Tuesday, December 7, 2010

Lab 8

The map above shows the percentage of Asian population across different counties across the United States. The map was created by layering the data from the 2000 Census over the shapefile of the counties of the United States.   The different colored areas represent different ranges of percentages, which are determined by natural breaks in the data.  The darker the color of the county, the greater the percentage of Asians that reside there.  The west coast has the greatest percentage of Asians,  but there are many areas with pockets of dark blue counties, most noticeably in Texas, Florida, and near the Great Lakes. 

The map above shows the percentages of black people in the different counties across the United States.  It was created by layering black population data over the shapefile of the counties of the United States.  The percentages are divided by the natural breaks from the data, and the darker colors represent greater percentages of blacks.  The population of blacks appears to be highly concentrated in the South, specifically along the Atlantic Coast and along the Gulf of Mexico.  There are also areas with a high population of blacks in Southern California.  It is interesting to note that there are many full states that have very low populations of blacks across all counties. 

The map above shows the percentage of some other race across the counties of the United States.  The map was created by layering the data regarding some other race from the 2000 census over a shapefile of the counties of the United States.  The darker colored counties represent a higher percentage of some other race.  The areas of the highest percentage are in the western United States, and most of them occur in California and Texas.  This makes sense because they are areas known for the diversity of their populations.  Within the Midwest, there are states with very little "some other race" populations.



Overall, this GIS course has been very interesting.  I think that the course material is very valuable and applicable to many different fields and a I am glad that I got at least an initial exposure to it.  However, I do not think I will be continuing with GIS classes, mostly because although I find the field very interesting, I do not feel that I am computer literate enough to pursue a career in the area.  Nonetheless, I did find the labs enjoyable and am glad that I learned a little bit about something new.