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	Tide (Site not responding. Last check: 2007-10-16)
		Tidal Lag and the transfer of momentum between sea and land causes the Earth's rotation to slow down and the Moon to be moved further away in a process known as tidal acceleration.
		Tidal heights are also very important; for example many rivers and harbours have a shallow "bar" at the entrance which will prevent boats with significant draught from entering at certain states of the tide.
		Tidal charts come in sets, each one of the set covering a single hour between one high Tide and another (they ignore the extra 24 minutes) and give the average tidal flow for that one hour.
	tide.iqnaut.net (0 words)

	Caithness CWS - Pentland Firth - Tides
		The race forms a natural breakwater across the firth, and even when the race is most violent the firth can be crossed E of the breakers in smooth conditions.
		The race forms off the Men of Mey rocks and initially extends W towards Dunnet Head, but as the W-going stream increases in strength the race begins to extend from the bank 1½ miles NW off St John's Point in a NNW direction.
		During the E-going and W-going tidal streams races will form, respectively SE and SW of the Tails of The Tarf on the edge of eddies E and W of Swona; where they may become violent when wind is opposed to the tidal stream.
	www.caithness.org /pentlandfirth/tides.htm (0 words)

	JAMCO - Course Conditions at 2000 San Diego Crew Classic (Site not responding. Last check: 2007-10-16)
		Tidal currents are strongest in the middle of the tidal changes, and weakest as the ebb and flow points of each change are reached.
		On Sunday morning, however, with the tide starting to go out and against the race direction, the winds were a cross-tailwind from the starboard stern, reducing or eliminating the advantage usually enjoyed by lanes 1 and 2.
		By the time of the Jessop-Whittier and Copley finals at the end of racing, the wind was quartering slightly from the port stern, but still not giving the inside lanes their normal advantage to the same degree as is normally the case.
	www.jamcotimes.com /2000/sdcc/course.htm (0 words)

	Highbeam Encyclopedia - Search Results for tidal
		The tidal movement tends to be retarded by friction as it reaches the shallower water and meets the river current; it therefore piles
		Shatt al Arab SHATT AL ARAB [Shatt al Arab], tidal river, 120 mi (193 km) long, formed by the confluence of the Tigris and Euphrates rivers, flowing SE to the Persian Gulf, forming part of the Iraq-Iran border; the Karun is its chief tributary.
		The tidal rhythm of emergence, and the seasonal variation of this synchrony, in an intertidal midge.
	www.encyclopedia.com /SearchResults.aspx?Q=tidal&StartAt=21 (0 words)

	Marine Energy - Tidal Power
		Although the marine tidal turbine technologies tend to follow the same lines as wind turbines, due to the greater energy density (up to 4 times that of air) and hence power available in ocean currents, these devices can be much smaller than their Aeolian counterparts.
		Tidal power is more dependable than wind due to its predictable nature thus making it a better source of electrical energy for feeding the baseload of the national grid.
		In his recent paper 'Tidal Stream Power from the Gulf of Corryvrecken' Sandy Small of Glasgow's College of Nautical Studies suggests that Argyll's famous whirlpool between the islands of Jura and Scarba could be harnessed using tidal devices to produce up to 2 GW of renewable electricity.
	www.hie.co.uk /aie/tidal_power.html (0 words)

	Highbeam Encyclopedia - Search Results for tidal (Site not responding. Last check: 2007-10-16)
		The tidal harbor from Portsmouth to the Atlantic Ocean is one of the finest in the
		It is separated from the French coast and from the other islands by swift tidal races.
		When, as in the early common law, the term is restricted to waters affected by tides, it denotes only the open sea and tidal rivers.
	www.encyclopedia.com /SearchResults.aspx?Q=tidal&StartAt=21 (0 words)

	Tidal race - Wikipedia, the free encyclopedia
		Tidal race (or tidal rapid) is a natural occurrence whereby a fast moving tide passes through constriction resulting in the formation of waves, eddies and hazardous currents.
		The contraction can be a passage where the sides narrow, for example the Gulf of Corryvreckan, or an underwater obstruction such as a reef or rising seabed, such as the Portland Race.
		In extreme cases, such as Skookumchuck Narrows in British Columbia, through which tides can travel at more than 17 knots, very large whirlpools form which are extreme hazards to navigation.
	en.wikipedia.org /wiki/Tidal_race (121 words)

	Undersea Landscapes \| Bay of Fundy
		Visitors to the region speak in wonder of the "tidal bore," a small but fast-moving wave of water that is the face of the tide.
		Each day as the tide comes in, the tidal bore races across the the mud flats and up the Bay's coves and rivers, in turn bearing a rich load of nutrients back into the Gulf as it ebbs.
		During each tidal cycle, huge quantities of fine sediments are brought in to flood the coastal area.
	www.gma.org /undersea_landscapes/Bay_of_Fundy (0 words)

	Schotland 2006
		The waves formed by this race form a natural breakwater with relatively calm water to the east of it, particularly noticeable when a westerly swell is running.
		The race temporarily ceases at the turn of the tide before forming in an ENE direction in the NW going tidal stream (Ebb) before ceasing again at the next turn of the tide.
		The race is particularly violent and dangerous when the tidal stream is opposed by gales in the opposite direction.
	home.planet.nl /~kloos008/straycat/schotland.htm (0 words)

	Scotland on Sunday - Scotland - Tidal power plan to reap electricity from coastline (Site not responding. Last check: 2007-10-16)
		The seabed generators consist of an array of massive propellers that are spun around as the tidal flow rushes past and drive a dynamo that produces energy.
		They operate on the same principle as wind turbines, but tidal power stations have the advantage of producing a constant stream of power because of the reliability of the Moon’s gravitational tug every 12 hours.
		They include the Pentland Firth between Caithness and Orkney, the tidal races south of the island of Islay, and the Mulls of Kintyre and Galloway.
	scotlandonsunday.scotsman.com /scotland.cfm?id=289762003 (0 words)

	Press Release - Full Press Release
		The energy potential of fast-flowing tidal currents around the British Isles was the subject of an ETSU study in 1993, which concluded that tidal current power could supply a major proportion of the UK's electricity requirement.
		Because water is much denser than air, a tidal turbine running in a 4 knot tidal stream will deliver power for nearly 7 times as many houses as the same size wind turbine running in a 20 knot breeze.
		Small scale tidal stream devices which will operate in shallow water are also evolving and these have the potential to service compact waterside residential or industrial development.
	www.iwight.com /home/news/press_details.asp?relID=6037 (0 words)

	The Cook Political Report Weekly Column Archives
		Some of their own incumbents, who had seemed destined to be defeated, actually survived, while long-shot challengers and open-seat candidates, facing enormous odds in very difficult districts, won or came very close as well.
		We had moved his race to the toss-up column on our Web site and in speech handouts during the week before the election, as polls indicated that his challenger, GOP Rep. Saxby Chambliss, had begun to surge.
		Most of the closest races simply broke Republican at the end, with Republicans winning a number of close races by very small margins in seven out of our final 10 toss-up Senate races.
	www.cookpolitical.com /column/2002/111202.php (0 words)

	Swing State Project: Tidal (Site not responding. Last check: 2007-10-16)
		There is no doubt about it - tonight's results represent a tidal wave in Ohio (and perhaps national) politics.
		On the other, I'm concerned that, as in the presidential race (via the exit polls), everything seemed to be going the way of the Democratic candidate until the last minute.
		Basically, I was thinking today that a victory by Hackett could be cited as evidence that the "moderate" and statist/neocon policies of the GOP Establishment were costly to our party, and this would undermine claims of a "mandate" for said policies, which was claimed by some following the 2004 elections...
	www.swingstateproject.com /2005/08/tidal.php (0 words)

	Boating in Cornwall
		Tidal Flow: As the tide rises and falls it has to flow into creeks and estuaries from the ocean.
		Around the notorious tidal races of Lands End Cornwall's more exposed Sorth coast is influenced by tidal flow in and out of the Bristol Channel.
		Caution is advised when rounding headlands such as Portland, The Manicles, Lands End and Dodman where tidal races and over falls can create a hostile sea state.
	website.lineone.net /~blue-marine/Tide.htm (0 words)

	Currents and Tidal Streams Gibrlatar Strait Tarifa Guide Cadiz Windsurf Kitesurfing Web Cam Foro Chat Weather Surf
		The maximum rates of tidal streams are about 3 knots in the W-going direction and about 2-7 knots in the E-going direction.
		In the central area the tidal streams set in the direction of axis of the strait, but near the land they follows the direction of the coast.
		On the Spanish side a tidal race, stated to be most violent in the strait, extends SW from Cabo Trafalgar to Bajo Aceitera and, in heavy weather when the tidal stream is running strongly, may extend as far as Banco de Trafalgar or even to Banco del Hoyo.
	www.windtarifa.com /eng/anavegar/corrientes/currents.htm (0 words)

	Tybee Island, Georgia - Savannah's Beach: Events Calendar
		The Tybee River Race (start 8:30 a.m.) follows a 6 Â½ mile course on the tidal river separating Tybee and Little Tybee Islands and is for those interested in testing their speed and endurance.
		In each race there will be 5 sea kayak classes, an open surf ski class and an open sit-on-top class.
		To register for the race, please complete the form thats can be found by following the link below and mail it with your entry fee to Sea Kayak Race c/o Sea Kayak Georgia, 1102 Hwy 80, Tybee Island, GA 31328.
	www.tybeevisit.com /events.php?key=72 (0 words)

	Publications \| SEPA View \| 28 \| HTML Version \| Letters to Editor
		My own view is that we need a tidal barrage scheme in the Pentland Firth, incorporating tidal stream turbines as well as the normal simple two-way tidal turbines.
		The tidal turbines and wind turbines combined would provide plenty of power for distribution throughout Scotland.
		The powerful tidal races and tidal streams of the Pentland Firth, unique in the UK, can be thus harnessed with many side benefits.
	www.sepa.org.uk /publications/sepaview/html/28/comms.htm (0 words)

	Catching the tide - energy-fuels - 20 June 1998 - New Scientist (Site not responding. Last check: 2007-10-16)
		TIDAL RACES have been the bane of sailors through the ages, sweeping the unprepared out to sea or driving them onto the rocks.
		"Tidal farms", using underwater versions of wind turbines, could soon replace shipwrecks in treacherous coastal waters from the Southwest of England to Southeast Asia.
		Within two years, Canadian engineers hope to be building the world's first multi-megawatt power station driven by tidal currents in a narrow channel between islands in the Philippines.
	www.newscientist.com /channel/earth/energy-fuels/mg15821395.300 (0 words)

	Local Agency Formation Commission: February 28, 2003 - LAFCo Questions and Answers (Site not responding. Last check: 2007-10-16)
		That fundamental principle can be exploited either in a tidal race by putting a device which exploits movement backwards and forwards.
		But there are tidal races that we have looked at where the in-tide is some degrees off from the out-tide.
		We are racing ahead in some ways and excited about it, but it is the very beginning of this new technology.
	www.sfgov.org /site/lafco_index.asp?id=16145 (0 words)

	Kayak Race
		The Tybee River Race (start 8:30 a.m.) follows a 6 1/2 mile course on the tidal river separating Tybee and Little Tybee Islands and is for those interested in testing their speed and endurance.
		This race will circumnavigate part of Little Tybee Island through narrow tidal creeks, tidal rivers, beachfront open ocean, and two surf zones.
		In each race there will be 5 sea kayak classes, and an open sit-on-top class.
	www.savannahoffthebeatenpath.com /kayak_race.htm (0 words)

	Solway Firth (Site not responding. Last check: 2007-10-16)
		Their positions are largely uncharted as huge quantities of sand and mud can be moved over large distances during a single tidal cycle, making navigation of the Inner Firth treacherous.
		The Inner Solway rarely exceeds 5m (15 ft) which is why the large tidal range uncovers such large areas of intertidal flats at low water.
		However, the large number of wrecks scattered around these headlands are a stark reminder of the dangers posed by the submerged rocks and swift tidal races.
	omp.gso.uri.edu /doee/science/descript/solway.htm (0 words)

	Navigating Inlets - Nautical Know How (via CobWeb/3.1 planetlab2.cs.virginia.edu) (Site not responding. Last check: 2007-10-16)
		If the boat's propeller was suddenly fouled by debris or the engine had mechanical problems, the strong ebb tidal current would have quickly carried them into the larger seas and threatened them with capsizing.
		Not only is it rougher, but the waters are colder, increasing the threat of hypothermia in the event that a boater is thrown into the water as a result of capsizing.
		The flooding tidal current will significantly improve the conditions, usually reducing the wave height and increasing the wave period.
	www.boatsafe.com.cob-web.org:8888 /nauticalknowhow/102098tip.htm (0 words)

	bymnews.com
		The exit is even narrower at 4.6 miles and the fleet has to navigate 11 miles of islands, headlands, rocks, tidal rips and whirlpools before they reach the safety of Duncansby Head at the eastern end.
		The force of the tide creates overfalls and tidal races which can occur at different stages of the tide, and, in several areas of the firth, these can be very strong and extremely violent.
		The in-port race in Rotterdam has now been rescheduled to start at 1100 local time on Sunday, June 11.
	www.bymnews.com /new/content/view/30317/48 (0 words)

	Sea Kayak Georgia VCP Avocet (Site not responding. Last check: 2007-10-16)
		This boat is ideal for the average size kayaker, and for shorter trips.
		It is a great rough water boat, thoroughly tested in big tidal races around Anglesey Islands on the Irish Sea.
		This is a very lively performance sea kayak for a wide range of paddlers up to 190 lbs.
	www.adventuresports.com /kayak/seakayakgeorgia/avocet.htm (0 words)

	MyDD :: The House: Too Few Hot Races or Tidal Wave? Hard Numbers
		If this is a "tidal wave" election analogous to 1994 (similar dynamics if not the same magnitude), races that don't look competitive now will be, and races that look competitive could go blue en masse.
		In a two candidate race, the swing is just the change in the percentages of the party vote divided by two.
		He passed on the race leaving the Democrats with a little less than a year to field a candidate to tackle Riverboat Annie, a GOP darling and fundraising juggernaut.
	www.mydd.com /story/2006/1/11/164432/998 (0 words)

	Alternative to wind turbines
		The UK has some of the largest tides in the world, with many tidal races in areas easily accessible from the shore.
		The current technology to do this is to build a dam across the tidal flow and treat the tide like a mini reservoir that occurs twice daily.
		Technically quite difficult to extract on a large scale, there is a vast amount of energy available from this source.
	www.noturbinesin.saddleworth.net /ocean.htm (0 words)

	DC Road Runners
		A previous winner of the Club's RRCA Volunteer of the Year award, he has coached the club's Wednesday night track workouts since 1994 and is a frequent race director and finish line official.
		Race is at 10:00 am starting at the Cora Kelley Scholl in the Del Ray section of Alexandria.
		Please note that the Snowball Series will include a requirement of volunteering at a Club race in order to be eligible for an age-group award.
	www.dcroadrunners.org (0 words)

	Trek & Trail Inc. -British Isles- (Site not responding. Last check: 2007-10-16)
		We'll hike along the cliffs of Moher, bike through scenic Burren countryside, and venture out to some of Ireland's more spectacular islands.
		With ample remote islands, secret beaches, wildlife, and tidal streams to fascinate, enthuse, and challenge every level of paddler, the west coast of Scotland is a kayaker's paradise.
		Optional opportunities to practice moving water skills in tidal races and surf zones, as well as complete BCU 4 and 5 star course work, exist at participants discretion.
	www.trek-trail.com /brit_n.html (0 words)

	Body Boat Blade International : Classes : Surf (Site not responding. Last check: 2007-10-16)
		This is a unique opportunity to learn and play in one of the world's best tidal races.
		The first day will be spent calculating flows, ferry gliding between several different islands, employing strategies for handing groups in moving water, practicing rescue and towing scenarios appropriate in tidal races, and honing the skills necessary to surf and maneuver on standing waves!
		The second day will build on the first with current speed increasing and a focus on personal boat handling skills in a variety of tidal race environments.
	www.bodyboatblade.com /classes-surf.htm (0 words)

	Kayak circumnavigation of Ireland
		Since then we have been frequently staring at the map of the island trying to imagine its coasts: the fjords, the cliffs, the swells coming from Atlantic Ocean, the tidal races, the green of the grass and the gray of the skies.
		This member however will not go all the way with us, but rather join us for a limited time and then in turn pass the boat to the next kayaker.
		It would be a sort of relay race.
	www.hoichman.com /ireland/index.html (0 words)

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