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Friday, May 27, 2022
Home Photo from a 2017 survey of Greenland conducted by NASA’s Oceans Melting Greenland (OMG) mission. (NASA/JPL-Caltech) Photo from a 2017 survey of Greenland conducted by NASA's Oceans Melting Greenland (OMG) mission. (NASA/JPL-Caltech)

Photo from a 2017 survey of Greenland conducted by NASA’s Oceans Melting Greenland (OMG) mission. (NASA/JPL-Caltech)

Photo from a 2017 survey of Greenland conducted by NASA's Oceans Melting Greenland (OMG) mission. (NASA/JPL-Caltech)

Photo from a 2017 survey of Greenland conducted by NASA’s Oceans Melting Greenland (OMG) mission. (NASA/JPL-Caltech)

The Mississippi River Delta contains vast areas of marshes, swamps and barrier islands – important for wildlife and as protective buffers against storms and hurricanes. Rapid land subsidence due to sediment compaction and dewatering increases the rate of submergence in this system. (K.L. McKee / U.S. Geological Survey)