GEOG 2051 Chapter : Geography 2051
Document Summary
Introduction: what is geography: earth/describe, approaches, systematic, regional, man-enviornment. The earth: shape: oblate sheriod, diameter: 7927 miles, 27 miles shorter thru poles, 72% water, north hemisphere land, south hemisphere water. Maps and grid systems: problem: two dimensional surfact, map properties, direction/azimuth, distance, area/relative to each other, shape. Types of projections: planar/plane, conic, cylindrical, math/others. Scale: verbal, one inch=one mile, graphic, 0____1____2____3, fractional, 1/62,500; 1/63360, small scale vs. large scale, 1/250,000. Exam question: as the scale of the map gets larger,the deteail. A paper is 4inches by 8 inches 1in = 1 mile = 32 square miles . In = 2 miles 128 square miles 1 in = four miles 512 square. Grid system: latitude- imaginary line running e-w, measures angular distance n- S: 0-90 degrees: longitude- imaginary line running n-s, measures. Question: walk 5 miles south, went 5 miles east, shot a bear, Decided to walk to jeep the bear is white.
