rotating images of water-related scenes
     
Illinois Water Supply
Illinois State Water Survey
  
    
 
  Illinois Water Supply Home - Background - Glossary - Search  
  
 
Glossary Terms

 
Evapotranspiration:
     The process by which water is returned to the atmosphere by evaporation and transpiration caused by molecular activity at the liquid (water) surface where the liquid turns to vapor. Evaporation occurs at a free water surface interface; transpiration is essentially the same as evaporation except that the surface from which the water molecules escape is not a free-water surface. The surface for transpiration is largely leaves.

Choose Another Glossary Word

You can also Search the questions/terms. Term References    

Illinois Water Supply Home - Background - Glossary - Search


| Home | Highlights | Staff | Data | Information | Centers | Site Map |
 
University of Illinois at Urbana-Champaign logo Illinois State Water Survey, Contact Information
University of Illinois at Urbana-Champaign
All files and information © 2017 Illinois State Water Survey. Terms of use.
Email the Web Administrator with questions or comments.
Last Modified: May 8, 2013


Recent Papers, Documents, our latest Annual Report, Press Releases, and more Events and Information Reach our Staff here at the Survey by Email, Phone, or Postal Mail Download Online Data, Maps, Posters, and locate Sources for Offline Data Services, Events, Documents, Conferences, Scholarships, Employment Opportunities, How to find the Survey, Selected Journal Articles and more General Information about the Survey The Centers/Program/Office of The Water Survey Including The Office of the Director A Site Map of this Web Site with expanded and compact view options Search this Web site, our Publications Database, and more Information about the Illinois State Water Survey Illinois State Water Survey Home Recent Papers, Documents, our latest Annual Report, Press Releases, and more Events and Information Reach our Staff here at the Survey by Email, Phone, or Postal Mail Download Online Data, Maps, Posters, and locate Sources for Offline Data Services, Events, Documents, Conferences, Scholarships, Employment Opportunities, How to find the Survey, Selected Journal Articles and more General Information about the Survey The Centers/Program/Office of The Water Survey Including The Office of the Director A Site Map of this Web Site with expanded and compact view options Search this Web site, our Publications Database, and more