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.
I want to thank University of Arizona geologist Vic Baker for recommending specific sites in the Scablands
, and for sending us scientific papers about the floods.
Several of the features seen on the floor of the English Channel "certainly resemble those seen in the Channeled Scablands
," says Timothy J.
An explanation for the formation of the Channeled Scablands was proposed in 1929 by J.
This explanation for the formation of the Channeled Scablands was initially rejected as a catastrophist notion.
But with trips to Mars hard to come by, the interns of the 2011 Lunar and Planetary Sciences Academy (LPSA) at NASA's Goddard Space Flight Center in Greenbelt, Md., 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.
Lower areas, including the angular scablands
near Horsethief Butte, were stripped of soil by giant Ice Age floods that roared down the Columbia River from a glacial dam in northern Idaho about 10,000 years ago.
The 8-by-10-foot structure with a sliding metal roof is nestled in the channeled scablands
and ponderosa pines of eastern Washington State a few miles southwest of Spokane.