The Landsat8 satellite, which is scheduled to launch in February, will provide information to the U.S. Geological Survey and NASA. Among other things, the satellite will allow researchers to monitor the spread of farmland around the world, which has implications for water consumption, according to geographer Prasad Thenkabail. "Ninety percent of all human water goes to croplands," he said. Landsat5 will be decommissioned after the launch of the new satellite.

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