Number and size of last-glacial Missoula floods in the Columbia River valley between the Pasco Basin, Washington, and Portland, Oregon

• Main Authors: Benito, Gerardo, O'Connor, Jim E.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Geological Society of America 2003
• Subjects: Quaternary; Columbia Basin; Missoula floods; Fluvial features; Radiocarbon dating; Glacial Lake; Pasco; Ice Sheet
• Online Access: http://hdl.handle.net/10261/12878; https://doi.org/10.1130/0016-7606(2003)115<0624:NASOLM>2.0.CO;2

Field evidence and radiocarbon age dating, combined with hydraulic flow modeling, provide new information on the magnitude, frequency, and chronology of late Pleistocene Missoula floods in the Columbia River valley between the Pasco Basin, Washington, and Portland, Oregon. More than 25 floods had di...