FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W3139569703> ?p ?o ?g. }

• W3139569703 endingPage "2683" @default.
• W3139569703 startingPage "2661" @default.
• W3139569703 abstract "Abstract The Missouri River is a continent-scale river that has thus far escaped a rigorous reporting of valley fill trends within its trunk system. This study summarizes evolution of the lower Missouri River profile from the time of outwash in the Last Glacial Maximum (LGM) until establishment of the modern dominantly precipitation-fed river. This work relies on optically stimulated luminescence (OSL) dating, water-well data, and a collection of surficial geological maps of the valley compiled from U.S. Geological Survey EDMAP and National Science Foundation Research Experience for Undergrads projects. Mapping reveals five traceable surfaces within valley fill between Yankton, South Dakota, USA, and Columbia, Missouri, USA, that record two cycles of incision and aggradation between ca. 23 ka and ca. 8 ka. The river aggraded during the LGM to form the Malta Bend surface by ca. 26 ka. The Malta Bend surface is buried and fragmented but presumed to record a braided outwash plain. The Malta Bend surface was incised up to 18 m between ca. 23 ka and ca. 16 ka to form the Carrolton surface (ca. 16 ka to ca. 14 ka). The Carrollton surface ghosts a braided outwash morphology locally through overlying mud. Aggradation followed (ca. 14 ka to ca. 13.5 ka) to within 4 m of the modern floodplain surface and generated the Salix surface (ca. 13.5 to ca. 12 ka). By Salix time, the Missouri River was no longer an outwash river and formed a single-thread meandering pattern. Reincision at ca. 12 ka followed Salix deposition to form the short-lived Vermillion surface at approximately the grade of the earlier Carrolton surface. Rapid aggradation from ca. 10 ka to ca. 8 ka followed and formed the modern Omaha surface (ca. 8 ka to Present). The higher Malta Bend and Omaha profiles are at roughly the same grade, as are the lower Carrolton and Vermillion surfaces. The Salix surface is in between. All surfaces converge downstream as they enter the narrow and shallow bedrock valley just before reaching Columbia, Missouri. The maximum departure of the profiles is 18 m near Sioux City, Iowa, USA, at ∼100 km downstream from the James Lobe glacial input near Yankton, South Dakota. Incision and aggradation appear to be driven by relative changes in input of sediment and water related to glacial advance and retreat and then later by climatic changes near the Holocene transition. The incision from the Malta Bend to the Carrolton surface records the initial breakdown of the cryosphere at the end of the LGM, and this same incisional event is found in both the Ohio and Mississippi valleys. This incisional event records a “big wash” that resulted in the evacuation of sediment from each of the major outwash rivers of North America. The direction and magnitude of incision from the LGM to the modern does not fit with modeled glacioisostatic adjustment trends for the Missouri Valley. Glaciotectonics likely influenced the magnitude of incision and aggradation secondarily but does not appear to have controlled the overall timing or magnitude of either. Glaciotectonic valley tilting during the Holocene, however, did likely cause the Holocene channel to consistently migrate away from the glacial front, which argues for a forebulge axis south of the Missouri Valley during the Holocene and, by inference, earlier. This is at least 200 km south of where models predict the Holocene forebulge axis. The Missouri Valley thus appears to reside in the tectonic low between the ice front and the forebulge crest. The buffer valley component of incision caused by profile variation could explain as much as 25 m of the total ∼40 m of valley incision at Sioux City, Iowa. The Missouri Valley also hosted a glacial lobe as far south as Sioux City, Iowa, in pre-Wisconsinan time, which is also a factor in valley excavation." @default.
• W3139569703 created "2021-04-13" @default.
• W3139569703 creator A5003441137 @default.
• W3139569703 creator A5016207911 @default.
• W3139569703 creator A5088335422 @default.
• W3139569703 date "2021-03-29" @default.
• W3139569703 modified "2023-09-27" @default.
• W3139569703 title "The ups and downs of the Missouri River from Pleistocene to present: Impact of climatic change and forebulge migration on river profiles, river course, and valley fill complexity" @default.
• W3139569703 cites W1552602914 @default.
• W3139569703 cites W1562504550 @default.
• W3139569703 cites W1584440283 @default.
• W3139569703 cites W1852669444 @default.
• W3139569703 cites W1965930047 @default.
• W3139569703 cites W1970077963 @default.
• W3139569703 cites W1977594215 @default.
• W3139569703 cites W1977698327 @default.
• W3139569703 cites W1978306621 @default.
• W3139569703 cites W1990136463 @default.
• W3139569703 cites W1995238254 @default.
• W3139569703 cites W1995628360 @default.
• W3139569703 cites W1996520078 @default.
• W3139569703 cites W1996580175 @default.
• W3139569703 cites W1996848861 @default.
• W3139569703 cites W1996984261 @default.
• W3139569703 cites W1999215418 @default.
• W3139569703 cites W2005363261 @default.
• W3139569703 cites W2007738323 @default.
• W3139569703 cites W2011267698 @default.
• W3139569703 cites W2016315539 @default.
• W3139569703 cites W2017596128 @default.
• W3139569703 cites W2018139159 @default.
• W3139569703 cites W2018560310 @default.
• W3139569703 cites W2021800930 @default.
• W3139569703 cites W2025618597 @default.
• W3139569703 cites W2026316453 @default.
• W3139569703 cites W2030842431 @default.
• W3139569703 cites W2034318321 @default.
• W3139569703 cites W2034489033 @default.
• W3139569703 cites W2035845666 @default.
• W3139569703 cites W2038532360 @default.
• W3139569703 cites W2045772499 @default.
• W3139569703 cites W2055615694 @default.
• W3139569703 cites W2058707824 @default.
• W3139569703 cites W2059834224 @default.
• W3139569703 cites W2068010249 @default.
• W3139569703 cites W2074306670 @default.
• W3139569703 cites W2074382578 @default.
• W3139569703 cites W2078403371 @default.
• W3139569703 cites W2080458803 @default.
• W3139569703 cites W2088121360 @default.
• W3139569703 cites W2091350509 @default.
• W3139569703 cites W2094408279 @default.
• W3139569703 cites W2098173806 @default.
• W3139569703 cites W2109254022 @default.
• W3139569703 cites W2110164758 @default.
• W3139569703 cites W2112236890 @default.
• W3139569703 cites W2112363056 @default.
• W3139569703 cites W2114832130 @default.
• W3139569703 cites W2118381748 @default.
• W3139569703 cites W2130432031 @default.
• W3139569703 cites W2138971672 @default.
• W3139569703 cites W2139716100 @default.
• W3139569703 cites W2139743662 @default.
• W3139569703 cites W2149925448 @default.
• W3139569703 cites W2156869239 @default.
• W3139569703 cites W2161973685 @default.
• W3139569703 cites W2168018662 @default.
• W3139569703 cites W2180160021 @default.
• W3139569703 cites W2281383159 @default.
• W3139569703 cites W2895068436 @default.
• W3139569703 cites W3008916496 @default.
• W3139569703 doi "https://doi.org/10.1130/b35909.1" @default.
• W3139569703 hasPublicationYear "2021" @default.
• W3139569703 type Work @default.
• W3139569703 sameAs 3139569703 @default.
• W3139569703 citedByCount "1" @default.
• W3139569703 countsByYear W31395697032022 @default.
• W3139569703 crossrefType "journal-article" @default.
• W3139569703 hasAuthorship W3139569703A5003441137 @default.
• W3139569703 hasAuthorship W3139569703A5016207911 @default.
• W3139569703 hasAuthorship W3139569703A5088335422 @default.
• W3139569703 hasBestOaLocation W31395697031 @default.
• W3139569703 hasConcept C109007969 @default.
• W3139569703 hasConcept C112959462 @default.
• W3139569703 hasConcept C114793014 @default.
• W3139569703 hasConcept C127313418 @default.
• W3139569703 hasConcept C142614818 @default.
• W3139569703 hasConcept C151730666 @default.
• W3139569703 hasConcept C155681218 @default.
• W3139569703 hasConcept C15739521 @default.
• W3139569703 hasConcept C15785411 @default.
• W3139569703 hasConcept C166957645 @default.
• W3139569703 hasConcept C17409809 @default.
• W3139569703 hasConcept C187320778 @default.
• W3139569703 hasConcept C188291805 @default.
• W3139569703 hasConcept C20116678 @default.
• W3139569703 hasConcept C205649164 @default.
• W3139569703 hasConcept C53570757 @default.

• next