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Remote
sensing derived land cover map
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30%
developed
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Technique:
Created from digitizing aerial photographs, showing outlines of
houses, driveways, roads and outbuildings.
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Technique:
Land cover depicted as 30 meter (~100 ft per side) pixels representing
predominant reflective signature of each pixel.
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Possible
uses: An accurate way of determining the amount of impervious
surfaces for runoff modeling, estimating impacts on water resources.
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Possible
uses: Good for town, regional or statewide planning purposes.
Generally shows what is on the land within the limits of the resolution
of the data.
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Generalized
land cover map
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Technique: Developed
area drawn by hand around developed areas as “eyeballed” from
planimetric, aerial photo, ground survey or other type of image.
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Technique: Parcel
(property boundary) data depicted as “developed” if
a structure is on it or if it can not be used for residential
use (e.g. it’s all wetlands, open space set aside, etc.)
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Possible
uses: Common type of map seen in town plans. Good
for general planning purposes but highly subjective.
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Possible
uses: Shows land that is currently or potentially
committed to developed uses. Good for build-out analyses
or to identify developed vs. developable land.
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