Tuesday, May 17, 2011

Lab 6: DEM Maps

1. A one paragraph description of the area you selected AND the extent
information (in decimal degrees), as well as the information about the
geographic coordinate system (this can be found under the „Source‟ tab
of your original DEM);

While I was watching Survivorman, a reality tv show that teaches you how to survive in extreme conditions, the host found himself in the Moroccan mountains. This episode, interestingly coincided with our lab for the week and decided to do the DEM map on the High Atlas Mountains in central Morocco in Northern Africa. The High Atlas mountains are Africa's largest mountain range, and it can have extremes of both hot and cold weather. The specific episode, occurred in the southern half of the mountains in the arid desert; although it is dry, the northern half of the country tends to be more temperate. The mountain range is quite large and can peak over 10,000 feet, and like many other mountains over the world, it supplies the water for many valleys in North Africa.

The region of the mountain range below lies between 33.085 (top), 32. 420 (bottom), -5.010 (right) and 5.906 (left). The geographic coordinate system was WGS 1984 and used geocentric ellipsoid.

2. A shaded relief model of the area using a color-ramped DEM layered
above a hillshade model;

Shaded Relief





3. A slope map of your location;

Slope Map


4. An aspect map of your location;

Aspect Map





5. A 3D image of your location;

3D Image

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