Lec 3 Jan 12 - Standard Time -standard time zones are laid...

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Standard Time -standard time zones are laid out in approximately 15 degree slices of longitude -we will use UTC (Universal Coordinated Time) Maps -maps area generalized depiction of a portion of the Earth’s surface and its features: portable, accurate, and convey information in multiple dimensions Types of maps -Topographic: gives changes in elevation on Earth’s surface -Thematic: stresses social of economic data within certain areas Scale -the ratio of the image on the map to the real feature is Scale -Scale can be presented in variety of ways -Written -Ratio/Representative Fraction -Bar or Graphic From Globe to Map -How do we depict the curved surface of the Earths on the flat page? -If we flatten he globe we produce a Gore Map, is there a problem with this -If we flatten it we will get distortion Map Projection -a map projection is used to produce a system of parallels and meridians Cylindrical Planar Conic -Important properties -ideally a map will have the same spatial properties of a globe, they include: 1) Shape (conformal)
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This note was uploaded on 03/31/2010 for the course GEO GG101 taught by Professor __ during the Winter '10 term at Wilfred Laurier University .

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Lec 3 Jan 12 - Standard Time -standard time zones are laid...

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