Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Missoula_Floods> ?p ?o }
- Missoula_Floods abstract "The Missoula Floods (also known as the Spokane Floods or the Bretz Floods) refer to the cataclysmic floods that swept periodically across eastern Washington and down the Columbia River Gorge at the end of the last ice age. The glacial flood events have been researched since the 1920s. These glacial lake outburst floods were the result of periodic sudden ruptures of the ice dam on the Clark Fork River that created Glacial Lake Missoula. After each ice dam rupture, the waters of the lake would rush down the Clark Fork and the Columbia River, flooding much of eastern Washington and the Willamette Valley in western Oregon. After the rupture, the ice would reform, creating Glacial Lake Missoula again.During the last deglaciation that followed the end of the Last Glacial Maximum, geologists estimate that a cycle of flooding and reformation of the lake lasted an average of 55 years and that the floods occurred several times over the 2,000-year period between 15,000 and 13,000 years ago. U.S. Geological Survey hydrologist Jim O'Connor and Spanish Center of Environmental Studies scientist Gerard Benito have found evidence of at least twenty-five massive floods, the largest discharging ≈10 cubic kilometers per hour (2.7 million m³/s, 13 times the Amazon River). Alternate estimates for the peak flow rate of the largest flood include 17 cubic kilometers per hour and range up to 60 cubic kilometers per hour. The maximum flow speed approached 36 meters/second (130 km/h or 80 mph).Within the Columbia Basin, detailed investigation of the Missoula floods' glaciofluvial deposits, informally known as the Hanford formation, has documented the presence of Middle and Early Pleistocene Missoula flood deposits within the Othello Channels, Columbia River Gorge, Channeled Scabland, Quincy Basin, Pasco Basin, and the Walla Walla Valley. Based on the presence of multiple interglacial calcretes interbedded with flood deposits, magnetostratigraphy, optically stimulated luminescence dating, and unconformity truncated clastic dikes, it has been estimated that the oldest of the Pleistocene Missoula floods happened before 1.5 million years ago. Because of the fragmentary nature of older glaciofluvial deposits, which have been largely removed by subsequent Missoula floods, within the Hanford formation, the exact number of older Missoula floods, which are known as Ancient Cataclysmic Floods, that occurred during the Pleistocene cannot be estimated with any confidence.".
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- Missoula_Floods wikiPageWikiLink Amazon_River.
- Missoula_Floods wikiPageWikiLink Basalt.
- Missoula_Floods wikiPageWikiLink Caliche.
- Missoula_Floods wikiPageWikiLink Catastrophism.
- Missoula_Floods wikiPageWikiLink Category:Columbia_River_Gorge.
- Missoula_Floods wikiPageWikiLink Category:Floods_in_the_United_States.
- Missoula_Floods wikiPageWikiLink Category:Geology_of_Montana.
- Missoula_Floods wikiPageWikiLink Category:Geology_of_Oregon.
- Missoula_Floods wikiPageWikiLink Category:Geology_of_Washington_(state).
- Missoula_Floods wikiPageWikiLink Category:Glacial_landforms.
- Missoula_Floods wikiPageWikiLink Category:Megafloods.
- Missoula_Floods wikiPageWikiLink Channeled_Scablands.
- Missoula_Floods wikiPageWikiLink Clark_Fork_River.
- Missoula_Floods wikiPageWikiLink Clastic_dike.
- Missoula_Floods wikiPageWikiLink Columbia_Basin.
- Missoula_Floods wikiPageWikiLink Columbia_Plateau.
- Missoula_Floods wikiPageWikiLink Columbia_River.
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- Missoula_Floods wikiPageWikiLink Deglaciation.
- Missoula_Floods wikiPageWikiLink Dry_Falls.
- Missoula_Floods wikiPageWikiLink Early_Pleistocene.
- Missoula_Floods wikiPageWikiLink Eastern_Washington.
- Missoula_Floods wikiPageWikiLink Erosion.
- Missoula_Floods wikiPageWikiLink Eugene,_Oregon.
- Missoula_Floods wikiPageWikiLink Flathead_River.
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- Missoula_Floods wikiPageWikiLink Geological_Society_of_America.
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- Missoula_Floods wikiPageWikiLink Giant_current_ripples.
- Missoula_Floods wikiPageWikiLink Glacial_erratic.
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- Missoula_Floods wikiPageWikiLink Grand_Coulee.
- Missoula_Floods wikiPageWikiLink Ice_Age_Floods_National_Geologic_Trail.
- Missoula_Floods wikiPageWikiLink Ice_age.
- Missoula_Floods wikiPageWikiLink Interglacial.
- Missoula_Floods wikiPageWikiLink J_Harlen_Bretz.
- Missoula_Floods wikiPageWikiLink Joseph_Pardee.
- Missoula_Floods wikiPageWikiLink Jökulhlaup.
- Missoula_Floods wikiPageWikiLink Kalama,_Washington.
- Missoula_Floods wikiPageWikiLink Lake_Missoula.
- Missoula_Floods wikiPageWikiLink Last_Glacial_Maximum.
- Missoula_Floods wikiPageWikiLink Loess.
- Missoula_Floods wikiPageWikiLink Magnetostratigraphy.
- Missoula_Floods wikiPageWikiLink Middle_Pleistocene.
- Missoula_Floods wikiPageWikiLink Mount_St._Helens.
- Missoula_Floods wikiPageWikiLink Nova_(TV_series).
- Missoula_Floods wikiPageWikiLink Optically_stimulated_luminescence.
- Missoula_Floods wikiPageWikiLink Oregon.
- Missoula_Floods wikiPageWikiLink Outburst_flood.
- Missoula_Floods wikiPageWikiLink PBS.
- Missoula_Floods wikiPageWikiLink Paleomagnetism.
- Missoula_Floods wikiPageWikiLink Pendant_bar.
- Missoula_Floods wikiPageWikiLink Pleistocene.
- Missoula_Floods wikiPageWikiLink Proglacial_lake.
- Missoula_Floods wikiPageWikiLink Rathdrum_Prairie.
- Missoula_Floods wikiPageWikiLink Rhythmite.
- Missoula_Floods wikiPageWikiLink Spokane_Valley,_Washington.
- Missoula_Floods wikiPageWikiLink TNT_equivalent.
- Missoula_Floods wikiPageWikiLink Tephra.
- Missoula_Floods wikiPageWikiLink Topography.
- Missoula_Floods wikiPageWikiLink Unconformity.
- Missoula_Floods wikiPageWikiLink Uniformitarianism.
- Missoula_Floods wikiPageWikiLink United_States_Geological_Survey.
- Missoula_Floods wikiPageWikiLink Varve.
- Missoula_Floods wikiPageWikiLink Walla_Walla_River.
- Missoula_Floods wikiPageWikiLink Washington_(state).
- Missoula_Floods wikiPageWikiLink Willamette_Valley.
- Missoula_Floods wikiPageWikiLink File:Dry_Falls_WA.jpg.
- Missoula_Floods wikiPageWikiLink File:Glacial_lake_missoula_high_water_mark_rock_4200_ft.jpg.
- Missoula_Floods wikiPageWikiLink File:Map_missoula_floods.gif.
- Missoula_Floods wikiPageWikiLink File:Wpdms_nasa_topo_missoula_floods.jpg.
- Missoula_Floods wikiPageWikiLinkText "Bretz (Missoula) floods".
- Missoula_Floods wikiPageWikiLinkText "Missoula Floods".
- Missoula_Floods wikiPageWikiLinkText "Missoula flood".
- Missoula_Floods wikiPageWikiLinkText "Missoula floods".
- Missoula_Floods wikiPageWikiLinkText "Missoula".
- Missoula_Floods wikiPageWikiLinkText "Spokane Floods".
- Missoula_Floods wikiPageWikiLinkText "catastrophic flooding".
- Missoula_Floods wikiPageWikiLinkText "drained and refilled repeatedly".
- Missoula_Floods wikiPageWikiLinkText "outburst floods".
- Missoula_Floods wikiPageWikiLinkText "prehistoric floods".
- Missoula_Floods wikiPageUsesTemplate Template:Cite_book.
- Missoula_Floods wikiPageUsesTemplate Template:Cite_news.
- Missoula_Floods wikiPageUsesTemplate Template:Columbia_River.