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Urban Signatures: Evaporation (WMS)
Big cities influence the environment around them. For example, urban areas are typically warmer than their surroundings. Cities are strikingly visible in computer models that simulate the Earth's land surface. This visualization shows evaporation rates predicted by the Land Information System (LIS) for a day in June 2001. Evaporation is lower in the cities because water tends to run off pavement and into drains, rather than being absorbed by soil and plants from which it later evaporates. Only part of the global computation is shown, focusing on the highly urbanized northeast corridor in the United States, including the cities of Boston, New York, Philadelphia, Baltimore, and Washington.

This image shows evaporation rate (milligrams per square meter per second) predicted by LIS for 2001/06/11. The urban areas stand out very distinctly against their more evaporative surroundings.    This image shows evaporation rate (milligrams per square meter per second) predicted by LIS for 2001/06/11. The urban areas stand out very distinctly against their more evaporative surroundings.

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  1000 x 1000     PNG 559 KB
  320 x 320         JPEG 127 KB
  80 x 40             PNG   5 KB
  160 x 80           PNG 21 KB

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Evaporation color bar, with scale ranging from 0 to 225 mg/m2/sec. 		   Evaporation color bar, with scale ranging from 0 to 225 mg/m2/sec.

Available formats:
  320 x 90           PNG   1 KB

Animation Number:3154
Animator:Jeff de La Beaujardiere (Lead)
Studio:SVS
Completed:2005-05-10
Data set:LIS/Evaporation
Data Collected:2001/06/11
Series:WMS
 Land Information System
Keywords:
DLESE >> Human geography
GCMD >> EARTH SCIENCE >> Atmosphere >> Atmospheric Water Vapor >> Evaporation
GCMD >> EARTH SCIENCE >> Biosphere >> Terrestrial Ecosystems >> Urban Lands
GCMD >> EARTH SCIENCE >> Human Dimensions >> Environmental Impacts >> Urbanization
GCMD >> Location >> United States Of America
View Animation in Google Earth Google Earth KML file is available here.
DEPC Metadata is available here.
 
 
Please give credit for this item to
NASA/Goddard Space Flight Center
Scientific Visualization Studio. Additional credit should go to NASA GSFC Land Information System (http://lis.gsfc.nasa.gov/)


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