Tuesday, June 24, 2008
Isopachs
http://www.volcano.si.edu/volcanoes/region14/nicarag/cerroneg/14neg13f.png
Here is an isopach map displaying the ash fall from the Cerro Negro Volcano in Nicaragua. Isopach maps are frequently used to assist geologists. They map the areal extent and thickness variation of a stratigraphic unit.
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Sunday, June 22, 2008
Remote Sensing
Image URL- http://www.dcs.gla.ac.uk/~hall/personal/files/Glasgow-Satellite.jpg
This image is of Glasgow, Scotland. It is the largest city in Scotland and the third most populated in the United Kingdom. This image depicts many different features of Glasgow, one in particular being the University of Glasgow. This University is well known for contributing to the Scottish Enlightenment. Many other features can be seen such as the River Kelvin.
Univariate Choropleth Map
Unstandardized Choropleth maps
Standardized choropleth maps
Nominal area choropleth map
Bilateral Graph
http://www.globalhumanitarianassistance.org/New%20Images/Growth%20in%20bilateral%20humanitarian%20assistance%202005-2006%20copy.jpg
A bilateral graph depicts increases on one side of a zero line and a decreases on the other side. Bilateral graphs are used to display data when there is both positive and negative values. Here you can see increases and decreases in humanitarian services in various countries.
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