Description Usage Format Details Examples
Named urban areas with more than 100k in minimum estimated population. Area data derived from satellite imagery (NASA/MODIS). Place names from Washington Post/NaturalEarthData. Population estimates from Landscan.
1 |
A simple features data frame with five variables: #'
allnames
all city names falling within the urban area
namecount
number of named city centers falling within the urban area
area_sqkm
total square km of the urban area
pop_max
maximum estimate for population (based on landscan)
pop_min
minumum estimate for population (based on landscan)
wikidataids
all ids of the widata entry for the city. same order as allnames. e.g. Paris is Q90, so https://www.wikidata.org/wiki/Q90
geometry
The geographic area that the urban area covers. Derived from 2001-2003 Satellitte Imagery
name
, allnames
, namecount
, area_sqkm
, pop_max
and pop_min
,
wikidataids
, and geometry
.
Area Source: Schneider, A., M. A. Friedl, D. K. McIver, and C. E. Woodcock (2003) Mapping urban areas by fusing multiple sources of coarse resolution remotely sensed data. Photogrammetric Engineering and Remote Sensing, volume 69, pages 1377-1386.
1 2 | library(sf)
urbanareas
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