Table 2 Data description and sources.
From: Site selection and prediction of urban emergency shelter based on VGAE-RF model
Type | Time | Sources | Description |
|---|---|---|---|
POI | 2021 | Amap API data open interface (https://lbs.amap.com) | Call Amap API crawling through Python web crawler technology, a total of 1,239,707 pieces of data in 23 categories |
Road network | 2021 | OpenStreetMap (https://www.openstreetmap.org) | Urban road network at all levels, used to calculate road network density |
Population | 2020 | WorldPop (www.worldpop.org) | Spatial resolution is 3 radians (approximately 100 m at the equator) |
DEM | 2019 | Geospatial Data Cloud (https://www.gscloud.cn) | The spatial resolution is 30 m, reflecting the topography of the study area |
Building outline | 2020 | The National Tibetan Plateau Data Center (https://data.tpdc.ac.cn) | Rooftop vectorized data of 90 cities in China |
Building height | 2020 | Zenodo (https://zenodo.org) | Building height data with nationwide coverage at 10-m resolution |
Administrative division | 2020 | National Catalogue Service For Geographic Information (https://www.webmap.cn) | Characterizes the boundaries of Beijing's administrative divisions and is used to extract explicit features within the region |
Statistical data | 2020 | The People's Government of Beijing Municipality (https://www.beijing.gov.cn) | Reflect the population distribution of each district and county |
Shelter statistics | 2022 | Beijing Emergency Management Bureau (http://yjglj.beijing.gov.cn) | Contains attribute information of emergency shelters to supplement the deficiencies of POI data |
