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Leeuwin Current

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64: 897: 56: 908: 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 126:
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
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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 241:
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
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Perth: Western Australian Museum. pp. 11–46. 35:which flows southwards near the western coast of 924: 292:"Climate change threatening the Southern Ocean" 110:, 2° to 3° at Fremantle and can be over 4° off 142:Typically the Leeuwin Current's speed and its 324: 263:Western fisheries, Winter 1996, p. 44-45 338: 331: 317: 234: 62: 54: 18: 925: 240: 121: 312: 169:The Leeuwin Current is influenced by 157:Because of the Leeuwin Current, the 16:Ocean current off Western Australia 13: 253: 185:); the long Chile-Peru Coast (the 14: 949: 284: 154:called the Leeuwin Undercurrent. 906: 895: 933:Coastline of Western Australia 176: 1: 227: 938:Currents of the Indian Ocean 50: 7: 200: 10: 954: 891: 823: 793: 757: 748: 723: 617: 541: 390: 359: 350: 883:Thermohaline circulation 89: 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 75: 60: 24: 731:Antarctic Circumpolar 299:CSIRO Marine Research 217:Physical oceanography 66: 58: 22: 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 76: 61: 25: 920: 919: 913:Oceans portal 819: 818: 765:Indian Ocean Gyre 744: 743: 197:of North Africa. 159:continental shelf 137:Western Australia 945: 911: 910: 900: 899: 836:Boundary current 755: 754: 710:South Equatorial 695:North Korea Cold 690:North Equatorial 604:South Equatorial 594:North Madagascar 533:West Spitsbergen 523:South Equatorial 503:North Equatorial 357: 356: 333: 326: 319: 310: 309: 295: 247: 246: 238: 187:Humboldt Current 183:Benguela Current 164:Abrolhos Islands 133:southwest region 84:Houtman Abrolhos 953: 952: 948: 947: 946: 944: 943: 942: 923: 922: 921: 916: 905: 894: 887: 846:Ekman transport 815: 789: 740: 719: 655:East Korea Warm 650:East Australian 613: 609:West Australian 559:East Madagascar 537: 386: 372:North Icelandic 346: 337: 290: 287: 256: 254:Further reading 251: 250: 239: 235: 230: 203: 179: 124: 108:North West Cape 100:West Wind Drift 92: 53: 29:Leeuwin Current 17: 12: 11: 5: 951: 941: 940: 935: 918: 917: 892: 889: 888: 886: 885: 880: 879: 878: 873: 871:North Atlantic 868: 863: 853: 848: 843: 841:Coriolis force 838: 833: 827: 825: 821: 820: 817: 816: 814: 813: 808: 803: 797: 795: 791: 790: 788: 787: 782: 777: 772: 767: 761: 759: 752: 746: 745: 742: 741: 739: 738: 736:Tasman Outflow 733: 727: 725: 724:Southern Ocean 721: 720: 718: 717: 712: 707: 702: 697: 692: 687: 682: 677: 672: 667: 662: 657: 652: 647: 642: 637: 632: 627: 621: 619: 615: 614: 612: 611: 606: 601: 596: 591: 586: 581: 576: 571: 569:Indian Monsoon 566: 561: 556: 554:Agulhas Return 551: 545: 543: 539: 538: 536: 535: 530: 528:West Greenland 525: 520: 518:South Atlantic 515: 510: 505: 500: 495: 493:North Atlantic 490: 485: 480: 475: 470: 465: 460: 455: 450: 445: 443:East Greenland 440: 435: 430: 425: 420: 415: 410: 405: 400: 394: 392: 391:Atlantic Ocean 388: 387: 385: 384: 379: 374: 369: 367:East Greenland 363: 361: 354: 348: 347: 340:Ocean currents 336: 335: 328: 321: 313: 307: 306: 301: 296: 286: 285:External links 283: 282: 281: 278: 264: 255: 252: 249: 248: 232: 231: 229: 226: 225: 224: 219: 214: 209: 202: 199: 195:Canary current 178: 175: 152:countercurrent 123: 120: 91: 88: 52: 49: 15: 9: 6: 4: 3: 2: 950: 939: 936: 934: 931: 930: 928: 915: 914: 909: 903: 898: 890: 884: 881: 877: 876:South Pacific 874: 872: 869: 867: 864: 862: 861:Great Pacific 859: 858: 857: 854: 852: 851:Marine debris 849: 847: 844: 842: 839: 837: 834: 832: 829: 828: 826: 822: 812: 809: 807: 804: 802: 801:Beaufort Gyre 799: 798: 796: 792: 786: 783: 781: 778: 776: 773: 771: 768: 766: 763: 762: 760: 756: 753: 751: 747: 737: 734: 732: 729: 728: 726: 722: 716: 713: 711: 708: 706: 703: 701: 700:North Pacific 698: 696: 693: 691: 688: 686: 683: 681: 678: 676: 673: 671: 668: 666: 663: 661: 658: 656: 653: 651: 648: 646: 643: 641: 638: 636: 633: 631: 628: 626: 623: 622: 620: 618:Pacific Ocean 616: 610: 607: 605: 602: 600: 597: 595: 592: 590: 587: 585: 582: 580: 577: 575: 572: 570: 567: 565: 562: 560: 557: 555: 552: 550: 547: 546: 544: 540: 534: 531: 529: 526: 524: 521: 519: 516: 514: 511: 509: 506: 504: 501: 499: 496: 494: 491: 489: 486: 484: 481: 479: 476: 474: 471: 469: 466: 464: 461: 459: 456: 454: 451: 449: 446: 444: 441: 439: 436: 434: 431: 429: 426: 424: 421: 419: 416: 414: 413:Baffin Island 411: 409: 406: 404: 401: 399: 396: 395: 393: 389: 383: 380: 378: 375: 373: 370: 368: 365: 364: 362: 358: 355: 353: 349: 345: 341: 334: 329: 327: 322: 320: 315: 314: 311: 305: 302: 300: 297: 293: 289: 288: 279: 277: 276:0-643-03656-3 273: 269: 265: 262: 258: 257: 244: 237: 233: 223: 220: 218: 215: 213: 212:Oceanic gyres 210: 208: 207:Ocean current 205: 204: 198: 196: 192: 188: 184: 174: 172: 167: 165: 160: 155: 153: 149: 145: 140: 138: 134: 130: 119: 117: 113: 109: 103: 101: 97: 87: 85: 81: 73: 69: 65: 57: 48: 46: 42: 38: 34: 33:ocean current 30: 21: 904:   893: 866:Indian Ocean 811:Weddell Gyre 715:Tasman Front 578: 542:Indian Ocean 498:North Brazil 448:East Iceland 360:Arctic Ocean 267: 260: 242: 236: 180: 168: 156: 146:are about 1 141: 125: 104: 93: 77: 41:Cape Leeuwin 39:. It rounds 28: 26: 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 274:  144:eddies 112:Albany 750:Gyres 344:gyres 90:Track 68:CSIRO 488:Loop 342:and 272:ISBN 148:knot 94:The 27:The 135:of 929:: 139:. 47:. 332:e 325:t 318:v 294:.

Index


ocean current
Australia
Cape Leeuwin
Tasmania


CSIRO
sea surface temperature
William Saville-Kent
Houtman Abrolhos
West Australian Current
West Wind Drift
North West Cape
Albany
Great Australian Bight
Evaporation
southwest region
Western Australia
eddies
knot
countercurrent
continental shelf
Abrolhos Islands
El Niño
Benguela Current
Humboldt Current
California Current
Canary current
Ocean current

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