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  • noun

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(geology) flat elevated land with poor soil and little vegetation that is scarred by dry channels of glacial origin (especially in eastern Washington)

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It also serves as a prelude to the real story of Mystery of the Megaflood: how modern scientists, armed with Bretz's critical insight into the nature of the channeled scablands, and far more detailed knowledge of Glacial Lake Missoula than he or Pardee possessed, attempt to reconstruct the complex series of overlapping events that made much of the Pacific Northwest what it is today.
Those inundations, which occurred when a glacial lake burst through the edge of the ice sheet that constrained it, sculpted a chaotically eroded terrain in eastern Washington that geologists aptly call the Channeled Scablands.
Several of the features seen on the floor of the English Channel "certainly resemble those seen in the Channeled Scablands," says Timothy J.
travelled to the Channeled Scablands of eastern Washington state.
Many of the landscape features in the Channeled Scablands are similar to ones seen on the surface of Mars, so we can study volcanic activity on Mars by looking in our own backyard," said Andrew Ryan, who was the student coordinator for the LPSA field trip and is now in graduate school at Arizona State University in Tempe.
A key step was to find out "what we could learn about the columns in the Channeled Scablands from the air," said Cynthia Cheung, principal investigator for Goddard's Lunar and Planetary Sciences Academy.