accompanying drawings and specific embodiments to further understand the purpose, scheme and effect of this case, but it is not intended to limit the scope of protection of the appended claims of this case.

[0040] figure 1 For the flow chart of the demographic method of the present invention to improve spatial resolution and update speed, refer to figure 1 , the demographic method includes:

[0041] The population database establishment step S10 is used to store relevant population data with unified spatial coordinate parameters, data formats, and metadata standards;

[0042] The regional statistical analysis step S20 is used to use the land use map as the main data source to perform spatial regional statistical analysis according to the preset area, and obtain the land use area information in the smallest administrative division unit of the preset area; the land use area information can be land Usin...

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Abstract

The invention discloses a demographic method and a demographic system for improving spatial resolution and updating a speed, wherein the method comprises a population database establishment step, a regional statistical analysis step, a spatial model analysis step and a grid demographic step, wherein the population database establishment step is used for storing relevant population data with a uniform spatial coordinate parameter, a data format and a metadata standard; the regional statistical analysis step is used for using a land utilization map as a main data source and carrying out spatial region statistical analysis according to a preset region to obtain land utilization area information of a minimal administrative division unit of the preset region; the spatial model analysis step is used for utilizing a population spatialization model to obtain population distribution information of the land utilization type in the minimal administrative division unit according to the land utilization area information of the minimal administrative division unit and demographic information of the minimal administrative division unit, and the grid demographic step is used for acquiring grid demographic information according to the population distribution information of the land utilization type and the land utilization area information.

Description

technical field [0001] The invention relates to the technical field of population statistics, in particular to a population statistics method and system for improving spatial resolution and updating speed. Background technique [0002] Standardized population spatial data is of great scientific value for building regional models of global change. In recent years, due to the unstable, imprecise, and inconsistent spatial positioning of demographic data, the quantification of population factors and the difficulty of spatial distribution, it has been unable to provide effective information support, which seriously hinders the response mechanism of human factors and ecological environment. Analysis of interaction patterns. Therefore, it is urgent to establish a high-resolution basic geographic unit to convert population data and natural data into a data platform that can be easily operated and analyzed. That is, the statistical data with the administrative area as the unit is s...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 杨小唤江东
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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