An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
 Image Number D2421-1 |
Physical scientist Martha Anderson and research leader Bill Kustas view a global scale map of evapotranspiration generated with the ALEXI model. Anderson and Kustas are collaborating with U.S. and international researchers from all the major continents in evaluating ALEXI output.
Photo by Peggy Greb.
