Everything about Platte River totally explained
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The
Platte River is an approximately 310 mi. (499 km) long river in the
Western United States. It is a tributary to the
Missouri River, which in turn is a tributary to the
Mississippi River. Platte River being one of the most significant
river systems in the
watershed of the Missouri, it drains a large portion of the central
Great Plains in
Nebraska and the eastern
Rocky Mountains in
Colorado and
Wyoming. The river was highly significant in the westward expansion of the United States, providing the route for several major westward trails, including the
Oregon Trail and the
Mormon Trail. In the
18th century, it was also known among
French fur trappers who explored it as the
Nebraska River.
The Platte River is a braided stream that spans from the Rocky Mountains of Colorado and Wyoming to the Missouri River. It then pours into the Missouri River which leads into the Mississippi River and then into the Gulf of Mexico.
Description
The Platte River is formed in western Nebraska east of the city of
North Platte by the confluence of its two
affluents, the
South Platte and the
North Platte rivers, both of which rise in the eastern Rockies near the
Continental Divide. It flows in a large arc, southeast then northeast, across Nebraska south of the
Sandhills region, passing
Gothenburg,
Cozad,
Kearney, and
Grand Island. It is joined by the
Loup River southeast of
Columbus and flows east past
North Bend then to
Fremont, then south, passing south of
Omaha and joining the Missouri north of
Plattsmouth. Combined with the length of the North Platte, the Platte stretches over, with a drainage basin of .
The Platte River has three main stretches from the Rocky Mountains to North Platte, Nebraska from there to Columbus, Nebraska and the onto the Missouri River. It starts from ice melt in the mountains and then follows down to the plains of Nebraska where it's used to irrigate farmland. The Platte is stabilized by reservoir storage of flood water and return flow by ground storage and many small tributaries along the entire length of the river.
The Platte River is connected to many numbers of tributaries such as the North and South Platte Rivers which originate in the Rocky Mountains. From there it loses water on its way to the Missouri River and if it weren’t for rivers like the Loup and Elkhorn and also the Salt Creek then the Platte River would run dry due to evaporation and irrigation.
The Platte drains one of the most arid areas of the Great Plains and thus its flow is considerably lower than rivers of comparable length in North America. For much of its length, it's a classic wide and shallow
braided stream. During pioneer days, the common humorous description was that the Platte was "a mile wide at the mouth, but only six inches deep."
49ers said it was "too thick to drink, too thin to plow". In western Nebraska, the banks and riverbed of the Platte provide a green oasis amid an otherwise semi-arid region of North America. The central Platte River valley is an important stopover for migratory water birds, such as the
Whooping Crane and
Sandhill Crane, in their yearly traversal of the
Central Flyway.
This river has shrunk significantly in the past 70 years. This reduction in size is attributed in part to irrigation, and to a much greater extent to the waters diverted and used by the growing population of Colorado, which has outstripped the ability of its groundwater to sustain them.
History
The first
European to discover the Platte was the French explorer
Étienne de Veniard, sieur de Bourgmont in
1714, who named it the
Nebraskier, an Oto word meaning "flat water". The
French word for flat,
platte, was later applied. The river provided valuable transportation for the French trade in furs with the
Pawnee and
Oto indians
The Platte lay in a gray area between
Spanish and French claims in the Great Plains.
Joseph Naranjo, a black explorer, had also encountered the Platte, and later guided the
Villasur expedition there to stop French expansion. Theirs was the deepest penetration of
Spanish exploration into the central plains.
Ceded to the United States in the
Louisiana Purchase, the Platte was explored and mapped by Major
Stephen H. Long in
1820. The Platte was used by American trappers, and the
Great Platte River Road played an important role in westward expansion during the
19th century. It provided fresh water, game, and a clear path westward for the pioneers. Both the Oregon Trail and the Mormon Trail followed the Platte (and the North Platte). In the
1860s, the Platte and North Platte furnished the route of
Pony Express and later for the
Union Pacific portion of the first
transcontinental railroad. In the
20th century, its valley was used for the route of the
Lincoln Highway and later for
Interstate 80, which parallels the Platte (and the North Platte) through most of Nebraska.
This is also why many or most of Nebraska’s larger cities are located on or near the Platte River such as Omaha, Lincoln, Kearney, Grand Island, and North Platte. There were also historical sites along the Platte River such as Fort Kearny and other fur trading posts mostly due to the ease and abundance of traveling along the Platte River.
It is a very important historical piece in that it provided a well known and consistent path for the people who traveled along the Oregon and Mormon Trail. Now it's used as the route which I-80 follows across the middle of our country.
Then in 1859 the first irrigation ditch was built to divert water from the Platte in order to be used in farming. There are also many reservoirs along the Platte River used to supply water for farming irrigation such as Swanson Reservoir, Lake McConaughy, and Plum Creek Reservoir.
Species
The Platte is in the middle of the Central Flyway which is a primary North- South Corridor for migratory birds which affects many species including the Whooping Crane, Piping Plover, and Interior Least Tern which are all endangered and protected under the Platte River Endangered Species Partnership as well as the Pallid Sturgeon. It is also home to many other plants and animals.
Plants that occur often in the Platte River area are Big and Little Bluestem, switch grass, and cottonwood trees. Some of the more charismatic animals are white-tail deer, many types of catfish, Canadian Geese, and Bald Eagles. The Platte River has always been able to support many animals but recently due to urbanization and farming the ecosystem is being depleted.
Policy
The criteria for over appropriation according to the final reading of LB 962 is if the river basin, sub basin, or reach is subject to an interstate cooperative agreement among three or more states and if, prior to such date, the department has declared a moratorium on the issuance of new surface water appropriations in such river basin, sub basin or reach and has requested each natural resource district with jurisdiction in the affected area in such river basin, sub basin or reach either to close or to continue in effect a previously adopted closure of all or part of such river basin, sub basin, or reach to the issuance of additional water well permits in accordance with subdivision. The Platte River basin is mostly currently under over appropriation conditions.
There are also other policies currently in use. One of these that are being used to hopefully decrease the chance of waters becoming over appropriated is Platte River Cooperative Hydrology Study (COHYST) which is a product of the LB 962 bill. COHYST is a seven million dollar study of areas along the Platte River with goals to manage flows in the Platte River in order to benefit wildlife and determine whether or not areas are over appropriated.
Literary reference
In
Centennial,
James A. Michener's epic novel about the West from prehistoric to modern times, the second chapter is about the geological history of the Platte River tributary. The river as stopover for
sandhill cranes plays an important part in
Richard Powers' 2006 novel
The Echo Maker.
Algis, Laukaitis J. Searching for the Source. UNL. Lincoln: CoJMC, 2006.
Caponera, Daunte. Principles of Water Law and Administration: National and International. Taylor and Francis, 1992. 126-127.
Carolyn, Johnsen. Wrestling for Resources. UNL. Lincoln: CoJMC, 2006.
Condra, G. E. Development of the Platte River Bottomland in South Central Nebraska.
Annals of the Association of American Geographers 21 (1931): 101-105.
Endangered and Threatened Species of the Platte River. Washington, DC: The National Academies P, 2005.
Europeans Compete for Trade. Nebraska Studies. 20 Apr. 2008
.
Nemec, Kristine. Underground Treasure Trove. UNL. Lincoln: CoJMC, 2006.
Phelps, Steven. Genetic Identity of Pallid and Shovelnose Sturgeon. Copeia, Vol. 1983, No. 3 (Aug. 16, 1983), pp. 696-700
Summary of LB 962 Activities. Nebraska Department Natural Resources, 2004.
Further Information
Get more info on 'Platte River'.
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