ga('require', 'displayfeatures'); With the population of 4,670 as of 2020, it is the third-largest city in Greenland, after Nuuk and Sisimiut. Evidence also exists for a deep subglacial trench beneath the glacial outlet, identified through seismic reflection methods. Jakobshavn Glacier Danish: Jakobshavn Isbræ, also known as Ilulissat Glacier Greenlandic: Sermeq Kujalleq is a large outlet glacier in West Greenland. {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, The giant glacier Jakobshavn Isbrae, for instance, accelerated from 9.4 kilometers per year in 2000 to 12.6 kilometers per year in 2003. Jakobshavn's growth did not come as a surprise to scientists. It is sometimes referred to in the international scientific literature (by glaciologists) as Jakobshavn Isbræ glacier. 'max': 3, { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, } In 2010, the glacier moved at 15 kilometers per year, shedding ice into the Arctic Ocean as it surged from land to sea. syncDelay: 3000 Jakobshavn has the highest mass flux of any glacier draining the Greenland Ice Sheet. Movement reached more than 17,000 metres per year. In the 2010 image, the same area is mélange—broken glacier … 'min': 3.05, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, const customGranularity = { name: "pubCommonId", }; Jakobshavn Isbræ (Jakobshavn Glacier) is moving ice from the Greenland ice sheet into the ocean at a speed that appears to be the fastest ever recorded. Click on the arrows to change the translation direction. The yellow line in the 2001 image shows the part of the glacier that retreated by early July 2010. },{ 'min': 31, googletag.pubads().enableSingleRequest(); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, googletag.pubads().setTargeting("cdo_l", "en"); { bidder: 'sovrn', params: { tagid: '387233' }}, { bidder: 'appnexus', params: { placementId: '11654208' }}, Pronunciation of రౌల్ with 1 audio pronunciation and more for రౌల్. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, For example, in West Antarctica the maximum ice thickness is 4.36 kilometers (2.71 miles) causing the land surface to become depressed 2.54 kilometers (1.58 miles) below sea level! Continental glaciers (ice sheets, ice caps) are massive sheets of glacial ice that cover landmasses. A moulin is the conduit for the additional meltwater to reach the glacier base. New NASA data shows that Jakobshavn Glacier — Greenland's fastest-moving and fastest-thinning glacier for most of the 2000s — grew for a third year in a row. … }, tcData.listenerId); { bidder: 'ix', params: { siteId: '195467', size: [300, 250] }}, }; initAdSlotRefresher(); Learn more. Results of comparative analysis of elevation changes and roughness changes of Jakobshavn south ice stream indicate (1) surface lowering of 10–15 m a-1 between 2004 and 2009 and (2) no change in surface roughness and dynamic types. 1) is Greenland's largest and fastest outlet glacier, with transient speeds of up to 17 km a −1 (Joughin et al., 2014). { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, Listen to the audio pronunciation in English. Record yourself saying 'jakobshavn' in full sentences, then watch yourself and listen. {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, var googletag = googletag || {}; [23], The first mechanism for explaining the change in velocity is the "Zwally effect" and is not the main mechanism, this relies on meltwater reaching the glacier base and reducing the friction through a higher basal water pressure. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, pbjs.que = pbjs.que || []; Listen to the audio pronunciation of Jakobshavn Glacier on pronouncekiwi. googletag.cmd = googletag.cmd || []; Zwally and Steffen: The Jakobshavn glacier flows through a deep channel eroded in the bedrock. Jakobshavn Isbræ, also known as the Jakobshavn Glacier and Sermeq Kujalleq (in Greenlandic) is a large outlet glacier in West Greenland.It is located near the Greenlandic town of Ilulissat and ends at the sea in the Ilulissat Icefjord.Jakobshavn Isbræ drains 6.5% of the Greenland ice sheet and produces around 10% of all Greenland icebergs. Cambridge Advanced Learner's Dictionary & Thesaurus. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, Jakobshavn Isbræ (Fig. A recent study team from NASA's Jet Propulsion Laboratory in Pasadena, California, determined that water transported to the area around the glacier by a key ocean current has been colder than it was prior to 2016, when the growth began. Researchers from the University of Washington and the German Space Agency (DLR) measured the dramatic speeds of the fast-flowing glacier in 2012 and 2013. (English pronunciations of glacier from the Cambridge Advanced Learner's Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press), the activity of going down a very steep slope while holding on to a rope that is fastened to the top of the slope, I can’t hear myself think: more interesting ways of saying ‘noisy’, Clear explanations of natural written and spoken English. { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, Jakobshavn Glacier Danish: Jakobshavn Isbræ, also known as Ilulissat Glacier Greenlandic: Sermeq Kujalleq is a large outlet glacier in West Greenland. Jakobshavn's growth did not come as a surprise to scientists. } var mapping_rightslot = googletag.sizeMapping().addSize([746, 0], [[300, 250]]).addSize([0, 0], []).build(); expires: 365 "Reverse glacier motion during iceberg calving and the cause of glacial earthquakes", "Shock News – Massive Calving of Jakobshavn Isbræ", "One of the world's fastest melting glaciers may have just lost its biggest chunk of ice on record", "Surface Melt-Induced Acceleration of Greenland Ice-Sheet Flow", "Moulins, Calving Fronts and Greenland Outlet Glacier Acceleration", "Acceleration of Jakobshavn Isbrae triggered by warm ocean waters", "Seismic-reflection evidence for a deep subglacial trough", "Subglacial topography and geothermal heat flux: Potential interactions with drainage of the Greenland ice sheet", "Chasing Ice movie reveals largest iceberg break-up ever filmed", Researchers Witness Overnight Breakup, Retreat of Greenland Glacier, Cold Water Currently Slowing Fastest Greenland Glacier, https://en.wikipedia.org/w/index.php?title=Jakobshavn_Glacier&oldid=988654966, Articles with dead external links from December 2017, Articles with permanently dead external links, Articles containing Greenlandic-language text, Articles with unsourced statements from August 2012, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 November 2020, at 13:40. } I believe the Jakobshavn Isbræ article should be moved to Sermeq Kujalleq.The latter is the Greenlandic name for the glacier, the former is the Danish name for said glacier. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, In this case an imbalance of forces at the calving front propagates up-glacier. Two EIS videographers waited several weeks in a small tent overlooking the glacier, and were finally able to witness 7.4 cubic kilometres (1.8 cu mi) of ice crashing off the glacier. Six years ago, the Jakobshavn glacier was retreating about 1.8 miles and thinning nearly 130 feet annually but it started growing again at about the … iasLog("exclusion label : resp"); iasLog("__tcfapi useractioncomplete or tcloaded ", tcData, success); window.__tcfapi('addEventListener', 2, function(tcData, success) { [6] Visitors to your site will appreciate you offering them help with planning their vacation. "loggedIn": false { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, 1) in west Greenland, has been losing mass more rapidly than other Greenland outlet glaciers in recent years (Howat et al. [15] After 1997 the glacier began to accelerate and thin rapidly, reaching an average velocity of 34 metres (112 ft) per day in the terminus region. }], pbjs.setConfig(pbjsCfg); Jakobshavn is Greenland’s fastest-moving glacier, and the flow rate is variable with spurts of speed in the summer and additional variation from year to year. storage: { Especially large calving events at Jakobshavn have produced glacial earthquakes that are detectable on seismographs worldwide with moment magnitudes in excess of 5.0. 1) is Greenland's largest and fastest outlet glacier, with transient speeds of up to 17 km a −1 (Joughin et al., 2014). … Listen to the audio pronunciation in English. It was the longest calving ever captured on film. ga('send', 'pageview'); Add ${headword} to one of your lists below, or create a new one. { bidder: 'sovrn', params: { tagid: '346698' }}, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, Depuis la fin du XIX e siècle, le glacier Jakobshavn aurait ainsi perdu pas moins de 1,5 million de millions de tonnes de glace. A recent study team from NASA's Jet Propulsion Laboratory in Pasadena, California, determined that water transported to the area around the glacier by a key ocean current has been colder than it was prior to 2016, when the growth began. Helping build the largest language Community on the internet your hotel for a whiskey before dinner sometimes to... Increase in velocity ever captured on film home to almost as many sled-dogs as people glacier [ en ] updated. Conduit for the additional meltwater to reach the glacier that dumps more ice in the Northern.... 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