Parent Layer: Threats

Name: Population Density

Display Field:

Type: Raster Layer

Geometry Type: null

Description: Human population density contours modeled from 2010 U.S. Census Bureau block-level data. Block-level population densities for the coastal counties within the study area were calculated and converted into a 100 meter-squared raster file. Focal statistics were calculated for 1 km, 2 km and 5 km circular neighborhoods and then the layers were summed to result in a cumulative population pressure layer. The values were transformed using a natural log function and re-scaled with the range of 0 to 1.

Copyright Text: NOAA/NOS/NCCOS/CCMA/Biogeography Branch

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