Things are moving right along in GIS 4048. This week we moved on from natural disasters and onto Homeland Security. The Department of Homeland Security (DHS) was created shortly after the terrorist attacks on Sept. 11, 2001. Today, the DHS is tasked with the protection of the United States and it's territories in the event of a terrorist attack, man-made disaster, and natural disasters. According to the
DHS website, their mission statement says "
The vision of homeland security is to ensure a homeland that is safe, secure, and resilient against terrorism and other hazards." DHS shares it responsibilities with the citizens of the US, ensuring that every town, city, and state is prepared for such disasters. This week we are focusing on the city of Washington D.C. and how GIS benefits it in the area of crime.
Map 1 is a depiction of all reported crimes for the month of January 2011. The bar graph helps to illustrate the number of crimes.
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Map 1
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Map 2 uses spatial analysis to show the number of crimes committed in each police station precinct. This type of analysis can aid the department in determining where new police stations might be needed.
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| Map 2 |
Map 3 shows a side by side comparison of specific crime density as determined using the Kernel Density tool.
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| Map 3 |
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