面向地震风险评估的人口空间格网化技术研究

Abstract

Abstract: Life is one of the direct disaster bearing bodies of disastrous earthquakes. Timely and reliable exposure data of the population spatial distribution provide the important basis for seismic risk assessment. In order to improve the estimation accuracy of population spatial distribution, the population data in township-level from the sixth national population census and landuse data in 1:100000 scale were collected. Then, based on detailed refinement of landuse revision, the residential area-based spatial grid transform method for national population was built. After that, using the prediction of population growth method, 30″×30″ grid population dataset (2016—2025) in the Mainland China was produced. The result shows that based on the spatial heterogeneity of urban population, urban and rural population in the whole country (except Taiwan Province), this dataset reflects the difference in the township statistical units, and provides data support for seismic risk assessment.

Key words: Population distribution, Spatial grid transformation of population, Seismic risk assessment

CLC Number:

P315.9

YUAN Xiao-xiang, WANG Xiao-qing, DOU Ai-xia, DING Xiang, DING Ling, DENG Fei. Spatial Grid Transformation Technology of Population Data for Seismic Risk Assessment[J]. EARTHQUAKE, 2018, 38(4): 151-158.

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Spatial Grid Transformation Technology of Population Data for Seismic Risk Assessment

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