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As mentioned, when a river rejuvenates, it gains more energy and erodes vertically to meet its new base level. A river terrace is the remains of an old floodplain at a higher elevation than the present one. It typically results from river rejuvenation with further rejuvenation able to form new terraces, resulting in a step like profile around a ...
In 1908, only a year after statehood, Arkansas River flooding at Tulsa caused $250,000 in damages ($8.48 million in 2023 dollars). The city was mostly on top of a bluff along the river, thus spared flooding. However, the railroad bridge across the river was washed away, disrupting railroad traffic westward until the bridge could be replaced. [1]
The river is flowing on bedrock in the upper image, but because sediment was deposited over time the riverbed has risen. This has caused the house to be buried in the lower image. Aggradation (or alluviation) is the term used in geology for the increase in land elevation, typically in a river system, due to the deposition of sediment.
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The Grand River Dam Authority (GRDA) is an agency of the state of Oklahoma created to control, develop, and maintain the Grand River waterway. It was created by the Oklahoma state legislature in 1935, and is headquartered in Tulsa, Oklahoma. GRDA was designed to be self-funding from the sales of electricity and water.
In November 1995, KWHB entered into a news share agreement with KJRH-TV to produce twice-daily news and weather updates each weekday at 5:55 and 6:29 p.m. The five-minute-long updates utilized the same anchors as those seen on KJRH's 5 and 6 p.m. newscasts. These news updates continued to air until the agreement concluded in 1998. [84]
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