Friday, November 20, 2009

Lab 6 - DEMs


 
 
 
The images above are all maps with the central focal point on Boulder, Colorado. To the West of the area are the Rocky Mountains, while to the East is the Great Plains of Colorado, hence the reason for the drastic difference in elevation. And it is because of this comparable difference that I decided to choose Boulder, CO as the center of the map. The elevation of the area has a moderate range, with the Great Plains being as low as 1,466 feet to 3,708 feet in the Rocky Mountains. The slope map is a map of interest here because a large portion of the map is just colored red - indicating the severity of the slope. Because this area is where the Rockys meet the Plains, the area is located on the downward slope and the slope map portrays just that: a (severe) downward slope. The area of the Earth that these maps capture are set by the longitude and latitude boundaries of -105.59 to -104.85 (W to E) and 40.18 to 39.87 (N to S) respectively. The maps are extracted from the data collected in the GCS North American Datum of 1983. 

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