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Crop Circles in the Desert

Over the course of 25 years, farms have sprouted in the Arabian Desert, fueled by deep and old groundwater.


NASA Earth Observatory image created by Robert Simmon and Jesse Allen, using Landsat data provided by the United States Geological Survey. Caption by Aries Keck and Michael Carlowicz. NASA and the U.S. Geological Survey (USGS) jointly manage Landsat, and the USGS preserves a 40-year archive of Landsat images that is freely available data over the Internet.

Published May 12, 2012
Data acquired January 17, 2012

Sources:
Landsat 4 > TM
Landsat 5 > TM
Landsat 7 > ETM+