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	Tidal force - Wikipedia, the free encyclopedia
		The tidal force is a secondary effect of the force of gravity and is responsible for the tides.
		The tidal force within the body tends to distort its shape without altering its volume; supposing it was initially a sphere, the tidal force will tend to distort it into an ellipsoid, with two bulges, pointing towards and away from the other body.
		Tidal forces, including the additional term explained in the next section, are also responsible for the oceanic tides, where the reference body is the Earth with the water in its oceans, and the attracting bodies are the Moon and the Sun.
	en.wikipedia.org /wiki/Tidal_force (513 words)

	Tidal power - Wikipedia, the free encyclopedia
		Tidal power is a means of electricity generation achieved by capturing the energy contained in moving water mass due to tides.
		Tidal power is classified as a renewable energy source, because tides are caused by the orbital mechanics of the solar system and are considered inexhaustible within a human timeframe.
		The efficiency of tidal power generation largely depends on the amplitude of the tidal swell, which can be up to 10 m (33 ft) where the periodic tidal waves funnel into rivers and fjords.
	en.wikipedia.org /wiki/Tidal_energy (2034 words)

	POEMS- FAQ- Tidal Energy Power: Practical Ocean Energy Management Systems, Inc. (Site not responding. Last check: 2007-10-21)
		Tidal energy is one of the oldest forms of energy used by humans.
		Tidal energy is a renewable source of electricity which does not result in the emission of gases responsible for global warming or acid rain associated with fossil fuel generated electricity.
		Tidal power is a form of low-head hydroelectricity and uses familiar low-head hydroelectric generating equipment, such as has been in use for more than 120 years.
	www.poemsinc.org /FAQtidal.html (1558 words)

	Tidal bore - Wikipedia, the free encyclopedia
		A tidal bore (or just bore, or eagre) is a tidal phenomenon in which the leading edge of the incoming tide forms a wave (or waves) of water that travel up a river or narrow bay against the direction of the current.
		As such, it is a true tidal wave (not to be confused with a tsunami).
		Bores occur in relatively few locations worldwide, usually in areas with a large tidal range, and where incoming tides are funnelled into a shallow, narrowing river via a broad bay.
	en.wikipedia.org /wiki/Tidal_bore (348 words)

	Rezachek & Associates' Energy & Environmental Resources - Renewable Energy - Tidal Energy
		Tidal Energy There are a few places in the world where there is a large enough difference between the high and low tides of the ocean to generate electricity.
		Tidal Energy Tidal electricity generation involves construction of a barrage across an estuary to block the incoming and outgoing tide.
		Tidal changes in sea level can be used to generate electricity, by building a dam across a costal bay or estuary with large differences between low and high tides.
	www.sustainablehawaii.com /tidalpg1.htm (832 words)

	Tidal island - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-21)
		A tidal island is a piece of land that is connected to the mainland by a causeway exposed at low tide and submerged at high tide.
		The most famous tidal island is Mont Saint Michel in Normandy, France.
		Other tidal islands include Lindisfarne and St Michael's Mount in England; the Brough of Birsay in Orkney, Scotland; Lihou in the Channel Islands; Bar Island in Maine; and Bennelong Island in Sydney, Australia.
	encyclopedia.worldsearch.com /tidal_island.htm (250 words)

	Tidal Wetlands
		Tidal wetlands are sheltered waters along the coast which are affected by both tides and freshwater run-off.
		Tidal wetlands consist of salt marshes, mangroves and seagrass beds.
		Tidal wetlands function as 'kidneys', filtering and removing excess nutrients from the water that flows through them and preventing them from flowing out into coastal waters.
	www.austmus.gov.au /factsheets/tidal_wetlands.htm (371 words)

	WEC Survey of Energy Resources 2001 - Tidal Energy
		Tidal amplitudes are increased substantially towards the coast, particularly in estuaries.
		Tidal energy potential is particularly prevalent along the north-western coast of Australia, where tidal ranges are amongst the largest in the world.
		The tidal ranges of the Gulf of Kutch and the Gulf of Khambat are 5 m and 7 m respectively, the theoretical capacities 900 MW and 7 000 MW respectively and the estimated annual output approximately 1.6 TWh and 15.0 TWh respectively.
	www.worldenergy.org /wec-geis/publications/reports/ser/tide/tide.asp (4287 words)

	[No title]
		In Britain, there are about 40 key locations around the coastlines where, in theory, there's enough energy in tidal streams to generate up to a quarter of the nation's electricity.
		If the local geography is right, ocean channels create fast-moving "tidal streams", where vast masses of rising or falling water are squeezed into a restricted space.
		The tidal power station should be installed between the seabed and the Sound of Yell.
	membres.lycos.fr /jcviel/contents1/Tidal_power_station.htm (797 words)

	Fundy Forum - What is a tidal bore?
		A tidal bore (bore = crest or wave) is a natural phenomenon which is seen in a very few parts of the world.
		A tidal bore is a wall of water that moves up certain low-lying rivers due to an incoming tide.
		Tidal bores form when an incoming tide rushes up a river, developing a steep forward slope due to resistance to the tide's advance by the river, which is flowing in the opposite direction.
	www.fundyforum.com /bore.html (160 words)

	Tidal Flats -
		A tidal flat is a broad and flat land caused by the rising tide and exposed at its ebb.
		Tidal flats additionally play a role in purifying pollutants discharged from the land into the sea, through the assimilation of excess nutrients and the removal of impurities such as heavy metals.
		Thus, the greater the biological diversity of the tidal flat habitat, the greater the stability of the ecosystem and the greater the potential service provided.
	www.oceansatlas.org /cds_static/en/tidal_flats__en_2554_all_1.html (437 words)

	EERE: Ocean Energy - Tidal Energy (Site not responding. Last check: 2007-10-21)
		Tidal energy traditionally involves erecting a dam across the opening to a tidal basin.
		The energy potential of tidal basins is large — the largest facility, the La Rance station in France, generates 240 megawatts of power.
		Tidal energy systems can have environmental impacts on tidal basins because of reduced tidal flow and silt buildup.
	www.eere.energy.gov /RE/ocean_tidal.html (112 words)

	TIDAL - Definition
		The tidal wave of deeper souls Into our inmost being rolls, And lifts us unawares Out of all meaner cares.
		{Tidal air} (Physiol.), the air which passes in and out of the lungs in ordinary breathing.
		{Tidal basin}, a dock that is filled at the rising of the tide.
	www.hyperdictionary.com /dictionary/tidal (152 words)

	Tidal Energy - Introduction (Site not responding. Last check: 2007-10-21)
		Tidal energy exploits the natural rise and fall of coastal tidal waters caused principally by the interaction of the gravitational fields of the Sun and the Moon.
		In future schemes the energy yield would be enhanced by pumping water into the estuary on the flood tide ('flood pumping'), thereby increasing the volume of water released through the turbines on the ebb tide.
		A variant is tidal stream (or marine current) technology, which aims to exploit the strong tidal currents which are found in shallow seas, particularly where natural constrictions exist, such as around headlands or between islands.
	europa.eu.int /comm/energy_transport/atlas/htmlu/tidalintro.html (476 words)

	Tidal Influences
		The tidal effects are greatly exaggerated in the sketches.
		Yet its tidal effect is smaller than that of the Moon because tides are caused by the difference in gravity field across the Earth.
		The Moon is the dominant tidal influence because the fractional difference in its force across the Earth is greater than the fractional difference seen from the Sun.
	hyperphysics.phy-astr.gsu.edu /hbase/tide.html (348 words)

	Tidal Wetland Ecology of Long Island Sound
		Tidal circulation does many different kinds of work for these wetlands (analogous to the work farmers put into their fields) and this tidal powered work allows the extremely high biological productivity of these communities.
		Tidal waters are also the vehicle carrying plant nutrients onto the marsh in periods of abundance, and transporting excess nutrients back to the estuary at other times of the year.
		The common bond between all types of tidal wetlands is tidal action; the amount of salt present in the flood waters and soil is what distinguishes one type of tidal wetland community from another.
	camel2.conncoll.edu /ccrec/greennet/arbo/publications/34/CHP3A.HTM (1286 words)

	intro (Site not responding. Last check: 2007-10-21)
		The Tidal Model, developed by Dr Phil Barker, focuses on the change process that lies dormant within us all, and which helps reveal the meaning of our experiences, as we reclaim those aspects of our lives, which have been submerged by mental distress.
		The Tidal Model is a mental health reclamation model, which aims to help people win back those aspects of their lives, or themselves, that have been submerged by the experience of mental distress.
		Although the Tidal Model has been applied successfully in acute psychiatric, psychiatric rehabilitation and forensic settings, its primary focus is on helping people begin, and to further pursue, their 'recovery journey'.
	www.tidal-model.co.uk /intro.htm (1150 words)

	AllRefer.com - tidal wave (Geology And Oceanography) - Encyclopedia
		tidal wave, term properly applied to the crest of a tide as it moves around the earth.
		In popular usage it is often applied to any destructive wave or to high water not related to tidal phenomena.
		These latter waves are of two types: tsunami, which are waves caused by earthquakes, and storm surges.
	reference.allrefer.com /encyclopedia/T/tidalwav.html (244 words)

	The Tidal Model
		he Tidal Model acknowledges that the person's experience of health and illness is a fluctuating one and that the causes of psychiatric crisis can be diverse, as well as cumulative.
		he Tidal Model focuses on the process by which the person was metaphorically 'washed ashore' as a result of the psychiatric crisis.
		The Tidal Model assumes that the function of care is to help return the person to the wider 'ocean of experience ' of everyday life.
	www.clan-unity.co.uk /tidal_model.htm (256 words)

	EPA > Wetlands > Wetland Types > Marshes
		Tidal marshes are normally categorized into two distinct zones, the lower or intertidal marsh and the upper or high marsh.
		Brackish and fresh tidal marshes are also associated with specific plants and animals, but they tend to have a greater variety of plant life than saline marshes.
		Tidal marshes also provide vital food and habitat for clams, crabs, and juvenile fish, as well as offering shelter and nesting sites for several species of migratory waterfowl.
	www.epa.gov /owow/wetlands/types/marsh.html (919 words)

	Water Power Presents: Tidal Power (Site not responding. Last check: 2007-10-21)
		Tidal power stations can stretch over a delta, estuaries, beaches or other places that are affected by the tides.
		Tidal power stations are already being used in Canada, France, Russia and China.
		Tidal power stations are very expensive to build and they often create electricity when it isn't needed as much.
	waterpower.hypermart.net /tidal.html (323 words)

	Fujita Research Report - Tidal Power
		Tidal turbines are the chief competition to the tidal fence.
		Tidal turbines function well where coastal currents run at 2-2.5 m/s (slower currents tend to be uneconomic while larger ones put a lot of stress on the equipment).
		The tidal turbine also offers significant environmental advantages over wind and solar systems; the majority of the assembly is hidden below the waterline, and all cabling is along the seabed.
	www.fujitaresearch.com /reports/tidalpower.html (2304 words)

	Troubled Times: Tidal Bore (Site not responding. Last check: 2007-10-21)
		Traveling upstream about two or three times as fast as the normal tidal current, a bore usually is characterized by a well-defined front of one or several waves, often breaking, followed by its main body, which rises higher than the water at its front.
		Not arising in estuaries, tidal bores are formed at a position a short distance upstream, where the river channel has become sufficiently narrow or shallow to concentrate the momentum of the rising tide.
		The formidable tidal bore that occurs on the Lower Seine in France between Rouen and the sea is known as the Mascaret.
	www.zetatalk.com /info/tinfo16b.htm (258 words)

	tidal energy (Site not responding. Last check: 2007-10-21)
		Tidal fences are composed of individual, vertical axis turbines mounted in caissons to comprise a pier (or fence) with an approximate 12-foot “above-water profile.” These fences are attached to the marine bottom on a rock-filled bed and secured by piles at the joints.
		Such a fence, with a tidal flow of three knots, could produce 30 megawatts per tide (a minimum of one knot is required to turn the turbines).
		While the technology behind tidal power is neither new nor overwhelmingly complex, Blumenfeld points out that every tidal generation plant in the world faces the same problem of “re-inventing the wheel.” There are no ready-made “one size fits all’ designs.
	www.baycrossings.com /Archives/2002/09_October/tidal_energy.htm (2581 words)

	Tidal Bore (Site not responding. Last check: 2007-10-21)
		The poor, mostly fl Ninth Ward was hit by a tidal surge that brought 12-foot (3.6-metre) floodwaters into many of the homes.
		A tidal bore (or just bore) is a tidal phenomenon in which the leading edge of the incomming tide forms a wave (or waves) of water that travel up a river against the direction of the current.
		A bore occurs in a relatively few locations worldwide, in areas with a large tidal range, only on certain tides, and when an incomming tide is funnelled into a shallow, narrowing river via a broad bay.
	www.wikiverse.org /tidal-bore (377 words)

	Tidal Gardens (Site not responding. Last check: 2007-10-21)
		Tidal Gardens Incorporated is a dedicated coral farming facility serving saltwater aquarium keepers everywhere.
		The goal of Tidal Gardens is to offer the highest quality corals to those seeking a piece of that world without destroying it.
		We hope to instill a deep appreciation for the natural reefs and help develop a self sustaining hobby that no longer requires the collection of fish and corals.
	www.tidalgardens.com (301 words)

	Tidal Resonance (Site not responding. Last check: 2007-10-21)
		The time it takes for a large wave to travel from the mouth of the bay to the opposite end, then reflect and travel back to the mouth of the bay, coincidentally matches the time from one high tide to the next.
		The result of this coincidence of timing is that the repeating wave is reinforced by the tidal rhythm, and consequently the world's highest tides are found in that bay.
		This concept of tidal resonance differs from another sort of resonance resulting from tides, called tidal locking, which causes a moon's rotational period to coincide with the period of its revolution around the planet that it orbits, so that one side of the moon always faces the planet.
	www.wikiverse.org /tidal-resonance (212 words)

	Tidal Power (Site not responding. Last check: 2007-10-21)
		Tidal power is simply a variation of hydroelectric power that could tap one of the world's natural energy systems.
		Few places have the right conditions for tidal power generation, where there is a large enough difference between high and low tides while also remaining in fairly shallow water to allow as short of a dam as possible to be constructed.
		Tidal changes in sea level can be used to generate electricity by building a dam across a coastal bay or estuary.
	www.calpoly.edu /~cm/studpage/nsmallco/clapper.htm (673 words)

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