- Ruth DeFries
Ruth DeFries (born 1957) is an environmental geographer who specializes in the use of
remote sensing to study Earth's habitability under the influence of human activities, such asdeforestation , [cite web|url=http://www.accessmylibrary.com/coms2/summary_0286-7451676_ITM|title=Maryland-Led Research Revises Estimates of Tropical Deforestation.|date=2002-10-14|publisher=Ascribe Higher Education News Service|accessdate=2008-09-16] [cite web|url=http://www.sciencedaily.com/releases/2001/06/010605072649.htm|title=An Improved Method For Monitoring National And Global Deforestation|date=2001-06-05|publisher=ScienceDaily|accessdate=2008-09-16] [cite web|url=http://www.sciencedaily.com/releases/2006/09/060920092900.htm|title=Growth In Amazon Cropland May Impact Climate And Deforestation Patterns|date=2006-09-22|publisher=ScienceDaily|accessdate=2008-09-16] that influence regulating biophysical and biogeochemical processes.cite web|url=http://www.earth.columbia.edu/ac/bios/defries.html|title=Ruth DeFries biography|publisher=The Earth Institute, Columbia University|accessdate=2008-09-16] She was one of 24 recipients of the 2007MacArthur Fellowship , [cite web|url=http://www.macfound.org/site/c.lkLXJ8MQKrH/b.2913825/apps/nl/content2.asp?content_id={FACCE0E3-8520-4752-9B5D-0F05779C3340}¬oc=1|title=MacArthur Fellows 2007|publisher=The John D. and Catherine T. MacArthur Foundation|accessdate=2008-09-16] [cite web|url=http://www.accessmylibrary.com/coms2/summary_0286-32968352_ITM|title='Genius' rewarded: Hopkins physician, UM geographer are among 24 awarded $500,000 MacArthur grants for research.|date=2007-09-25|publisher=Baltimore Sun|accessdate=2008-09-16] and was elected to theUnited States National Academy of Sciences in 2006. [cite web|url=http://www.newsdesk.umd.edu/scitech/release.cfm?ArticleID=1277|title=A Conversation with UM's Ruth DeFries, Newly Elected to the National Academy of Sciences|publisher=University of Maryland|accessdate=2008-09-16]DeFries received her Ph.D. in 1980 from the Department of Geography and Environmental Engineering at
Johns Hopkins University and her B.A. in Earth Science in 1976 fromWashington University . DeFries currently holds the Denning Family Chair in Sustainable Development in the Department of Ecology, Evolution, and Environmental Biology, atColumbia University as well as a professorship at theUniversity of Maryland, College Park where she has joint appointments in the Department of Geography and the Earth System Science Interdisciplinary Center.References
External links
* [http://www.glue.umd.edu/~rdefries/homepage/ Homepage at University of Maryland]
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