What is your reason for ...
Published by Cliff Love, Consulting Member at Profitable Growth Services, LLC
What is your reason for data? Is it for realtime irrigation decision making or more for modeling development? Satelite data can be too slow to provide actionable decision making in day to day irrigation decision making, depending on the WHC (water holding capacity) of the soil.
Here is the LandSat website: http://landsat.gsfc.nasa.gov/?page_id=2367