National Risk Index Census Tracts
收藏USGS Coastal Change Hazards Portal2025-12-19 更新2026-05-09 收录
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https://crb-open-data-usgs.hub.arcgis.com/maps/9da4eeb936544335a6db0cd7a8448a51
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资源简介：
The National Risk Index Census Tracts feature layer contains Census tract-level data for the Risk Index, Expected Annual Loss, Social Vulnerability, and Community Resilience. The National Risk Index data helps to illustrate the communities most at risk for 18 natural hazards across the United States and territories.
创建时间：
2021-10-26
