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Patagonian Ice Sheet

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36: 20: 109:. At its peak (about 18,000 to 17,500 years ago), the Patagonian Ice Sheet covered about 480,000 km of land with an estimated ice-volume of more than 500,000 km, of which about 4% remains glaciated today in two separated portions known as the 220:
De Pol-Holz, R., O. Ulloa, L. Dezileau, J. Kaiser, F. Lamy and D. Hebbeln. 2006. Melting of the Patagonian Ice Sheet and deglacial perturbations of the nitrogen cycle in the eastern South Pacific. Geophysical Research Letters, vol. 33, L04704,
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Hulton, N.R.J., R.S. Purvesa, R.D. McCullocha, D.E. Sugdena, M.J. Bentleyb. 2002. The Last Glacial Maximum and eglaciation in southern South America. Quaternary Science Reviews, vol. 21, 233–241
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Lamy, F., J. Kaiser, U. Ninnemann, D. Hebbeln, H. W. Arz, J. Stoner. 2004. Antarctic Timing of Surface Water Changes off Chile and Patagonian Ice Sheet Response. Science, vol. 304, 1959-1962
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ice extended to the present-day Argentine coast. With each successive glaciation it is known that the ice has stopped further and further to the west, with
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Note: Glaciers are ordered by latitude from north to south. Mountains with significant glaciers are shown
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survives today on land occupied by the ice sheet. However, there are indications that during the last
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and altering its circulation, resulting in significant ecological changes both locally and remotely.
482: 279: 31:. Selected modern settlements are shown with yellow dots. Sea level was much lower than shown here. 653: 136:
gradients during glacial periods were even steeper than the extremely steep ones of present-day
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always serving as the decisive factor halting glacier spread: it is believed that the east-west
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of about 1.2 meters. However, during the first glacial period at the beginning of the
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During the last ice age the Patagonian Ice Sheet created the elongated and forested
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Map showing the extent of the Patagonian Ice Sheet in the
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centered in the southern Andes that existed during the
89:sheet extended beyond the crest of the Andes into 751: 287: 294: 280: 120:The ice-volume reduction contributed to a 198: 196: 167:occurred. In fact, most of the original 34: 18: 752: 179:to the adjacent ocean, decreasing its 275: 193: 301: 13: 14: 801: 59:was a large elongated and narrow 67:. The ice sheet covered all of 214: 205: 115:Southern Patagonian Ice Fields 1: 596:Southern Patagonian Ice Field 513:Northern Patagonian Ice Field 252:Southern Patagonian Ice Field 247:Northern Patagonian Ice Field 186: 257:Katalalixar National Reserve 75:plus the western fringes of 7: 235: 10: 806: 704: 662: 594: 511: 467: 457: 407: 309: 163:easily wherever suitable 790:Quaternary South America 262:Geography of Argentina 52: 32: 770:Glaciers of Argentina 147:or the ice sheets of 122:global sea level rise 65:Llanquihue glaciation 38: 22: 785:Ecology of Patagonia 765:Geology of Patagonia 227:10.1029/2005GL024477 153:loss of biodiversity 145:Laurentide Ice Sheet 57:Patagonian Ice Sheet 736:47.0000°S 73.0000°W 732: /  29:last glacial period 741:-47.0000; -73.0000 267:Geography of Chile 53: 33: 25:Strait of Magellan 775:Glaciers of Chile 715: 714: 700: 699: 664:Cordillera Darwin 503:Gran Campo Nevado 159:and were able to 797: 747: 746: 744: 743: 742: 737: 733: 730: 729: 728: 725: 490:Mocho-Choshuenco 465: 464: 296: 289: 282: 273: 272: 229: 218: 212: 209: 203: 200: 27:area during the 16:Former ice sheet 805: 804: 800: 799: 798: 796: 795: 794: 750: 749: 740: 738: 734: 731: 726: 723: 721: 719: 718: 716: 711: 696: 658: 590: 507: 453: 403: 342:Nevado del Ruiz 305: 303:Andean glaciers 300: 238: 233: 232: 219: 215: 210: 206: 201: 194: 189: 169:Antarctic flora 149:Northern Europe 45:Puerto Williams 17: 12: 11: 5: 803: 793: 792: 787: 782: 777: 772: 767: 762: 713: 712: 705: 702: 701: 698: 697: 695: 694: 689: 684: 679: 674: 668: 666: 660: 659: 657: 656: 651: 646: 641: 636: 631: 626: 621: 616: 611: 606: 600: 598: 592: 591: 589: 588: 583: 578: 573: 568: 563: 558: 553: 548: 543: 538: 533: 528: 523: 517: 515: 509: 508: 506: 505: 500: 493: 486: 479: 471: 469: 462: 455: 454: 452: 451: 444: 439: 434: 427: 420: 414: 412: 405: 404: 402: 401: 394: 387: 380: 373: 366: 359: 352: 345: 338: 331: 324: 316: 314: 311:Tropical Andes 307: 306: 299: 298: 291: 284: 276: 270: 269: 264: 259: 254: 249: 244: 237: 234: 231: 230: 213: 204: 191: 190: 188: 185: 157:Atacama Desert 43:seen south of 15: 9: 6: 4: 3: 2: 802: 791: 788: 786: 783: 781: 778: 776: 773: 771: 768: 766: 763: 761: 758: 757: 755: 748: 745: 709: 703: 693: 690: 688: 685: 683: 680: 678: 675: 673: 670: 669: 667: 665: 661: 655: 654:Tyndall/Geike 652: 650: 647: 645: 642: 640: 637: 635: 634:Perito Moreno 632: 630: 627: 625: 622: 620: 617: 615: 612: 610: 607: 605: 602: 601: 599: 597: 593: 587: 584: 582: 579: 577: 574: 572: 569: 567: 564: 562: 559: 557: 554: 552: 549: 547: 544: 542: 539: 537: 534: 532: 529: 527: 524: 522: 519: 518: 516: 514: 510: 504: 501: 499: 498: 494: 492: 491: 487: 485: 484: 480: 478: 477: 473: 472: 470: 466: 463: 460: 456: 450: 449: 445: 443: 442:San Francisco 440: 438: 435: 433: 432: 428: 426: 425: 421: 419: 416: 415: 413: 410: 406: 400: 399: 395: 393: 392: 388: 386: 385: 381: 379: 378: 374: 372: 371: 367: 365: 364: 360: 358: 357: 353: 351: 350: 346: 344: 343: 339: 337: 336: 335:Pico Bonpland 332: 330: 329: 328:Pico Humboldt 325: 323: 322: 318: 317: 315: 313:(11° N–20° S) 312: 308: 304: 297: 292: 290: 285: 283: 278: 277: 274: 268: 265: 263: 260: 258: 255: 253: 250: 248: 245: 243: 240: 239: 228: 224: 217: 208: 199: 197: 192: 184: 182: 178: 174: 170: 166: 165:microclimates 162: 158: 154: 150: 146: 141: 139: 135: 134:precipitation 131: 127: 123: 118: 116: 112: 108: 104: 100: 96: 92: 88: 83: 81: 78: 74: 70: 66: 62: 58: 50: 46: 42: 37: 30: 26: 21: 717: 707: 526:Exploradores 495: 488: 481: 474: 446: 429: 422: 396: 389: 382: 375: 368: 361: 354: 347: 340: 333: 326: 321:Pico Bolívar 319: 216: 207: 173:deglaciation 142: 119: 107:Colhue Huapi 97:such as the 84: 73:Puerto Montt 56: 54: 739: / 604:Jorge Montt 556:San Quintín 461:(35°–55° S) 411:(20°–35° S) 143:Unlike the 126:Pleistocene 780:Ice sheets 760:Glaciology 754:Categories 727:73°00′00″W 724:47°00′00″S 708:in italics 541:San Rafael 483:Villarrica 476:Sollipulli 398:Chacaltaya 363:Chimborazo 187:References 177:freshwater 682:Marinelli 677:Garibaldi 614:O'Higgins 459:Wet Andes 448:Tupungato 437:La Paloma 431:Marmolejo 409:Dry Andes 384:Sabancaya 377:Huascarán 242:Ice sheet 138:Patagonia 91:Argentina 80:Patagonia 77:Argentine 71:south of 61:ice sheet 692:Stopanni 687:Romanche 672:Alemania 609:Bernardo 497:Tronador 370:Alpamayo 356:Cotopaxi 349:Antisana 236:See also 181:salinity 161:speciate 111:Northern 99:Yagagtoo 41:drumlins 639:Dickson 619:Brüggen 586:Steffen 581:Colonia 531:Reicher 130:aridity 103:Musters 649:Amalia 629:Upsala 624:Viedma 576:Cachet 566:Benito 536:Gualas 521:Grosse 424:Juncal 418:Polish 391:Ampato 105:, and 561:Soler 546:Fiero 468:Other 95:lakes 69:Chile 49:Chile 644:Grey 551:Leon 113:and 85:The 55:The 571:Nef 223:doi 87:ice 756:: 195:^ 140:. 117:. 101:, 82:. 47:, 710:. 295:e 288:t 281:v 225:: 51:.

Index


Strait of Magellan
last glacial period

drumlins
Puerto Williams
Chile
ice sheet
Llanquihue glaciation
Chile
Puerto Montt
Argentine
Patagonia
ice
Argentina
lakes
Yagagtoo
Musters
Colhue Huapi
Northern
Southern Patagonian Ice Fields
global sea level rise
Pleistocene
aridity
precipitation
Patagonia
Laurentide Ice Sheet
Northern Europe
loss of biodiversity
Atacama Desert

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