Chap2_remotesensingsakai

# Chap2_remotesensingsakai - Topographic World Map Map-Flat...

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Topographic World Map http://printableworldmap.org/printable-world-map-topographical-wik.png Map -Flat Earth model -2D -Shows spatial distribution Basic components

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Map projections Fit the Earth’s spherical shape on a flat surface Basic fault of map Leads to distortion of Shape Area Distance
5 Relationship b/w length measured on a map and the actual distance that length represents on Earth. Source: Map Reading, Department of the Army Field Manual, FM 21-26. Washington, D.C.: U.S. Government Printing Office, 1969, p. 4-3. Ratio Map distance : Ground distance 1:24,000 1:250,000 What is a map scale useful for? Map scale

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6 Large vs. small scale Large scale = great detail small denominator Small scale = little detail large denominator Map scale Which of these scales is larger? 1:10,000 1:100,000
http://nj.usgs.gov/gw/geo-nj.html

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A Topographic Map Topography (relief) is indicated by the intervals between isolines Isolines: portray spatial distribution of some phenomenon
Elevation contour lines

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## This note was uploaded on 10/16/2011 for the course GEOGRAPHY 101 taught by Professor Vancura during the Spring '08 term at Rutgers.

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Chap2_remotesensingsakai - Topographic World Map Map-Flat...

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