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Topic: Amphidromic point

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	CHS-Glossary (Site not responding. Last check: 2007-10-20)
		The orbital point farthest from the Sun when the Sun is the center of attraction, as opposed to perihelion.
		In physics, the maximum departure of a wave or other periodic phenomenon from the average or zero position.
		That orbital point farthest from the Earth when the Earth is the center of attraction, as opposed to the Perigee.
	www.waterlevels.gc.ca /english/glossary/A.shtml (91 words)

	Point (Site not responding. Last check: 2007-10-20)
		Crib Point Crib Point is a suburb in Shire of Mornington Peninsula.
		Pin Point, Georgia Pin Point is a village in 2002 the population was 275.
		Point Leo Point Leo is a suburb in Shire of Mornington Peninsula.
	www.brainyencyclopedia.com /topics/point.html (6804 words)

	Hunting - Glossary - Discover The Outdoors (Site not responding. Last check: 2007-10-20)
		A calibration point is set at a fixed distance from the acoustic transducer and is used to correct the measured distance using the calibrated sound velocity in the tube.
		The points in the orbit of a planet or moon which are the nearest and farthest from the center of attraction.
		Azimuth of a body is the arc of the horizon intercepted between the north or south point and the foot of the vertical circle passing through the body.
	www.dto.com /hunting/glossary (2406 words)

	read5 (Site not responding. Last check: 2007-10-20)
		At the point closest to the Moon the gravitational attraction by the Moon is opposite in direction to the centrifugal force, and larger than it, leaving a net force in the direction of the Moon.
		The amphidromic point is thus the central node of a standing tidal wave which is deformed by the Coriolis force (the Earth's rotation).
		Away from the amphidromic point the tidal range (the difference between the water level at high and low tide) increases gradually, and it becomes largest at points furthest away from the amphidromic point.
	ethomas.web.wesleyan.edu /ees350/read5.htm (3343 words)

	NOAA/CEOB Tide Glossary (Site not responding. Last check: 2007-10-20)
		The point in the orbit of the Moon or man-made satellite farthest from the Earth.
		The points in the orbit of a planet or moon which are the nearest and farthest from the center of attraction.
		Azimuth of a body is the arc of the horizon intercepted between the north or south point and the foot of the vertical circle passing through the body.
	www.baysail.com /tide_terms (1452 words)

	amphidromic points
		This is usually the case in long narrow basins such as channels or narrow lakes, where the water can move along the axis of the basin but not much across it.
		The only place where the water level never changes (where the colour is always yellow) is in the centre of the basin; this is the amphidromic point.
		If the basin is of comparable dimensions in all directions the wave travels along the basin perimeter, in circular fashion around an amphidromic point.
	www.es.flinders.edu.au /~mattom/ShelfCoast/notes/figures/animations/fig5a0.html (142 words)

	Standing wave - Wikipedia, the free encyclopedia
		As an example of the second type, a standing wave in a transmission line is a wave in which the distribution of current, voltage, or field strength is formed by the superposition of two waves propagating in opposite directions.
		Such a standing wave may be formed when a wave is transmitted into one end of a transmission line and is reflected from the other end by an impedance mismatch, i.e.
		The degree to which the wave resembles either a pure standing wave or a pure travelling wave is measured by the standing wave ratio (SWR).
	en.wikipedia.org /wiki/Standing_wave (308 words)

	Tides in Marginal, Semi-Enclosed and Coastal Seas - Part I: Sea Surface Height (Site not responding. Last check: 2007-10-20)
		Ogurs's results depict three fully developed amphidromic points for M2, while our results shown in Figure 86 depict only one fully developed amphidromic point, and two degenerate nodes.
		Overall, the model results are in good agreement, as far as phases and amplitudes are concerned, with altimetry-derived M2 and K1 tides (Figures 89 and 90).
		For example, the model results show that the location and co-phase of the M2 tide around the amphidromic point in the Gulf of Penzkinskaya are nearly the same as that of Ogura, and Mazezega and Berge.
	www.ssc.erc.msstate.edu /Tides2D/sea_of_okhotsk.html (915 words)

	tide glossary
		A calibration point is set at a fixed distance from the acoustic transducer and is used to correct the measured distance using the calibrated sound velocity in the tube.
		amphidromic point—A point of zero amplitude of the observed or a constituent tide.
		apsides—The points in the orbit of a planet or moon which are the nearest and farthest from the center of attraction.
	www.yachting-life.com /tides/glossary/a.htm (1515 words)

	Australian Hydrographic Service - Tidal Glossary
		amphidrome: A point in the sea with zero tidal amplitude of the observed or constituent tide.
		Celestial latitude: an angular distance between a point on the celestial sphere and the ecliptic.
		On the Earth’s surface, the angle between the Greenwich meridian (0o) and the meridian of a point on the Earth, measured eastward or westward from the former through 180o and labelled E or W to indicate the direction of measurement.
	www.hydro.gov.au /prodserv/tides/tidal-glossary.htm (7382 words)

	AMS Glossary
		—A point in the sea where there is zero tidal amplitude due to canceling of tidal waves.
		Cotidal lines radiate from an amphidromic point and corange lines encircle it.
		—Often the greatest magnitude at a given point of any spatially and temporally varying physical quantity governed by a wave equation; can also mean the spatial part of a time-harmonic wave function.
	amsglossary.allenpress.com /glossary/browse?s=a&p=48 (437 words)

	Untitled Document (Site not responding. Last check: 2007-10-20)
		When a rotary wave is confined to a basin, amphidromic circulation results.
		At each point in a basin, water levels vary sinusoidally, according to a combination of multiple periodic functions.
		An amphidromic system is created by each periodic tidal component.
	ffden-2.phys.uaf.edu /645fall2003_web.dir/Ellie_Boyce/amphidromic.htm (194 words)

	[No title] (Site not responding. Last check: 2007-10-20)
		Minimum amplitude in the southwestern part of the UB suggests a zero-amplitude point in that region for all the consituents.
		The co-phase lines in each case show a counter-clock wise- rotating amphidrome with the zero-amplitude "amphidromic point" typically just outsid e the UB, in the direction of the Korea/Tsushima Strait to the south.
		amphidromic point as 35°4 0'N, 131°15'E, but from our in situ measurements it appears the actual longitude is about a degree further west.
	www7320.nrlssc.navy.mil /os_2002/abstracts/wimbush.html (288 words)

	[No title]
		Centrifugal force is equally felt on all points of the earth and is directed away from the moon along a line that parallels a hypothetical line joining the centers of the Earth and the Moon.
		Tidal range at the amphidromic point is 0 and increases with distance away from it.
		Position of amphidromic point relative to the coast: Tides increase with distance from the amphidromic point, where the tidal range is zero.
	www.salemstate.edu /~lhanson/gls214/gls214_tides.html (1784 words)

	CHS-Glossary
		The orbital point farthest from the Sun when the Sun is the center of attraction, as opposed to perihelion.
		In physics, the maximum departure of a wave or other periodic phenomenon from the average or zero position.
		That orbital point farthest from the Earth when the Earth is the center of attraction, as opposed to the Perigee.
	www.lau.chs-shc.dfo-mpo.gc.ca /english/glossary/A.shtml (91 words)

	Adriatic Sea -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-20)
		From a point between (Click link for more info and facts about Korčula) Korčula and the north shore of the spur of Monte Gargano there is a ridge giving shallower water, and a broken chain of a few islets extends across the sea.
		The deepest part of the sea lies east of Monte Gargano, south of Dubrovnik, and west of (Port city in western Albania on the Adriatic) Durrës where a large basin gives depths of 500 fathoms (900 m) and upwards, and a small area in the south of this basin falls below 800 (1,460 m).
		The (Click link for more info and facts about amphidromic point) amphidromic point is just off the northwestern shore, near Ancona.
	www.absoluteastronomy.com /encyclopedia/a/ad/adriatic_sea.htm (705 words)

	[No title]
		203; Viles and Spencer, p.41-45, 54-58) Tides are periodic fluctuations in water level at a given point that are caused by the gravitational attraction of the moon and the sun, and by the rotation of the earth.
		This node is known as an amphidromic point, which is characterized by a constant sea level (absence of tides).
		There are about a dozen amphidromic points in the world ocean, as well as numerous others in fairly wide enclosed bays and seas that have favorable configurations (e.g.
	www.usc.edu /dept/geography/geog370/week6.doc (1317 words)

	DYNAMIC CHARACTERISTICS OF SEA CURRENTS AND SOME ISSUES FOR SUSTAINABLE DEVELOPMENT IN THE YELLOW RIVER DELTA
		One branch propagates northward, rotating clockwise in the Liaodong Bay, and forming an amphidromic point in the west of the Liaodong Bay.
		The existing outlet of the Yellow River is 35 km south of the amphidromic point.
		The tidal range at the amphidromic point outside the Shengxiangou outlet is smallest, 0.8 m, and increases to 1.6-1.8 m at the apexes of the neighboring bays (Bohai and Laizhou Bays).
	www.iahr.org /membersonly/grazproceedings99/doc/000/000/346.htm (3299 words)

	N - november -· (Site not responding. Last check: 2007-10-20)
		The point of minimum tidal range in an amphidromic system.
		Acoustic sensing instruments are installed on the seabed with cables leading to a control position ashore.
		A buoy in the shape of two cones, base to base, and moored from one point so that the other is more or less upright.
	www.flouberg.dk /Siden_N.htm (280 words)

	Bay of Fundy Species List Search - Glossary (Site not responding. Last check: 2007-10-20)
		Ambulacral – radiating grooves or areas on the mouth of underside on which the tube feet of echinoderms are borne.
		Amphidromic point – a point of no tide on a chart of cotidal lines, from which cotidal lines radiate.
		Basal – at the base; near the point of attachment (of an appendage).
	gmbis.marinebiodiversity.ca /BayOfFundy/glossA-D.html (1899 words)

	Motion in the Sea&emdash;Tides (Site not responding. Last check: 2007-10-20)
		at the point nearest the moon, there is a slight tidal pull directly toward the moon; this pull is compensated for by the earth's gravity, so paradoxically the tidal force has little effect
		similarly, at the point farthest from the moon, there is a slight tidal push away from the moon due to the greater centrifugal force and the lesser gravitational force; again this is compensated for by the earth's gravity, so there is little tidal force
		a given point on earth that is initially at a crest or in the bulge (high tide) passes to a nonbulging area or trough (low tide), to another high tide, to another low tide, and back to the original position as the earth completes one revolution
	maritime.haifa.ac.il /departm/lessons/ocean/lect19.htm (1461 words)

	MFSTEP Mediterranean Forecasting System Toward Environmental Prediction
		We observe classical figures of semidiurnal tides, in which the tidal wave rotates anticlockwise around the amphidromic point which is positioned in the center of the connecting line Ancona – Zadar, and where the amplitude is increasing radially outwards from the amphidromic point.
		Phases increase in an anticlockwise direction around the amphidromic point while amplitudes increase radially outwards from the amphidromic point.
		In the end we have to point out huge problems that are related to the 3 D fully prognostic model run in mode = 3 on the topography for the Adriatic Sea.
	projects.mbss.org /MFSTEP/report.htm (2069 words)

	Amphidromic point - Encyclopedia Glossary Meaning Explanation Amphidromic point (Site not responding. Last check: 2007-10-20)
		Amphidromic point - Encyclopedia Glossary Meaning Explanation Amphidromic point.
		Here you will find more informations about Amphidromic point.
		The orginal Amphidromic point article can be editet
	www.encyclopedia-glossary.com /en/Amphidromic-point.html (201 words)

	" + imgName + " (Site not responding. Last check: 2007-10-20)
		These propagate from both north and south, meeting just south-west of the Isle of Man at an amphidromic point (a point at which there is no varaibility in depth due to tidal activity).
		There is another amphidromic point south of Islay on the Malin Shelf.
		Tidal ranges on the Malin Shelf from 0.5m on a neap tide (1m on a spring tide) in the Sound of Jura just south of the amphidromic point south of Islay, to 1.6m on a neap tide (4.5m on a spring).
	www.marine.ie /scientific+services/data+services/oceanographic+data/tides.htm (422 words)

	amphidromic points (Site not responding. Last check: 2007-10-20)
		This is usually the case in long narrow basins such as channels or narrow lakes, where the water can move along the axis of the basin but not much across it.
		The only place where the water level never changes (where the colour is always yellow) is in the centre of the basin; this is the amphidromic point.
		If the basin is of comparable dimensions in all directions the wave travels along the basin perimeter, in circular fashion around an amphidromic point.
	eddy.uvigo.es /Docencia/Curso/ShelfCoast/notes/figures/animations/fig5a0.html (142 words)

	Ocean Navigator Online - The tide schedule that never changes (Site not responding. Last check: 2007-10-20)
		The amphidromic point for the North Atlantic is some 350 miles east of Newfoundland.
		Tide level at a lunar amphidromic point is unaffected by lunar tides.
		High tide radiates from an amphidromic point, so it is always in the high region.
	www.oceannavigator.com /print.php?a=1290 (235 words)

	Tides (BMLSS Information)
		Whilst set in action by the sun and moon, it is the configuration of the ocean floor, the depth of the water, the effect of the Coriolis force and the friction felt by the water as it moves around, that results in any particular tide being a given height at a given location.
		Put simply the effect of the Coriolis force is to cause the water to spin around a number of points (called amphidromic points).
		At an amphidromic point there is no tide at all and as you move away from the point in a radiationg circle the tide becomes bigger and bigger.
	www.glaucus.org.uk /Tides2.htm (1189 words)

	Dynamical Concept (Theory) of Tides
		In each, a series of standing waves are created, each oscillating around a node, (called an amphidromic point) where sea level does not change.
		However, in a manner that may seem counter-intuitive, this causes the standing wave to rotate around the amphidromic point in a counter-clockwise direction in the Northern Hemisphere and a clockwise direction in the Southern Hemisphere.
		The range of tidal sea level change from high tide to low tide is generally greater the further the location is from an amphidromic point.
	mason.gmu.edu /~dkelso/tideslecture.htm (787 words)

	General Glossary (Site not responding. Last check: 2007-10-20)
		amphidromic point The central point of a cyclonic tidal system, at which the vertical astronomical tidal range is nil, or very small, increasing progressively with increasing distance from this central point (from Ministry of Defence, 1987).
		On metric charts for which the UK Hydrographic Office is the charting authority, chart datum is a level as close as possible to Lowest Astronomical Tide (LAT), the lowest predictable tide under average meteorological conditions (from Ministry of Defence, 1987).
		This is not the same as Ordnance Datum, the fixed reference point for heights and contours shown on Ordnance Survey maps, which is based on mean sea level (MSL) as recorded at Newlyn (Cornwall) over a seven-year period from 1915 to 1921.
	www.marlin.ac.uk /Glossaries/Gen_Glossary.htm (15679 words)

	Glossary
		A salt intrusion where the length is controlled by a balance between horizontal pressure gradients and the friction on the interface.
		the two points in the celestial sphere where the celestial equator intersects the ecliptic; also the times when the sun crosses the equator at these points.
		The vernal equinox is the point where the sun crosses the equator from south to north and it occurs about 21 March.
	www.soes.soton.ac.uk /research/groups/soton_water/glossary.html (2751 words)

	SHC - Glossaire (Site not responding. Last check: 2007-10-20)
		Dans le mouvement vrai ou apparent d'un astre ou de la Lune autour de la Terre, point de l'orbite le plus voisin de celle-ci.
		Point le plus près de l’orbite d’une planète autour du Soleil.
		Point où l'amplitude de la marée est nulle, et autour duquel rayonnent les lignes cotidales.
	www.lau.chs-shc.dfo-mpo.gc.ca /french/glossaire/P.shtml (680 words)

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