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Research at the GIS/ASA Lab
 
The GIS/ASA Lab has supported a diverse array of highly productive research projects by Dartmouth College students, faculty, and staff. We present here just a brief selection of some current research topics:
 
Mapping flooding on the Mississippi River, spring 2011. Using newly acquired Landsat imagery, we performed a rapid assessment of the extent of flooding along the Mississippi River in portions of Tennessee, Arkansas, and Mississippi. The resulting maps and imagery were posted on our website less than 24 hours after the satellite overpass. Click here for more information.
MixedMetro: Analyzing segregation and diversity in the United States. We are exploring methods for classifying and visualizing the racial and ethnic diversity of neighborhoods across the United States. In the first stage of the project, we looked at segregation and diversity in sixteen metropolitan areas, and examined the relationships between neighborhood racial composition and prevalence of mixed-race couples. The second stage involved applying our metrics of racial composition to the 53 largest US metro areas, using data from the 1990 and 2000 censuses. In the near future, we will be adding data from the 2010 census, and expanding our maps to cover the entire US.
 
This project is a collaboration among researchers at Dartmouth College, the University of Washington, and the University of Georgia, and has been supported by the National Science Foundation, the Russell Sage Foundation, and the Neukom Institute at Dartmouth College. Click here for more information.
Spaceborne monitoring of large lakes worldwide. Humans are transforming the hydrologic cycle, particularly its terrestrial components, at an accelerating rate. These changes are both direct (via impoundment and diversion of rivers, drainage of wetlands, withdrawals of groundwater, etc.) and indirect, via climate change. In this study, we are using satellite imagery to monitor changes in water storage in approximately 50 large lakes worldwide. We developed and validated these methods at the Toshka Lakes site in Egypt, and have now used them to develop detailed records of changing lake surface area over the past decade for all lakes included in the study. Click here for more information (138 kb pdf).

 
If you would like to discuss a potential research project that could benefit from the lab's resources, data, and expertise, please contact us.

Home Research Teaching & Learning Publications About the ASA Lab

 

 
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