Knowledge (XXG)

Moulin (geomorphology)

Source 📝

31: 1081: 55: 47: 91:
from the surface down to wherever it may go. Water from a moulin often exits the glacier at base level, sometimes into the sea, and occasionally the lower end of a moulin may be exposed in the face of a glacier or at the edge of a stagnant block of
80:. Moulins can reach the bottom of the glacier, hundreds of meters deep, or may only reach the depth of common crevasse formation (about 10–40 m) where the stream flows englacially. They are the most typical cause for the formation of a 73:) is a roughly circular, vertical (or nearly vertical) well-like shaft formed where a surface meltstream exploits a weakness in the ice. The term is derived from the French word for mill. 30: 360:
Hoffman, Matthew J.; Perego, Mauro; Andrews, Lauren C.; Price, Stephen F.; Neumann, Thomas A.; Johnson, Jesse V.; Catania, Ginny; Lüthi, Martin P. (28 January 2018).
408: 1122: 103:. Given an appropriate relationship between an ice sheet and the terrain, the head of water in a moulin can provide the power and medium with which a 300: 431: 458: 417: 192: 76:
They can be up to 10 meters wide and are typically found on ice sheets and flat areas of a glacier in a region of transverse
1063: 713: 107:
may be formed. The role of this water in lubricating the base of ice sheets and glaciers is complex and it is implicated in
1115: 366: 693: 1146: 632: 268:"Modeling moulin distribution on Sermeq Avannarleq glacier using ASTER and WorldView imagery and fuzzy set theory" 1151: 50:
Schematic drawing of glacial features illustrating how moulins transport surface water to the base of the glacier
1108: 668: 134: 228: 718: 978: 451: 266:
Phillips, T.; Leyk, S.; Rajaram, H.; Colgan, W.; Abdalati, W.; McGrath, D.; Steffen, K. (September 2011).
1001: 708: 314: 154: 744: 1141: 938: 765: 683: 108: 39: 770: 567: 252: 865: 1053: 1016: 840: 557: 444: 305: 188: 164: 129: 59: 1092: 1058: 958: 855: 785: 647: 526: 385: 375: 282: 204: 35: 362:"Widespread Moulin Formation During Supraglacial Lake Drainages in Greenland (Open Access)" 267: 953: 928: 810: 723: 612: 421: 159: 414: 336: 845: 830: 703: 688: 617: 602: 536: 521: 100: 1135: 1026: 968: 948: 943: 890: 885: 870: 815: 760: 698: 673: 552: 104: 906: 835: 592: 587: 531: 81: 1021: 900: 880: 875: 860: 820: 678: 562: 112: 17: 54: 1088: 1080: 1048: 1031: 1011: 963: 597: 511: 286: 246: 144: 637: 577: 506: 501: 496: 390: 139: 88: 46: 991: 986: 800: 739: 663: 572: 380: 361: 340: 149: 99:
Water from moulins may help lubricate the base of the glacier, affecting
77: 301:"Moulin 'Blanc': NASA Expedition Probes Deep Within a Greenland Glacier" 187:(5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp. 933: 923: 850: 622: 607: 516: 491: 467: 183:
Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, J.A., eds. (2005)
27:
Shaft within a glacier or ice sheet which water enters from the surface
895: 805: 486: 481: 87:
Moulins are parts of the internal structure of glaciers, that carry
996: 825: 642: 53: 45: 29: 1006: 775: 582: 425: 310: 124: 440: 93: 436: 229:"Glacial moulin formation triggered by rapid lake drainage" 248:
Glacial moulin formation triggered by rapid lake drainage
1096: 977: 916: 793: 784: 753: 732: 656: 545: 474: 1116: 452: 205:"SwissEduc - Glaciers online - Photoglossary" 8: 1123: 1109: 790: 459: 445: 437: 389: 379: 176: 34:A hiker peers into a large moulin on 7: 1077: 1075: 337:"Explorers dive under Greenland ice" 58:Surface water entering a moulin on 1095:. You can help Knowledge (XXG) by 109:accelerating the speed of glaciers 25: 1079: 1064:Template:Periglacial environment 255:from the original on 2021-12-21. 428:expedition to Greenland moulin. 335:Amos, Jonathan (Dec 21, 2008). 313:. Dec 11, 2006. Archived from 1: 432:Moulins in Greenland (Google) 275:Remote Sensing of Environment 367:Geophysical Research Letters 1168: 1074: 1044: 287:10.1016/j.rse.2011.04.029 135:Holocene glacial retreat 409:Earth Observatory page 62: 51: 43: 1002:Giant current ripples 415:December 2006 article 111:and thus the rate of 57: 49: 33: 381:10.1002/2017GL075659 939:Moraine-dammed lake 766:Subglacial eruption 185:Glossary of Geology 40:Talkeetna Mountains 771:Subglacial volcano 754:Volcanic relations 420:2021-07-27 at the 63: 52: 44: 1147:Glacial landforms 1104: 1103: 1072: 1071: 1040: 1039: 558:Accumulation zone 306:Earth Observatory 165:Supraglacial lake 60:Athabasca Glacier 16:(Redirected from 1159: 1152:Glaciology stubs 1125: 1118: 1111: 1083: 1076: 959:Terminal moraine 791: 527:Piedmont glacier 461: 454: 447: 438: 396: 395: 393: 391:2060/20180000574 383: 357: 351: 350: 348: 347: 332: 326: 325: 323: 322: 297: 291: 290: 281:(9): 2292–2301. 272: 263: 257: 256: 243: 237: 236: 225: 219: 218: 216: 215: 209:www.swisseduc.ch 201: 195: 181: 36:Snowbird Glacier 21: 18:Moulin (geology) 1167: 1166: 1162: 1161: 1160: 1158: 1157: 1156: 1132: 1131: 1130: 1129: 1073: 1068: 1036: 973: 954:Sevetti moraine 912: 866:Roche moutonnée 811:Cirque stairway 780: 749: 728: 652: 613:Lateral moraine 541: 470: 465: 422:Wayback Machine 405: 400: 399: 359: 358: 354: 345: 343: 334: 333: 329: 320: 318: 299: 298: 294: 270: 265: 264: 260: 245: 244: 240: 227: 226: 222: 213: 211: 203: 202: 198: 182: 178: 173: 160:Subglacial lake 121: 113:glacial calving 28: 23: 22: 15: 12: 11: 5: 1165: 1163: 1155: 1154: 1149: 1144: 1134: 1133: 1128: 1127: 1120: 1113: 1105: 1102: 1101: 1084: 1070: 1069: 1067: 1066: 1061: 1056: 1051: 1045: 1042: 1041: 1038: 1037: 1035: 1034: 1029: 1024: 1019: 1014: 1009: 1004: 999: 994: 989: 983: 981: 975: 974: 972: 971: 966: 961: 956: 951: 946: 941: 936: 931: 926: 920: 918: 914: 913: 911: 910: 903: 898: 893: 888: 883: 878: 873: 868: 863: 858: 853: 848: 846:Hanging valley 843: 841:Glacial striae 838: 833: 828: 823: 818: 813: 808: 803: 797: 795: 788: 782: 781: 779: 778: 773: 768: 763: 757: 755: 751: 750: 748: 747: 742: 736: 734: 730: 729: 727: 726: 721: 716: 711: 706: 704:Periglaciation 701: 696: 694:Outburst flood 691: 686: 681: 676: 671: 666: 660: 658: 654: 653: 651: 650: 645: 640: 635: 630: 625: 620: 618:Medial moraine 615: 610: 605: 603:Glacier tongue 600: 595: 590: 585: 580: 575: 570: 565: 560: 555: 549: 547: 543: 542: 540: 539: 537:Valley glacier 534: 529: 524: 522:Outlet glacier 519: 514: 509: 504: 499: 494: 489: 484: 478: 476: 472: 471: 466: 464: 463: 456: 449: 441: 435: 434: 429: 412: 404: 403:External links 401: 398: 397: 374:(2): 778–788. 352: 327: 292: 258: 238: 220: 196: 175: 174: 172: 169: 168: 167: 162: 157: 152: 147: 142: 137: 132: 130:Giant's kettle 127: 120: 117: 101:glacial motion 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1164: 1153: 1150: 1148: 1145: 1143: 1140: 1139: 1137: 1126: 1121: 1119: 1114: 1112: 1107: 1106: 1100: 1098: 1094: 1091:article is a 1090: 1085: 1082: 1078: 1065: 1062: 1060: 1057: 1055: 1052: 1050: 1047: 1046: 1043: 1033: 1030: 1028: 1025: 1023: 1020: 1018: 1015: 1013: 1010: 1008: 1005: 1003: 1000: 998: 995: 993: 990: 988: 985: 984: 982: 980: 979:Glaciofluvial 976: 970: 969:Veiki moraine 967: 965: 962: 960: 957: 955: 952: 950: 949:Rogen moraine 947: 945: 944:Pulju moraine 942: 940: 937: 935: 932: 930: 929:Erratic block 927: 925: 922: 921: 919: 915: 909: 908: 904: 902: 899: 897: 894: 892: 891:Tunnel valley 889: 887: 886:Trough valley 884: 882: 879: 877: 874: 872: 869: 867: 864: 862: 859: 857: 854: 852: 849: 847: 844: 842: 839: 837: 834: 832: 829: 827: 824: 822: 819: 817: 816:Crag and tail 814: 812: 809: 807: 804: 802: 799: 798: 796: 792: 789: 787: 783: 777: 774: 772: 769: 767: 764: 762: 759: 758: 756: 752: 746: 743: 741: 738: 737: 735: 731: 725: 722: 720: 717: 715: 712: 710: 707: 705: 702: 700: 699:Overdeepening 697: 695: 692: 690: 687: 685: 682: 680: 677: 675: 674:Basal sliding 672: 670: 667: 665: 662: 661: 659: 655: 649: 646: 644: 641: 639: 636: 634: 631: 629: 626: 624: 621: 619: 616: 614: 611: 609: 606: 604: 601: 599: 596: 594: 591: 589: 586: 584: 581: 579: 576: 574: 571: 569: 566: 564: 561: 559: 556: 554: 553:Ablation zone 551: 550: 548: 544: 538: 535: 533: 530: 528: 525: 523: 520: 518: 515: 513: 510: 508: 505: 503: 500: 498: 495: 493: 490: 488: 485: 483: 480: 479: 477: 473: 469: 462: 457: 455: 450: 448: 443: 442: 439: 433: 430: 427: 423: 419: 416: 413: 410: 407: 406: 402: 392: 387: 382: 377: 373: 369: 368: 363: 356: 353: 342: 338: 331: 328: 317:on 2020-08-07 316: 312: 308: 307: 302: 296: 293: 288: 284: 280: 276: 269: 262: 259: 254: 250: 249: 242: 239: 234: 230: 224: 221: 210: 206: 200: 197: 194: 193:0-922152-76-4 190: 186: 180: 177: 170: 166: 163: 161: 158: 156: 153: 151: 148: 146: 143: 141: 138: 136: 133: 131: 128: 126: 123: 122: 118: 116: 114: 110: 106: 105:tunnel valley 102: 97: 95: 90: 85: 83: 79: 74: 72: 68: 61: 56: 48: 41: 37: 32: 19: 1097:expanding it 1086: 917:Depositional 907:Zungenbecken 905: 836:Glacial lake 831:Glacial horn 745:Mass balance 733:Measurements 669:Accumulation 627: 593:Glacier head 588:Glacier cave 532:Rock glacier 371: 365: 355: 344:. Retrieved 330: 319:. Retrieved 315:the original 304: 295: 278: 274: 261: 247: 241: 232: 223: 212:. Retrieved 208: 199: 184: 179: 98: 86: 82:glacier cave 75: 71:glacier mill 70: 66: 64: 1022:Outwash fan 1017:Kettle hole 901:Valley step 881:Trough lake 861:Ribbon lake 821:Finger lake 563:Bergschrund 155:Snake coils 1142:Glaciology 1136:Categories 1089:glaciology 1049:Glaciology 1032:Urstromtal 1012:Kame delta 964:Till plain 761:Jökulhlaup 719:Starvation 598:Ice divide 512:Ice stream 346:2009-06-17 321:2009-06-17 214:2022-10-24 171:References 794:Erosional 786:Landforms 657:Processes 638:Randkluft 633:Penitente 578:Dirt cone 507:Ice shelf 502:Ice sheet 497:Ice field 251:(Video). 140:Melt pond 89:meltwater 78:crevasses 42:of Alaska 38:, in the 1054:Category 992:Diluvium 987:Alpentor 896:U-valley 740:Ice core 709:Plucking 664:Ablation 648:Terminus 573:Crevasse 568:Blue ice 468:Glaciers 424:about a 418:Archived 341:BBC News 253:Archived 233:phys.org 150:Sinkhole 119:See also 934:Moraine 924:Drumlin 851:Nunatak 714:Retreat 679:Calving 623:Moraine 608:Icefall 546:Anatomy 517:Ledoyom 492:Ice cap 235:. 2018. 1027:Sandur 871:Suncup 856:P-form 806:Cirque 689:Motion 628:Moulin 487:Cirque 482:Aufeis 191:  67:moulin 1087:This 997:Esker 826:Fjord 801:Arête 724:Surge 684:Creep 643:Sérac 475:Types 271:(PDF) 1093:stub 1059:List 1007:Kame 876:Tarn 776:Tuya 583:Firn 426:NASA 311:NASA 189:ISBN 145:Névé 125:Firn 69:(or 386:hdl 376:doi 283:doi 279:115 94:ice 1138:: 384:. 372:45 370:. 364:. 339:. 309:. 303:. 277:. 273:. 231:. 207:. 115:. 96:. 84:. 65:A 1124:e 1117:t 1110:v 1099:. 460:e 453:t 446:v 411:. 394:. 388:: 378:: 349:. 324:. 289:. 285:: 217:. 20:)

Index

Moulin (geology)

Snowbird Glacier
Talkeetna Mountains


Athabasca Glacier
crevasses
glacier cave
meltwater
ice
glacial motion
tunnel valley
accelerating the speed of glaciers
glacial calving
Firn
Giant's kettle
Holocene glacial retreat
Melt pond
Névé
Sinkhole
Snake coils
Subglacial lake
Supraglacial lake
ISBN
0-922152-76-4
"SwissEduc - Glaciers online - Photoglossary"
"Glacial moulin formation triggered by rapid lake drainage"
Glacial moulin formation triggered by rapid lake drainage
Archived

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.