Melt pond and User talk:Lasfrederiksenkurt: Difference between pages
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Anyeverybody (talk | contribs) m the ocean is dark blue in this picture, the melt ponds are just blue |
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[[Image:Sea Ice MeltPonds.png|thumb|right|Melt ponds on sea ice in [[Baffin Bay ]]]] |
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[[Image:Greenland Ilulissat.jpg|thumb|right|This false colour satellite image shows blue melt ponds in [[Greenland]]]] |
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== October 2008 == |
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'''Melt ponds''' are pools of open water that form on [[sea ice]] in the warmer months of spring and summer. The ponds are also found on [[glacier|glacial]] ice and [[ice shelf]]s. Ponds of melted water can also develop under the ice. |
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Welcome to Wikipedia. Although everyone is welcome to contribute constructively to the encyclopedia, your addition of one or more external links to the page [[:Goober (brand)]] has been reverted. Your edit [http://en.wikipedia.org/w/index.php?title=Goober_(brand)&diff=244918748&oldid=228657933 here] was reverted by an automated bot that attempts to remove [[WP:NOT#REPOSITORY|unwanted links]] and [[WP:SPAM|spam]] from Wikipedia. The external link you added or changed is on my list of links to remove and probably shouldn't be included in Wikipedia. The external links I reverted were matching the following [[regex|regex rule(s)]]: rule: '[A-Za-z][0-9]+\.photobucket\.com\/albums\/.*\.[jpg|jpeg|gif|png|svg]' (link(s): http://s240.photobucket.com/albums/ff108/ottomandrummer/?action=view¤t=goober.jpg" http://i240.photobucket.com/albums/ff108/ottomandrummer/goober.jpg") . If the external link you inserted or changed was to a [[Wikipedia:Media|media]] file (e.g. an [[Wikipedia:Images|image]] or a [[Wikipedia:Media help|sound or video]] file) on an external server, then note that linking to such files may be subject to Wikipedia's [[WP:COPYRIGHT|copyright policy]] and therefore probably should not be linked to. Please consider using our [[Wikipedia:Upload|upload]] facility to upload a suitable media file. |
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If you were trying to insert an [[Wikipedia:External links|external link]] that does comply with our [[Wikipedia:List of policies|policies]] and [[Wikipedia:List of guidelines|guidelines]], then please accept my creator's apologies and feel free to undo the bot's revert. Please read Wikipedia's [[WP:EL|external links guideline]] for more information, and consult my [[User:XLinkBot/Reversion reasons|list of frequently-reverted sites]]. For more information about me, see [[User:XLinkBot/FAQ|my FAQ page]]. Thanks! [[User:XLinkBot|XLinkBot]] ([[User talk:XLinkBot|talk]]) 04:32, 13 October 2008 (UTC) |
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Melt ponds are usually darker than the surrounding ice. The distribution and size of melt ponds is highly variable. |
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These ponds absorb the sun's [[solar radiation|energy]], rather than reflecting it as ice does, thereby having a significant influence on [[Earth's radiation balance]]. This differential, which has not been scientifically investigated until recently, has a large effect on the rate of ice melting and the extent of ice cover. <ref>{{cite web | title = Scientists use Satellite to "Pond-er" Melted Artic Ice | publisher = [[NASA]] | date = 2 October, 2003 | url = http://www.nasa.gov/centers/goddard/news/topstory/2003/0918meltwater.html | accessdate=2008-01-01}}</ref> |
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Melt ponds can melt through to the ocean's surface.<ref>{{cite web |url=http://www.crrel.usace.army.mil/sid/perovich/SHEBAice/meltpond.htm |title=Melt ponds |accessdate=2008-01-01 |format= |work= }}</ref> [[Salt water]] entering the pond, increases the melt rate because the salty water is warmer than the fresh water of the pond. |
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Water from melt ponds over the surface can run into [[crevasse]]s or [[Moulin (geology)|"moulin"]] (tubes leading under ice sheets or glaciers), turning into [[meltwater]]. The water may reach the underlying rock. The effect is an increase in the rate of ice flow to the oceans, as the fluid behaves like a [[lubricant]] in the [[basal sliding]] of glaciers.<ref>{{cite web |url=http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17607 |title=Melt Ponds on Greenland's Ice Cap |accessdate=2008-01-01 |format= |work= }}</ref> |
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{{seealso|Glacial motion}} |
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== Effects of Melt Ponds == |
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The effects of melt ponds are diverse. Research by Ted Scambos, from the [[National Snow and Ice Data Center]] has supported the melt water fracturing theory, that suggests the melting process associated with melt ponds has a substantial affect on [[Ice shelf#Ice shelf disruption|ice shelf disintegration]].<ref>{{cite web |url=http://nsidc.org/iceshelves/larsenb2002/ |title=Larsen B Ice Shelf Collapses in Antarctica |accessdate=2008-01-01 |format= |work= }}</ref> Seasonal melt ponded and penetrating under glaciers shows seasonal acceleration and deceleration of ice flows affecting whole icesheets.<ref>[http://www.sciencemag.org/cgi/content/abstract/297/5579/218 Surface Melt-Induced Acceleration of Greenland Ice-Sheet Flow] Originally published in Science Express on 6 June 2002, Science 12 July 2002: Vol. 297. no. 5579, pp. 218 - 222.</ref> Accumulated changes by ponding on ice sheets appear in the earthquake record of Greenland and other glaciers<ref>[http://www.news.harvard.edu/gazette/2006/04.06/05-ekstrom.html Global warming yields 'glacial earthquakes' in polar areas]</ref>: "Quakes ranged from six to 15 per year from 1993 to 2002, then jumped to 20 in 2003, 23 in 2004, and 32 in the first 10 months of 2005."<ref>[http://environment.newscientist.com/article/dn8889.html Glacial earthquakes rock Greenland ice sheet] 12:36 24 March 2006, NewScientist.com news service</ref> Ponding in the extreme is lakes and lakes in association with glaciers are examined in the particular case of the [[Missoula Floods]]. |
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== See also == |
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* [[Moulin (geology)]] |
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* [[Glacier ice accumulation]] |
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* [[Polar ice packs]] |
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== References == |
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{{reflist}} |
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[[Category:Earth phenomena]] |
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[[Category:Sea ice]] |
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[[Category:Climatology]] |
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Latest revision as of 04:32, 13 October 2008
October 2008[edit]
Welcome to Wikipedia. Although everyone is welcome to contribute constructively to the encyclopedia, your addition of one or more external links to the page Goober (brand) has been reverted. Your edit here was reverted by an automated bot that attempts to remove unwanted links and spam from Wikipedia. The external link you added or changed is on my list of links to remove and probably shouldn't be included in Wikipedia. The external links I reverted were matching the following regex rule(s): rule: '[A-Za-z][0-9]+\.photobucket\.com\/albums\/.*\.[jpg|jpeg|gif|png|svg]' (link(s): http://s240.photobucket.com/albums/ff108/ottomandrummer/?action=view¤t=goober.jpg" http://i240.photobucket.com/albums/ff108/ottomandrummer/goober.jpg") . If the external link you inserted or changed was to a media file (e.g. an image or a sound or video file) on an external server, then note that linking to such files may be subject to Wikipedia's copyright policy and therefore probably should not be linked to. Please consider using our upload facility to upload a suitable media file.
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