Students will examine a map projection of a chosen USGS topographic map …
Students will examine a map projection of a chosen USGS topographic map versus other maps. The teacher will explain that each map is drawn according to a specific map projection. Students will be given or shown a USGS poster of numerous map projections, as well as cartography in texts to illustrate how distance, direction, angle, or area have to be distorted.
Students will examine a map projection of a chosen USGS topographic map …
Students will examine a map projection of a chosen USGS topographic map versus other maps. The teacher will explain that each map is drawn according to a specific map projection. Students will be given or shown a USGS poster of numerous map projections, as well as cartography in texts to illustrate how distance, direction, angle, or area have to be distorted.
Geographic information systems (GIS), once used predominantly by experts in cartography and …
Geographic information systems (GIS), once used predominantly by experts in cartography and computer programming, have become pervasive in everyday business and consumer use. This unit explores GIS in general as a technology about which much more can be learned, and it also explores applications of that technology. Students experience GIS technology through the use of Google Earth on the environmental topic of plastics in the ocean in an area known as the Great Pacific Garbage Patch. The use of this topic in GIS makes the unit multidisciplinary, incorporating the physics of ocean currents, the chemistry associated with pollutant degradation and chemical sorption to organic-rich plastics, and ecological impact to aquatic biota.
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