Part Eight: Final Exercise . Final Exercise. A farmer is found with a high fever and developing pustules on his outer extremities, especially on the souls of his feet and palms of his hands. The EOC draws an immediate exposure area of 500 meters around the farm.
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Final Exercise A farmer is found with a high fever and developing pustules on his outer extremities, especially on the souls of his feet and palms of his hands. The EOC draws an immediate exposure area of 500 meters around the farm.
In GIS speak, what is this exposure area called? In epidemiology speak what would this area be called? Why did the EOC do this? How would this area be turned into an exposure buffer on the ground? What data sets are visible, what other datasets would be useful? 10 minutes
Two more exposure areas of An additional 500 meters have been drawn
Why would these additional buffers be added? What additional information would the EOC ask the field team for? 5 minutes
What type of GIS data is a roadway? Where would you get this data layer? Why would you want to query roads inside the buffer? 5 minutes
Why would you want to buffer the road? 5 minutes
Why would you want to add these farms? What type of GIS feature are farms? Name three ways these farms could be added into the GIS 7 minutes
What is an attribute? What possible attribute could be relevant to be visualized in this way for this example? 3 minutes
Those farms meeting a specific query have been selected out
How do we know which farms have been selected out? What might the query of the GIS have been? What would the attribute table look like? 5 minutes
What is the easiest way to get this information about a single farm in the GIS? If the EOC believes the disease is airborne – what Other GIS layers would be needed? If instead of an isolated farm, multiple cases of the disease had started to develop in a nearby urban area, how could the EOC have found a possible origin? 10 minutes
How would the concept of social vulnerability mapping be incorporated in the the EOC decision making process? What data would be needed to make a choropleth map? What dangers are involved in using this cartographic display? How could spatial sampling, and point-in-polygon improve what the EOC knows about the vulnerability of populations? 30 minutes