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Aletsch Glacier

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did also enter the Aletsch Glacier at its mouth. But since then both glaciers have been retreating so far that they do not connect anymore (the Upper Aletsch Glacier did retreat about 1.3 km (0.81 mi) from its connecting point with the Aletsch Glacier), but both serve now only as the source
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The Aletsch Glacier resulted from the accumulation and compaction of snow. Glaciers generally form where snow and ice accumulation exceed snow and ice melt. As the snow and ice thicken it reaches a point where it begins to move due to a combination of gravity and pressure of the overlying snow and
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in 1850 the glacier has lost 20 percent of its ice mass, considerably less than other glaciers in Switzerland, which have lost up to 50 percent. This is explained with the large size of the Aletsch Glacier, which reacts much slower to climate change than smaller glaciers. It is however estimated
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and the shrinking of the world's glaciers. The temperature was about 10 °C (50 °F) at the time of the photo shoot. The 600 participants on the shrinking glacier said that they had volunteered for Tunick (a collaboration with Greenpeace) to let the world know about the
326:. The Aletsch Glacier is – like most glaciers in the world today – a retreating glacier. As of 2016, since 1980 it lost 1.3 kilometres (0.81 mi) of its length, since 1870 3.2 kilometres (2.0 mi), and lost also more than 300 metres (980 ft) of its thickness. 1300:
As for many other glaciers, records show a major longer-term retreat trend. The Aletsch Glacier receded by 3.2 km (2.0 mi) since 1870, including 1.3 km (0.81 mi) since 1980. A record retreat of 114.6 metres (376 ft) happened in 2006 alone.
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and the glacier, is located the historic Villa Cassel, former summer residence of many famous and influential guests from the worlds of politics and finance. The house is now one of the centers of the environmental organization
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along the whole length to the glacier's toe-zone. This medial moraine is collected from the ice of three large ice fields, which all run together. The westernmost medial moraine has been named the
1584: 294:. It has a length of about 23 km (14 mi) (2014), a volume of 15.4 km (3.7 cu mi) (2011), and covers about 81.7 km (31.5 square miles) (2011) in the eastern 1297:
Since the last glaciation, the glacier generally retreated. However slight climatic changes happened and, in 1860, the glacier was 3 km longer and the ice level 200 m higher.
570:. This firn in fact represents the straight continuation of the Aletsch Glacier, yet is the shortest of the four tributary glaciers. It has its origin on the southern flank of the 1785: 1160:. From it springs the Massa stream, which flows through the Massa Canyon and is used to generate hydroelectric power. It continues through the upper half of the 1666: 1195:, it has an ice cover of more than 900 m, but as it moves to the south, the greater part of the ice melts, gradually decreasing the cover to around 150 m. 684: 1407:(in German and English) (1 ed.). Naters, Switzerland: Stiftung UNESCO Welterbe Schweizer Alpen Jungfrau-Aletsch, Managementzentrum. Archived from 1693: 1401: 737: 831: 1321:
used hundreds of naked people in a "living sculpture" on the Aletsch Glacier in a photo shoot which he said was intended to draw attention to
1778: 2023: 745: 1606: 825: 817: 809: 2028: 1116:, the Aletsch Glacier has a width of approximately 1.5 km and moves at a rate of 180 m per year to the southeast on course with the 618:
in the east. At its highest point, it is 2 km (1.2 mi) wide, and further down it is still a good 1 km (0.62 mi) wide.
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During the last glacial periods, the Aletsch Glacier was much larger than now. 18,000 years ago the lower part of the ridge, between
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The characteristically dark medial moraine, situated almost in the middle of the glacier, runs protracted in two bands from the
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river can be crossed since 2008 by a suspension bridge, thus allowing hikes between the left and the right part of the glacier.
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of the Rhône valley. The lowest part of the great Aletsch Glacier is largely covered with detritus of the lateral and medial
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it follows over a rise with a descent from 25 to 30 percent; here, the glacier is sharply split. Against the north is the
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in the east. It then takes a great right turn and bends ever closer to the southwest, running through the edge of the
1665:. Berne, Switzerland: swissinfo.ch – the international service of the Swiss Broadcasting Corporation. Archived from 1583:. Berne, Switzerland: swissinfo.ch – the international service of the Swiss Broadcasting Corporation. Archived from 1794: 1355: 330: 994:
railway station (3,450 m) gives a direct access to the upper Aletsch Glacier as well as the normal route to the
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list, thus it is protected and the facilities are mostly restricted to the external zones. The region between
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were above the glacier. After an important retreat, the glacier again advanced 11,000 years ago during the
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is 9 km (5.6 mi) long and is on average about 1.5 km (0.93 mi) wide. On the west, the
138: 2018: 1733: 1716: 1408: 412:, all the highest summits of the Bernese Alps are located within the drainage basin of the glacier. The 742:(3,860 m (12,660 ft)). The southern arm collects its snow and ice in the pot flanked by the 1931: 1926: 1440: 1327: 1044: 272: 515:. All of these firns have their starting points at around 3,800 m (12,500 ft). From the 1092:(3 km long and averaging 600 m wide). This firn is connected in the over the glacier pass 1753: 1843: 871: 1503: 1838: 1638: 605: 1553: 8: 1962: 1763: 1261: 926: 879: 342: 365:. The whole area is considered to be the largest glaciated area in western Eurasia. The 33: 1873: 781: 753: 644: 546: 431: 1921: 1758: 789: 1972: 1936: 1708: 1694:"Glacier and lake-level variations in west-central Europe over the last 3500 years" 1360: 1131: 1099: 439: 366: 1941: 1525: 890: 396: 260: 1992: 1916: 1808: 1322: 1318: 1305: 1290: 1192: 1011: 456: 407: 354: 353:
The Aletsch Glacier is one of the many glaciers located between the cantons of
307: 199: 1997: 1893: 1712: 863: 554: 2012: 1853: 1833: 1476:. Paris, France: UNESCO World Heritage Centre 1992-2016, UN. 13 December 2001 1066: 1024: 1015: 886: 629:("Eternal snow field"), where its starting point takes the east flank of the 389: 376: 370: 323: 228: 160: 147: 1224: 1156:. The glacier's toe currently lies about 1560 m high, far beneath the local 1957: 989: 690: 540: 295: 1341: 1309:
that, by 2100, the glacier will have only one tenth of its 2018 ice mass.
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to be still near 1 km (3,300 ft). It then continues towards the
1868: 1828: 1813: 1347: 1147: 964: 482: 474: 447: 306:. The Aletsch Glacier is composed of four smaller glaciers converging at 299: 131: 1848: 1759:
Webcam overlooking Aletsch Glacier and Konkordiaplatz from Konkordia Hut
1613:. Zurich, Switzerland: Swiss Glacier Monitoring VAW/ETHZ & EKK/SCNAT 1560:. Zurich, Switzerland: Swiss Glacier Monitoring VAW/ETHZ & EKK/SCNAT 1447:. Zurich, Switzerland: Swiss Glacier Monitoring VAW/ETHZ & EKK/SCNAT 1242:
and the glacier, was completely covered by ice. Only the summits of the
652: 1888: 1878: 1502:. Riederalp, VS, Switzerland: Pro Natura Center Aletsch. Archived from 1469: 1370: 1286: 1005: 948: 922:
The area of the Aletsch Glacier and some surrounding valleys is on the
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South of Konkordiaplatz, the glacier runs towards the valley of the
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Before reaching the maximum flow, four smaller glaciers converge at
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is a scarce 7 km (4.3 mi) long, and returns to flank the
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Slight retreat and some thinning can be seen between 1990 and 2000
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Holzhauser, Hanspeter; Magny, Michel; Zumbuühl, Heinz J. (2005).
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The great Aletsch Glacier shows considerable ice cover. At the
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over the 3,158 m (10,361 ft) high glacier pass, the
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are popular view points and are accessible by cable car. The
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Interactive repeat photo comparisons of the Aletsch Glacier
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lie on its east side; finally the culminating point, the
1531:. Riederalp, VS, Switzerland: Pro Natura Center Aletsch 1264:. The glacier reached the Rhône valley, and its ice the 329:
The whole area, including other glaciers is part of the
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Glaciers lying on the east have similar extensions.
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The 1739:Swiss Alps Jungfrau-Aletsch UNESCO World Heritage 786:(3,279 m (10,758 ft)), connects to the 2010: 1399: 720:From the east, the smallest firn arrives at the 840:at an altitude of 2,850 m (9,350 ft). 1734:Documentary film "Legacy of the Great Aletsch" 1663:"Volunteers strip off to fight climate change" 1779: 682: 1607:"Glacier length variations of the year 2006" 1581:"Experts size up glaciers as they melt away" 1435: 1433: 1431: 1429: 1265: 1255: 1249: 1243: 1237: 1211: 1205: 1199: 1180: 1167: 1161: 1145: 1137: 1129: 1123: 1117: 1111: 1100: 1093: 1086: 1079: 1067: 1060: 1037: 1031: 1016: 1003: 995: 987: 978: 970: 962: 946: 938: 930: 907: 899: 892: 877: 869: 861: 853: 845: 835: 823: 815: 807: 801: 795: 787: 779: 773: 767: 759: 751: 743: 735: 728: 721: 712: 706: 700: 699:(3,624 m (11,890 ft)) between the 694: 676: 670: 664: 658: 650: 642: 636: 630: 623: 611: 603: 597: 591: 585: 579: 571: 564: 552: 544: 534: 528: 522: 516: 510: 504: 498: 493:is supplied from the north by three notable 488: 480: 472: 471:, which runs along the northern foot of the 465: 445: 437: 429: 421: 413: 405: 331: 315: 281: 197: 1744:Grosser Aletschgletscher on Glaciers online 1578: 1289:(situation in 1979, 1991 and 2002), due to 400:View downhill, from the top of Jungfraufirn 1786: 1772: 1219: 310:, where its thickness was measured by the 1749:Panoramic drawing of area including hikes 1660: 1496:"The Pro Natura Center Aletsch – History" 1426: 1274:are still visible in the Aletsch Forest. 1084:from the east is the small but important 822:to the south. On the western side of the 758:(3,866 m (12,684 ft)), and the 1276: 1223: 1174: 1054: 395: 383: 375: 361:on the Bernese Alps located east of the 1636:[Glacier melting in the Alps]. 1464: 1462: 1381: 1210:, and the easternmost carries the name 852:(Upper Valais); on the east side, near 180:81.7 km (31.5 square miles) (2011) 90: 57: 2011: 1795:Jungfrau-Aletsch (World Heritage Site) 1631: 1548: 1546: 562:From the northwestern mouth flows the 428:constitute the northern boundary; the 1767: 392:(the glacier is visible on the right) 271: 1459: 1395: 1393: 1391: 1312: 734:. Its northern arm begins below the 2024:World Heritage Sites in Switzerland 1543: 834:(mountain hut) overlooks the whole 806:in a gap between the mountainsides 13: 2029:Tourist attractions in Switzerland 1685: 1632:Prantl, Dominik (11 August 2018). 675:over the snow-covered pass of the 621:From the northern mouth flows the 322:valley before giving birth to the 14: 2045: 1727: 1661:swissinfo, ed. (18 August 2007). 1388: 1317:On August 18, 2007, photographer 463:From the western mouth flows the 1634:"Gletscherschmelze in den Alpen" 1340: 578:and at the eastern flank of the 188:22.6 km (14.0 miles) (2014) 89: 82: 56: 49: 32: 1654: 1356:List of glaciers in Switzerland 1330:on the melting Swiss glaciers. 1166:, eventually entering into the 657:in the east, flowing on to the 1625: 1599: 1572: 1518: 1488: 1400:Andres Betschart, ed. (2011). 1366:Retreat of glaciers since 1850 1002:. It can be reached only from 889:. The river flows through the 635:. In an elbow, it flanks from 1: 1526:"A glacier starts to melt..." 1470:"Swiss Alps Jungfrau-Aletsch" 860:, lies a small glacier lake, 1579:Luigi Jorio (16 July 2007). 693:for "Ice Sea"). Through the 348: 38:Aletsch Glacier in June 2011 7: 1333: 1050: 711:stands a connection to the 388:The beginning of the river 16:Largest glacier in the Alps 10: 2050: 1554:"Glacier length variation" 1285:of Aletsch Glacier in the 1128:in the west and the great 1036:, at 2,065 metres between 917: 778:another glacier pass, the 27:(Grosser) Aletschgletscher 1985: 1950: 1909: 1902: 1801: 1713:10.1191/0959683605hl853ra 1328:effects of global warming 1078:Also at the mouth of the 244: 234: 224: 216: 208: 192: 184: 176: 137: 123: 115: 43: 31: 26: 21: 1014:. Hiking paths pass the 283:Grosser Aletschgletscher 1220:Formation and evolution 683: 338:, which was declared a 273:[ˈalɛtʃˌɡlɛtʃɐ] 73:Show map of Switzerland 70:Location in Switzerland 1294: 1266: 1256: 1250: 1244: 1238: 1229: 1212: 1206: 1200: 1188: 1181: 1168: 1162: 1146: 1138: 1130: 1124: 1122:valley, bordering the 1118: 1112: 1101: 1094: 1087: 1080: 1075: 1068: 1061: 1038: 1032: 1017: 1004: 996: 988: 979: 971: 963: 947: 939: 931: 908: 900: 893: 878: 872:Mittelaletschgletscher 870: 862: 854: 846: 836: 824: 816: 808: 802: 796: 788: 780: 774: 768: 760: 752: 744: 736: 729: 722: 713: 707: 701: 695: 677: 671: 665: 659: 651: 643: 637: 631: 624: 612: 604: 598: 592: 590:in-between. Up to the 586: 580: 572: 565: 553: 545: 535: 529: 523: 517: 511: 505: 499: 489: 481: 473: 466: 446: 438: 430: 422: 414: 406: 401: 393: 381: 332: 316: 282: 264: 209:Highest elevation 198: 103:Aletsch Glacier (Alps) 1844:Hinteres Fiescherhorn 1304:Since the end of the 1280: 1227: 1179:Aletsch Glacier from 1178: 1098:(3280 m high) to the 1058: 814:to the north and the 399: 387: 379: 278:Great Aletsch Glacier 269:German pronunciation: 217:Lowest elevation 2034:Glaciers of the Alps 1839:Grosses Fiescherhorn 1722:on 17 December 2008. 1639:Sueddeutsche Zeitung 1382:Notes and references 1059:Aletsch Glacier and 880:Oberaletschgletscher 766:. Between the peaks 641:in the west and the 610:in the west and the 161:46.44222°N 8.07722°E 1587:on 19 December 2008 1402:"World of glaciers" 1262:last glacial period 536:Grosser Aletschfirn 530:Grosser Aletschfirn 490:Grosser Aletschfirn 467:Grosser Aletschfirn 343:World Heritage Site 157: /  2019:Glaciers of Valais 1874:Grosses Wannenhorn 1611:glaciology.ethz.ch 1558:glaciology.ethz.ch 1445:glaciology.ethz.ch 1295: 1230: 1189: 1076: 754:Fiescher Gabelhorn 645:Gross Fiescherhorn 539:connects with the 432:Gross Fiescherhorn 402: 394: 382: 2006: 2005: 1981: 1980: 1932:Upper Grindelwald 1927:Lower Grindelwald 1506:on 13 August 2009 1313:Photo opportunity 953:(which is called 790:Fieschergletscher 678:Unners Mönchsjoch 506:Gletscherhornfirn 380:At Konkordiaplatz 286:) is the largest 248: 247: 166:46.44222; 8.07722 2041: 1907: 1906: 1788: 1781: 1774: 1765: 1764: 1723: 1721: 1715:. 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Retrieved 1667:the original 1656: 1644:. Retrieved 1637: 1627: 1615:. Retrieved 1610: 1601: 1589:. Retrieved 1585:the original 1574: 1562:. Retrieved 1557: 1533:. Retrieved 1529:pronatura.ch 1528: 1520: 1508:. Retrieved 1504:the original 1500:pronatura.ch 1499: 1490: 1478:. Retrieved 1473: 1449:. Retrieved 1444: 1416:. Retrieved 1409:the original 1316: 1303: 1299: 1296: 1270:. Remaining 1235: 1231: 1197: 1190: 1187:(Sept. 2007) 1109: 1085: 1077: 1074:(Sept. 2007) 1029: 990:Jungfraujoch 985: 954: 921: 843: 727: 714:Jungfraufirn 622: 599:Jungfraufirn 587:Jungfraujoch 566:Jungfraufirn 563: 464: 454: 403: 352: 328: 296:Bernese Alps 277: 251: 249: 1963:Oberaletsch 1894:Blüemlisalp 1869:Bietschhorn 1829:Schreckhorn 1814:Aletschhorn 1642:(in German) 1418:14 February 1348:Alps portal 1267:Riederfurka 1245:Bettmerhorn 1148:Bettmerhorn 1125:Dreieckhorn 1088:Grüneggfirn 1033:Riederfurka 965:Bettmerhorn 864:Märjelensee 800:enters the 797:Grüneggfirn 738:Grünegghorn 730:Grüneggfirn 555:Lötschental 551:, into the 483:Dreieckhorn 475:Aletschhorn 448:Aletschhorn 404:Except the 164: / 139:Coordinates 132:Switzerland 2013:Categories 1951:South side 1910:North side 1889:Wetterhorn 1879:Mittaghorn 1474:unesco.org 1371:Swiss Alps 1287:Swiss Alps 1257:Fusshörner 1132:Wannenhorn 1065:seen from 1045:Pro Natura 1006:Interlaken 949:Bettmeralp 856:Bettmeralp 848:Oberwallis 775:Grünhörnli 769:Wyssnollen 746:Wyssnollen 509:, and the 363:Gemmi Pass 302:canton of 239:Retreating 149:46°26′32″N 1993:Oeschinen 1922:Tschingel 1802:Mountains 1646:13 August 1376:Vordersee 1251:Eggishorn 1239:Riederalp 1183:Eggishorn 1158:tree line 1140:Eggishorn 1110:From the 1069:Konkordia 1039:Riederalp 1018:Konkordia 973:Eggishorn 941:Riederalp 606:Kranzberg 584:with the 349:Geography 345:in 2001. 257:‹See Tfd› 193:Thickness 1998:Märjelen 1973:Fiescher 1937:Unteraar 1903:Glaciers 1884:Nesthorn 1864:Ebnefluh 1849:Grünhorn 1819:Jungfrau 1673:18 March 1617:18 March 1591:18 March 1564:18 March 1535:18 March 1510:18 March 1480:18 March 1451:18 March 1334:See also 1272:moraines 1254:and the 1154:moraines 1102:Fiescher 1051:Panorama 998:Jungfrau 708:Trugberg 705:and the 685:Ischmeer 653:Grünhorn 638:Trugberg 614:Trugberg 581:Jungfrau 416:Jungfrau 367:Fiescher 225:Terminus 152:8°4′38″E 124:Location 1968:Aletsch 1942:Oberaar 1283:retreat 1105:Glacier 1030:On the 1023:or the 918:Tourism 894:Gibidum 826:Fülberg 818:Fülberg 810:Grünegg 521:to the 298:in the 290:in the 288:glacier 196:940 m ( 1917:Kander 959:Valais 933:Belalp 924:UNESCO 794:. The 726:: the 596:, the 527:, the 503:, the 497:: the 487:. The 359:Valais 340:UNESCO 304:Valais 261:German 235:Status 220:1650 m 212:4160 m 185:Length 128:Valais 1986:Lakes 1859:Eiger 1824:Mönch 1720:(PDF) 1697:(PDF) 1412:(PDF) 1405:(PDF) 1233:ice. 1169:Rhône 1119:Rhône 980:Massa 957:) in 906:near 902:Rhône 891:Lake 887:Massa 762:Chamm 702:Mönch 632:Mönch 574:Mönch 495:firns 424:Mönch 390:Massa 324:Massa 318:Rhône 300:Swiss 276:) or 229:Massa 1958:Lang 1675:2016 1648:2018 1619:2016 1593:2016 1566:2016 1537:2016 1512:2016 1482:2016 1453:2016 1420:2016 1281:The 1163:Brig 1144:and 1012:Bern 986:The 969:and 945:and 910:Brig 830:the 772:and 649:and 479:and 436:and 420:and 369:and 357:and 355:Bern 292:Alps 250:The 177:Area 116:Type 1709:doi 1072:Hut 1021:Hut 371:Aar 312:ETH 2015:: 1705:15 1703:. 1699:. 1609:. 1556:. 1545:^ 1498:. 1472:. 1461:^ 1443:. 1428:^ 1390:^ 1248:, 1216:. 1172:. 937:, 914:. 750:, 459:: 267:, 263:: 130:, 1787:e 1780:t 1773:v 1711:: 1677:. 1650:. 1621:. 1595:. 1568:. 1539:. 1514:. 1484:. 1455:. 1422:. 1293:. 717:. 689:( 559:. 280:( 254:( 204:)

Index


Map showing the location of Aletsch Glacier
Map showing the location of Aletsch Glacier
Valais
Switzerland
Coordinates
46°26′32″N 8°4′38″E / 46.44222°N 8.07722°E / 46.44222; 8.07722
Konkordiaplatz
Massa
Retreating
‹See Tfd›
German
[ˈalɛtʃˌɡlɛtʃɐ]
glacier
Alps
Bernese Alps
Swiss
Valais
Konkordiaplatz
ETH
Rhône
Massa
Jungfrau-Aletsch Protected Area
UNESCO
World Heritage Site
Bern
Valais
Gemmi Pass
Fiescher
Aar

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