Human Geography 1123 - 1.28.08

Human Geography 1123 - 1.28.08 - Human Geography 1123 Dot...

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Human Geography 1123 Dot Neely January 28, 2008 Key Terms: Geotocist: one who studies and analyzes the surface of the Earth. Phenomena: that which we observe that is spatial or temporal. Datum: the relationship between and ellipsoid and a geoid. Gradicule: “squares: on a map made by intersecting lines of latitude and longitude 1. Geography a. The science of spatial analysis i. Examines spatial patterns (population spreads, etc.) b. Evaluates special distribution of particular geographical phenomena 2. Earth’s Shape: is a geoid a. Also known as an “oblate spiroidal” form b. Causes equatorial diameter to be larger than the polar diameter (see image on notes posted to WebCT) 3. Earth’s Surface a. Defined as “a surface that closely approximates average sea level, but across which gravity is everywhere equal” (gravity is not stronger in different places) b. A geoid is a “gravitationally exponential” surface i. Meaning that gravity is only theoretically equal ii. Uses ellipsoids to estimate surfaces because the surface is rough and doesn’t allow for
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Human Geography 1123 - 1.28.08 - Human Geography 1123 Dot...

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