Saint helena: Urban Extents
Urban extents illustrate the shape and area of urbanized places. Urbanized localities are defined as places with with 5,000 or more inhabitants that are delineated by stable night-time lights. For poorly lit areas, alternate sources are used to estimate the extent of cities.
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Uploaded on September 22, 2011
Taken on September 22, 2011
Saint helena: Urban Extents
Urban extents illustrate the shape and area of urbanized places. Urbanized localities are defined as places with with 5,000 or more inhabitants that are delineated by stable night-time lights. For poorly lit areas, alternate sources are used to estimate the extent of cities.
1,429
views
1
fave
0
comments
Uploaded on September 22, 2011
Taken on September 22, 2011