Lecture 3

Lecture 3 - Lecture 3 Geographic Information 1 Our Planet A The Earth bumpy oblate spheroid rounder than poolball larger in northern hemisphere

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Lecture 3: Geographic Information 1. Our Planet A. The Earth - bumpy, oblate spheroid ( rounder than poolball) - larger in northern hemisphere - 25,000 miles in circumference, diameter 8,000 miles ( Approximately as smooth as poolball) - 71 % water, 29 % land B. Globe Graticule – latitude/ longitude lines - latitude – angular lines 0 – 90 degrees N, 0 – 90 degrees S (parallels) - longitude ^ Prime Meridian (UK), meridians 180 degree E, W International Dateline II. What is geographic information A. Information about the Earth/ Earth Phenomenon - spatially geographic features w/ properties - spatially referenced - stored ( pics / database) - displayed - analyzed decisions - digital/ computer ( now) B. Remote Sensing - take pics from above Earth’s surface - collect amount of Earth’s information - variety of spaceship, rebellion, aircrafts… - optical pictures III. Cartography: Art and Science of Maps A. Pictoral Models of reality - flat, graphical representation - features on surface
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This note was uploaded on 04/07/2008 for the course GEOG 5 taught by Professor Montello during the Fall '07 term at UCSB.

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Lecture 3 - Lecture 3 Geographic Information 1 Our Planet A The Earth bumpy oblate spheroid rounder than poolball larger in northern hemisphere

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