The White River rises in northwestern Nebraska, in Opaque - The River - Oneiric Dirges In Mono (CDr) Pine Ridge escarpment north of Harrisonat an elevation of 4, feet 1, m above sea level.
It flows east-northeast and southeast at the northern edge of the reservation, forming the northern boundary of the reservation and the southern boundary of Buffalo Gap National Grassland. It receives the Little White River about 15 miles 24 km south of Murdoand flows east to join the Missouri in Lake Francis Case about 15 miles 24 km southwest of Chamberlain.
The river sometimes has no surface flow due to the dry climate surrounding its badlands and prairie basin, though thunderstorms can cause brief intense flow. The river near Chamberlain flows year-round. As ofthe White River had generally good-quality water.
As of NovemberTC Energy was applying for permits in the state to tap the White River to use water for the construction of Phase 4 of the Keystone pipelineincluding camp construction to house transient construction workers. Alerts In Effect Dismiss. Dismiss View all alerts. Rivers and Streams. The river is dammed km 99 mi from its mouth by the Nangbeto Dama partnership between Benin and Togo completed in Studies have reported economic benefits from the dam, including tourism and fishing in the lake behind it.
The dam's construction displaced between 7, and 10, people, however, and studies indicate that it has substantially modified the ecology of the lagoon system at the river's mouth by reducing the natural seasonal fluctuations in river flow. A second dam project, Adjarala Opaque - The River - Oneiric Dirges In Mono (CDr)was proposed to be built on the river between Nangbeto and the river's mouth during the s  but did not receive financing until when the China-Africa Development Fund agreed to support the project.
About 35 km 22 mi from its mouth, there are six series of rapids. The rare permanent diversions in a watercourse which have been observed tend to be abrupt, like the Kaskawulsh River's theft of the Slims River headwaters in Canada's Yukon territory, which redirected the watercourse completely within days.
Stable connections are rarely observed because one watercourse usually wins capturing all the water for itself and leaving behind an empty streambed where the old course once ran, Stokes said.
The connection between the Casiquiare and Amazon rivers has existed for centuries, since at least the time of early European exploration. The Casiquiare fork looked so unnatural to eighteenth century European geographers that reports of the existence of the Rio Casiquiare ignited a great controversy.
Stokes and her colleagues analyzed measurements of water velocity and channel dimensions taken by the U. Army Corps of Engineers in and found that the Casiquiare is eroding faster than Opaque - The River - Oneiric Dirges In Mono (CDr) Orinoco, deepening its channel, while the Orinoco's flow is slowing further due to build-up of sediments in its streambed. The terrain on the Casiquiare side of the divide, which leads to the Amazon, is more than twice as steep as the flat valley the Orinoco runs through below the split.
Because of the steeper course and greater capacity for moving sediment, the new study concluded that eventually the Casiquiare will capture the flow of the Rio Orinoco upstream of the split for the Amazon Basin. When the diversion is complete, the Amazon will have stolen 40, square kilometers of the Orinoco's headwaters, an area about twice as big as Lake Ontario, diminishing the river's volume significantly.
The Casiquiare's hijacking is not the first time the Amazon has stolen a watershed from the Orinoco. Stokes and her colleagues point to evidence of two previous instances of piracy from the Orinoco. Combined with the redirection through the Rio Casiquiare, the diversions have addedsquare kilometers, a drainage area the size of Oregon, to the Amazon River Basin.
Other researchers have published evidence of past diversions from the Rio Essequibo into the Amazon Basin. Stokes said the bigger a river grows, the more power it has to wrest further diversions of water from neighbors. As the volume of water in the Amazon rose, so did the river's erosive power. Erosion in the headwaters of the Amazon's tributaries captured more water from neighboring basins, which further swelled and empowered the Amazon in an Opaque - The River - Oneiric Dirges In Mono (CDr) cycle.
Stokes and Opaque - The River - Oneiric Dirges In Mono (CDr) colleagues are interested in how river systems grow to become continent-spanning behemoths like the Amazon. Although scientists believe river capture is a normal process, they rarely see it in action.
Most examples have been reconstructed from evidence left by events that happened in the past. The mainstem of the upper Orinoco forks into the Casiquiare on a broad flat floodplain, where the high ground separating it from the Rio Negro basin rises only 3 to 10 meters 10 to 33 feet above the river at low flow. During annual floods, the river rises about 4 meters 13 feet. Louis, Springfield, and beyond. Following the lumber era, such individuals were concerned that game fish and animal populations had been decimated.
In large tracts of land were purchased in the region for the Clark National Forest which today is part of Mark Twain National Forest. In the Missouri Department of Conservation was established and game laws became more rigidly enforced in the region. It was also during the s that the U. Army Corps of Engineers began studies in earnest for the damming of the Current River for hydroelectric plants.
In plans were moving ahead and had it not been for WWII, it is likely that at least one dam would have been built. Following the war, plans to dam the river once again resurfaced but in the early s an anti-dam movement by conservationists became so strong that it finally squelched any further plans to harness that magnificent free-flowing stream. Conservationists had other intentions for the Jacks Fork and Current River and created for them a lasting destiny in the form of Ozark National Scenic Riverways.
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