Remote sensing irrgation photos

ANDY FRENCH, ARS physical scientist, checks out equipment for collecting airborne remote sensing information at the ARS U.S. Arid Land Agricultural Research Center at Maricopa, Ariz.

DOUG HUNSAKER, Agricultural Research Service agricultural engineer, works on precise irrigation scheduling in a cotton trial. ARS photo

AN AERIAL VIEW of the cotton trial includes reflectance tarps used to calibrate equipment to accurately record crop status. ARS photo

ARS SCIENTISTS working on the irrigation project include, from left, Andy French, Kelly Thorp, Doug Hunsaker, and Terry Coffelt.

ARS UTILIZES clustered thermal and visible near infrared radiometers to estimate crop water use in a wireless digital network.