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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
69:. 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
62:) 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.
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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).
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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
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may be formed. The role of this water in lubricating the base of ice sheets and glaciers is complex and it is implicated in
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257:"Modeling moulin distribution on Sermeq Avannarleq glacier using ASTER and WorldView imagery and fuzzy set theory"
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Schematic drawing of glacial features illustrating how moulins transport surface water to the base of the glacier
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Phillips, T.; Leyk, S.; Rajaram, H.; Colgan, W.; Abdalati, W.; McGrath, D.; Steffen, K. (September 2011).
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351:"Widespread Moulin Formation During Supraglacial Lake Drainages in Greenland (Open Access)"
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Water from moulins may help lubricate the base of the glacier, affecting
290:"Moulin 'Blanc': NASA Expedition Probes Deep Within a Greenland Glacier"
176:(5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp.
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Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, J.A., eds. (2005)
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Shaft within a glacier or ice sheet which water enters from the surface
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Moulins are parts of the internal structure of glaciers, that carry
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Glacial moulin formation triggered by rapid lake drainage
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23:A hiker peers into a large moulin on
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47:Surface water entering a moulin on
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98:accelerating the speed of glaciers
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1053:Template:Periglacial environment
244:from the original on 2021-12-21.
417:expedition to Greenland moulin.
324:Amos, Jonathan (Dec 21, 2008).
302:. Dec 11, 2006. Archived from
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1:
421:Moulins in Greenland (Google)
264:Remote Sensing of Environment
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1084:. You can help Knowledge by
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356:Geophysical Research Letters
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276:10.1016/j.rse.2011.04.029
124:Holocene glacial retreat
398:Earth Observatory page
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991:Giant current ripples
404:December 2006 article
100:and thus the rate of
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370:10.1002/2017GL075659
928:Moraine-dammed lake
755:Subglacial eruption
174:Glossary of Geology
29:Talkeetna Mountains
760:Subglacial volcano
743:Volcanic relations
409:2021-07-27 at the
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1136:Glacial landforms
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547:Accumulation zone
295:Earth Observatory
154:Supraglacial lake
49:Athabasca Glacier
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825:Glacial lake
820:Glacial horn
734:Mass balance
722:Measurements
658:Accumulation
616:
582:Glacier head
577:Glacier cave
521:Rock glacier
360:
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333:. Retrieved
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308:. Retrieved
304:the original
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201:. Retrieved
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71:glacier cave
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60:glacier mill
59:
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1011:Outwash fan
1006:Kettle hole
890:Valley step
870:Trough lake
850:Ribbon lake
810:Finger lake
552:Bergschrund
144:Snake coils
1131:Glaciology
1125:Categories
1078:glaciology
1038:Glaciology
1021:Urstromtal
1001:Kame delta
953:Till plain
750:Jökulhlaup
708:Starvation
587:Ice divide
501:Ice stream
335:2009-06-17
310:2009-06-17
203:2022-10-24
160:References
783:Erosional
775:Landforms
646:Processes
627:Randkluft
622:Penitente
567:Dirt cone
496:Ice shelf
491:Ice sheet
486:Ice field
240:(Video).
129:Melt pond
78:meltwater
67:crevasses
31:of Alaska
27:, in the
1043:Category
981:Diluvium
976:Alpentor
885:U-valley
729:Ice core
698:Plucking
653:Ablation
637:Terminus
562:Crevasse
557:Blue ice
457:Glaciers
413:about a
407:Archived
330:BBC News
242:Archived
222:phys.org
139:Sinkhole
108:See also
923:Moraine
913:Drumlin
840:Nunatak
703:Retreat
668:Calving
612:Moraine
597:Icefall
535:Anatomy
506:Ledoyom
481:Ice cap
224:. 2018.
1016:Sandur
860:Suncup
845:P-form
795:Cirque
678:Motion
617:Moulin
476:Cirque
471:Aufeis
180:
56:moulin
1076:This
986:Esker
815:Fjord
790:Arête
713:Surge
673:Creep
632:Sérac
464:Types
260:(PDF)
1082:stub
1048:List
996:Kame
865:Tarn
765:Tuya
572:Firn
415:NASA
300:NASA
178:ISBN
134:Névé
114:Firn
58:(or
375:hdl
365:doi
272:doi
268:115
83:ice
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
