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150:(50 cm/s), although speeds of 2 knots (1 m/s) are common, and the highest speed ever recorded by a drifting satellite-tracked buoy was 3.5 knots (6.5 km/h). The Leeuwin Current is shallow for a major current system, by global standards, being about 300 m deep, and lies on top of a northwards
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Its strength varies through the year; it is weakest during the summer months (winter in the northern hemisphere) from
November to March when the winds tend to blow strongly from the south west northwards. The greatest flow is in the autumn and winter (March to November) when the opposing winds are
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The ‘core’ of the
Leeuwin Current can generally be detected as a peak in the surface temperature with a strong temperature decrease further offshore. The surface temperature difference across the Current is about 1 °C at
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waters of
Western Australia are warmer in winter and cooler in summer than the corresponding regions off the other continents. The Leeuwin Current is also responsible for the presence of the most southerly true corals at the
86:, making the water there in winter much warmer than inshore at the adjacent coast. The existence of the current was confirmed over the years, but not characterised and named until Cresswell and Golding did so in the 1980s.
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conditions, characterised by slightly lower sea temperatures along the
Western Australian coast and a weaker Leeuwin Current, with corresponding effects upon rainfall patterns.
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on the southern Indian Ocean and at
Tasmania, respectively, flow in the opposite direction, producing one of the most interesting oceanic current systems in the world.
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The
Leeuwin Current is very different from the cooler, equatorward flowing currents found along coasts at equivalent latitudes such as the southwest African Coast (the
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Hobart : Commonwealth
Scientific and Industrial Research Organisation Marine Research Laboratories, Report / CSIRO Marine Laboratories, 0725-4598 ; 175.
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The "Warreen" sections : temperatures, salinities, densities and steric heights in the
Leeuwin Current, Western Australia, 1947-1950
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Pearce, Alan (2000) "Lumps" in the
Leeuwin Current and rock lobster settlement. Western fisheries magazine, Winter 2000, p. 47-49
932:
937:
189:), where upwelling of cool nutrient-rich waters from below the surface results in some of the most productive fisheries; the
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Pearce, A. F. (1997). "The
Leeuwin Current and the Houtman Abrolhos Islands, Western Australia". In Wells, F. E. (ed.).
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and the transport of tropical marine species down the west coast and across into the Great Australian Bight.
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Ocean currents surrounding Australia. The Leeuwin Current can be seen off the Western Australian Coast.
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Scientists identify a counter current known as the Capes Current flowing against the Leeuwin Current
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Data from two satellite instruments is used in constructing this image of the Leeuwin Current.
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images. (Composite 15-day image showing the extension of the Leeuwin Current around Tasmania)
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The Marine Flora and Fauna of the Houtman Abrolhos Islands, Western Australia, Volume 1
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from the Leeuwin current during this period contributes greatly to the rainfall in the
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in 1897. Saville-Kent noted the presence of warm tropical water offshore in the
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to enter the waters south of Australia where its influence extends as far as
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and Southern Australian Countercurrent, which are produced by the
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NOAA polar orbiting satellites obtain the data generating
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The existence of the current was first suggested by
245:. Perth: Western Australian Museum. pp. 11–46.
35:which flows southwards near the western coast of
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292:"Climate change threatening the Southern Ocean"
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142:Typically the Leeuwin Current's speed and its
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263:Western fisheries, Winter 1996, p. 44-45
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169:The Leeuwin Current is influenced by
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16:Ocean current off Western Australia
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154:called the Leeuwin Undercurrent.
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938:Currents of the Indian Ocean
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883:Thermohaline circulation
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831:Atmospheric circulation
382:Transpolar Drift Stream
304:Rottnest Island context
222:West Australian Current
96:West Australian Current
72:sea surface temperature
902:Environment portal
856:Marine garbage patches
670:Indonesian Throughflow
574:Indonesian Throughflow
116:Great Australian Bight
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60:
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731:Antarctic Circumpolar
299:CSIRO Marine Research
217:Physical oceanography
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266:Greig, M. A. (1986)
80:William Saville-Kent
775:South Atlantic Gyre
770:North Atlantic Gyre
122:Physical properties
785:South Pacific Gyre
780:North Pacific Gyre
660:Equatorial Counter
564:Equatorial Counter
191:California Current
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913:Oceans portal
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765:Indian Ocean Gyre
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197:of North Africa.
159:continental shelf
137:Western Australia
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836:Boundary current
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710:South Equatorial
695:North Korea Cold
690:North Equatorial
604:South Equatorial
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523:South Equatorial
503:North Equatorial
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187:Humboldt Current
183:Benguela Current
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133:southwest region
84:Houtman Abrolhos
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254:Further reading
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33:ocean current
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811:Weddell Gyre
715:Tasman Front
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542:Indian Ocean
498:North Brazil
448:East Iceland
360:Arctic Ocean
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146:are about 1
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41:Cape Leeuwin
39:. It rounds
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794:Other gyres
758:Major gyres
468:Gulf Stream
177:Comparisons
129:Evaporation
927:Categories
635:California
589:Mozambique
584:Madagascar
228:References
31:is a warm
806:Ross Gyre
675:Kamchatka
508:Norwegian
483:Lomonosov
438:Caribbean
433:Cape Horn
377:Norwegian
127:weakest.
51:Discovery
37:Australia
685:Mindanao
680:Kuroshio
665:Humboldt
645:Davidson
640:Cromwell
630:Aleutian
513:Portugal
478:Labrador
473:Irminger
453:Falkland
418:Benguela
403:Antilles
352:Currents
201:See also
45:Tasmania
824:Related
705:Oyashio
579:Leeuwin
549:Agulhas
458:Florida
259:(1996)
171:El Niño
114:in the
625:Alaska
599:Somali
463:Guinea
428:Canary
423:Brazil
408:Azores
398:Angola
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144:eddies
112:Albany
750:Gyres
344:gyres
90:Track
68:CSIRO
488:Loop
342:and
272:ISBN
148:knot
94:The
27:The
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332:e
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318:v
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