Whitewater canoeing

Whitewater canoeing

Whitewater canoeing is the sport of paddling a canoe on a moving body of water, typically a whitewater river. Whitewater canoeing can range from simple, carefree gently moving water, to demanding, dangerous whitewater. River rapids are graded like ski runs according to the difficulty, danger or severity of the rapid. Whitewater grades (or classes) range from I or 1 (the easiest) to VI or 6 (the most difficult/dangerous). Grade/Class I can be described as slightly moving water with ripples. Grade/Class VI can be described as severe or almost unrunnable whitewater, such as Niagara Falls.

Design

The canoe (or just 'boat') used in casual whitewater canoeing is different from those used in whitewater racing. Traditionally, canoes were made of tree bark, sewn with tree roots and sealed with resin. Early whitewater boats were fiberglass or kevlar, and this is still preferred for racing due to the light weight, but most modern whitewater boats are typically rotomoulded from a tough plastic that is slightly flexible and very durable, if easily scratched. Boats can range in size from barely long enough to hold the paddler (around convert|6|ft|m|abbr=on long), up to convert|12|ft|m|abbr=on or longer.

History

Paddling on rivers, lakes and oceans is as old as the Stone Age. The raft, the catamaran, the canoe and the kayak evolved depending on the needs and environment of the indigenous peoples in different parts of the world. The modern day canoe most likely originated about 8,000 years ago.

The Greek, Herodotus, 484-425 BC, wrote in his travel diaries about boats with which merchandise was brought from Armenia to Babylon. The boats were made of a wooden framework that was covered with animal skins. Mules hauled the precious skins back to Armenia.

The Scot, John MacGregor published in 1866 the book "A Thousand Miles in the Roy Rob Canoe". The timing was right and the book became a resounding success. With the Industrial Revolution leading to more leisure time in the middle of the 19th century, people in Europe started to enjoy floating down rivers in all kinds of contraptions taking in nature previously only available to a selected few.

Types

There are several 'sub-categories' in whitewater canoeing:

River running

River running can be thought of as a tour down a river, to enjoy the scenery as well as experiencing challenging whitewater. River running includes short day trips as well as longer multi-day trips. Multi-day canoe trips often entail the use of gear-toting rafts to allow a more comfortable experience without a heavily-laden canoe. Whitewater racing is the competitive aspect of this sub-category, racing canoes down a river as fast as possible.

Creeking

Creeking is perhaps best thought of as a subcategory of river running, involving very technical and difficult rapids, typically in the Grade/Class IV to VI range. While people will differ on the definition, creeking generally involves higher gradient (approaching or in excess of 100 ft per mi (19 m per km), and is likely to include running ledges, slides, and waterfalls on relatively small and tight rivers, though some will allow for very large and big volume rivers in their definition. Canoes used for creeking usually have higher volume (more gallons or liters of displacement) and more rounded bow and stern, as these features provide an extra margin of safety' against the likelihood of pinning, and will resurface more quickly and controllably when coming off larger drops. Creek boats usually have increased "rocker," or rise, on the bow to go up and over obstacles and obstructions within the river. Extreme racing is a competitive form of this aspect of whitewater canoeing, in which canoers race down steep sections and or generally dangerous sections of whitewater.

lalom

Slalom is a technical competitive form of canoeing, and the only whitewater event to appear in the Olympic Games. Racers attempt to make their way from the top to the bottom of a designated section of river as fast as possible, while correctly negotiating gates (a series of double-poles suspended vertically over the river). There are usually 18-25 gates in a race which must be navigated in sequential order. Green gates must be negotiated in a downstream direction, red gates in an upstream direction. The events are typically conducted on Grade/Class II to Grade/Class IV water, but the placement of the gates, and precision necessary to paddle them fast and "clean" (without touching a pole and adding 2 seconds to the total time), makes the moves much harder than the water's difficulty suggests. (Slalom has been described as performing class V moves with class III consequences.) Pro level slalom competitions have specific length (convert|350|cm|in|abbr=on for kayaks - new rules), width, and weight requirements for the boats, which will be made out of kevlar/fiberglass/carbon fiber composites to be light weight and have faster hull speed. Plastic whitewater canoes can be used in citizen-level races.

Playboating

Playboating, also known as Freestyle or Rodeo, is a more gymnastic and artistic kind of canoeing. While the other varieties of canoeing generally involve going from Point A to Point B, playboaters often stay in one spot in the river (usually in a hole, pourover or on a wave) where they work with and against the dynamic forces of the river to perform a variety of maneuvers. These can include surfing, spinning, and various vertical moves (cartwheels, loops, blunts, pistol and donkey flips, and many others), spinning the boat on all possible axis of rotation. More recently, aerial moves have become accessible, where paddlers perform tricks having gained air from using the speed and bounce of the wave. Canoes used for playboating generally have relatively low volume in the bow and stern, allowing the paddler to submerge the ends of the canoe with relative ease. Competitions for playboating or freestyle are sometimes called whitewater rodeo in the US, but more frequently just referred to as freestyle events in UK and Europe.

Techniques

Boofing

Boofing, in whitewater canoeing, refers to the raising of the canoe's bow during freefall, while descending a ledge, ducking behind a boulder, or running a waterfall. This technique is used to avoid submerging the bow of the canoe by ensuring it lands flat when it hits the base of the waterfall. The term is an onomatopoeia which mimics the sound that is usually created when the hull of the canoe makes contact with water at the base of the waterfall.

Another type of boof is the "rock boof" which is a move that uses a glancing impact with a boulder at the top of a ledge to bounce the boater over a downstream feature, often finished with a mid-air eddy turn. Rock boofs result in sounds both at the top of the drop (boat impacting rock) and the bottom (boat bellyflopping into the water).

See also

* Whitewater kayaking
* Rafting
* Riverboarding
* River surfing
* Freeboating
* List of whitewater rivers
* Canoeing at the Summer Olympics

Notes

External links

*
* [http://www.americanwhitewater.org/content/River/view/ River level Readings]


Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Stanley whitewater canoeing course — The Stanley whitewater canoeing course at Stanley Wier on the River Tay is one of the most popular sites for recreational and competitive canoeing in Scotland.Situated near the village of Stanley, Perthshire the course is about 10 miles (16 km)… …   Wikipedia

  • Whitewater — is formed in a rapid, when a river s gradient drops enough to disturb its laminar flow and create turbulence, i.e. form a bubbly, or aerated and unstable current; the frothy water appears white. The term is also used loosely to refer to less… …   Wikipedia

  • Whitewater kayaking — is the sport of paddling a kayak on a moving body of water, typically a whitewater river. Whitewater kayaking can range from simple, carefree gently moving water, to demanding, dangerous whitewater. River rapids are graded like ski runs according …   Wikipedia

  • Canoeing — A family in a canoe Whitewater kayak Can …   Wikipedia

  • whitewater — white|wa|ter white water [ˌwaıtˈwo:tə US ˈwo:tər, ˈwa: ] n [U] a part of a river that looks white because the water is running very quickly over rocks ▪ whitewater canoeing …   Dictionary of contemporary English

  • whitewater — noun (U) a part of a river that looks white because the water is running very quickly over rocks; rapids: whitewater canoeing …   Longman dictionary of contemporary English

  • Whitewater racing — is a competitive discipline of canoeing in which kayaks or canadian canoes are used to negotiate a stretch of river speedily. It is also called wildwater or downriver racing to distinguish it from whitewater slalom racing and whitewater rodeo or… …   Wikipedia

  • Whitewater slalom — is a competitive sport where the aim is to navigate a decked canoe or kayak through a course of hanging gates on river rapids in the fastest time possible. It is one of the two kayak and canoeing disciplines at the Summer Olympics, and is… …   Wikipedia

  • Whitewater recreation in Canada — Whitewater recreation is easily available in many parts of Canada. Canada is the second largest country in the world and holds a large percentage of the fresh water found on the planet. Hundreds of rivers that flow out of the mountains, across… …   Wikipedia

  • Canoeing at the 2004 Summer Olympics - Men's slalom K-1 — These are the results of the men s K 1 slalom competition in canoeing at the 2004 Summer Olympics. The K 1 (kayak single) event is raced by one man kayaks through a whitewater course. The venue for the 2004 Olympic competition was the Olympic… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”