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189:. The glacier was most recently measured in 2015 at 370 acres (1.5 km), yet when first documented in 1850, the glacier also included the now separate Jackson Glacier and together, they covered 1,875 acres (7.59 km). In 1850, there were an estimated 150 glaciers in the park. Glaciologists have stated that by the year 2030, all the glaciers in the park may disappear. However, under a modest increase in overall
54:
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208:, where images of the glacier are taken from identical locations periodically. Between 1966 and 2005, Blackfoot Glacier lost over 23 percent of its surface area. In the summer of 2007, a portion of Blackfoot Glacier broke off and formed an ice avalanche.
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The upper image shows how
Blackfoot (on the left) and Jackson Glaciers (on the right) appeared in 1914. The lower image is taken from the same vantage point in 2001
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438:"Monitoring and Assessing Glacier Changes and Their Associated Hydrologic and Ecologic Effects in Glacier National Park"
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of glaciers in and surrounding
Glacier National Park. The glacier is being monitored using remote sensing equipment and
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330:"Blackfoot Glacier, Glacier National Park Slow Recession Indicates Persistence"
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406:"Modeled Climate-Induced Glacier Change in Glacier National Park, 1850–2100"
200:'s Glacier Monitoring Research program, which is researching changes to the
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Blackfoot
Glacier at left was once joined to Jackson Glacier on the right
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Jackson and
Blackfoot glaciers have been selected for monitoring by the
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468:"Losing a Legacy: A photographic story of disappearing glaciers"
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levels, some glaciers will remain until the late 23rd century.
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10.1641/0006-3568(2003)053[0131:mcigci]2.0.co;2
382:(Map). TopoQwest (United States Geological Survey Maps)
352:. United States Geological Survey. 2010. Archived from
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is the second largest of the remaining 25 glaciers in
404:Hall, Myrna H.P.; Daniel B. Fagre (February 2003).
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444:. U.S. Geological Survey. 2012. Archived from
347:"Retreat of Glaciers in Glacier National Park"
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181:. Blackfoot Glacier is just to the north of
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853:Glaciers of Glacier National Park (U.S.)
473:. U.S. Geological Survey. Archived from
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306:United States Department of the Interior
272:Glaciers in Glacier National Park (U.S.)
35:Blackfoot Glacier and Blackfoot Mountain
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399:
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267:List of glaciers in the United States
7:
848:Glaciers of Glacier County, Montana
297:Geographic Names Information System
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16:Glacier in Montana, United States
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140:370 acres (1.5 km) in 2015
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302:United States Geological Survey
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213:Images of Blackfoot Glacier
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442:Glacier Monitoring Studies
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466:Fagre, Dan; Lisa McKeon.
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228:Blackfoot Glacier, 1917
91:Glacier County, Montana
198:U.S. Geological Survey
121:48.59444°N 113.67000°W
175:Glacier National Park
87:Glacier National Park
480:on February 20, 2013
448:on February 18, 2013
148:1 mile (1.6 km)
126:48.59444; -113.67000
858:Glaciers of Montana
292:"Blackfoot Glacier"
117: /
66:Location in Montana
702:North Swiftcurrent
332:. August 31, 2017.
206:repeat photography
183:Blackfoot Mountain
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379:Mount Jackson, MT
171:Blackfoot Glacier
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60:Blackfoot Glacier
24:Blackfoot Glacier
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792:Swiftcurrent
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482:. Retrieved
475:the original
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450:. Retrieved
446:the original
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384:. Retrieved
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361:. Retrieved
354:the original
309:. Retrieved
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202:mass balance
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18:
802:Thunderbird
697:Mountaineer
692:Miche Wabun
617:Grasshopper
582:Castle Rock
484:February 9,
386:February 9,
311:February 9,
124: /
112:113°40′12″W
99:Coordinates
842:Categories
452:2013-02-09
410:BioScience
363:2013-02-09
278:References
164:Retreating
109:48°35′40″N
822:Whitecrow
807:Two Ocean
737:Red Eagle
622:Gray Wolf
567:Blackwell
562:Blackfoot
557:Beartooth
185:and near
777:Sundance
762:Snowbank
722:Pumpelly
687:McDonald
637:Harrison
627:Grinnell
527:Glaciers
261:See also
153:Terminus
83:Location
812:Vulture
782:Sunrise
772:Stanton
757:Sky Top
747:Shepard
732:Rainbow
727:Pumpkin
712:Phantom
707:Old Sun
667:Jackson
612:Granite
597:Fissure
572:Boulder
542:Agassiz
531:Montana
179:Montana
156:Moraine
767:Sperry
742:Sexton
717:Piegan
682:Lupfer
672:Kintla
662:Ipasha
657:Hudson
652:Hopper
647:Hidden
642:Herbst
632:Harris
587:Chaney
577:Carter
161:Status
145:Length
93:, U.S.
752:Siyeh
677:Logan
607:Grant
592:Dixon
547:Ahern
478:(PDF)
471:(PDF)
357:(PDF)
350:(PDF)
827:Wolf
787:Swan
552:Baby
486:2013
388:2013
313:2013
137:Area
75:Type
602:Gem
529:of
418:doi
844::
440:.
414:53
412:.
408:.
396:^
338:^
321:^
304:,
300:.
294:.
177:,
89:,
519:e
512:t
505:v
488:.
455:.
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420::
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366:.
315:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
