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(yŭ′kəl-hloup′, -hlōp′, -hlo͞op′, yō′-; yœ′kül-hlœp′)
n. pl. jö·kul·hlaups
The sudden, catastrophic release of meltwater from beneath or behind a glacier.

[Icelandic : jökull, glacier (from Old Norse jǫkull, icicle, ice; akin to Old English gicel, icicle) + hlaup, run, sudden rise of a river, flood (from Old Norse, leap, from hlaupa, to leap; akin to Old English hlēapan).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The rising temperatures also give rise to fears of resultant disasters such as glacial lake outburst floods (GLOF) as was most recently seen in Chitral which damaged several houses and washed away several bridges.
Thakural, "Glacial lakes and glacial lake outburst flood in a Himalayan basin using remote sensing and GIS," Natural Hazards, vol.
A glacial lake outburst flood, or GLOF, occurs when a dam, either natural or manmade, containing a glacial lake fails as a result of erosion, a massive snow avalanche or other causes.
The glacial lake outburst flood (GLOF) occurred after the Jam Ashpar glacier's banks - a favourite destination of the tourists to Chitral - gave way.
Gilgit -- A delegation comprising of UNDP and government of Pakistan (GoP) officials visited Passu village in Gojal Valley of Hunza to conduct Glacial Lake Outburst Flood (GLOF) risk assessment on Friday.
Ministry of Climate Change fails to scale up GLOF-I due to inter-departmental issuesISLAMABAD:The Ministry of Climate Change (MoCC) has failed to start work on the Glacial Lake Outburst Flood (GLOF) project due to inter-departmental issues as funding for the country's community-based disaster risk management may cease due to these such meagre problems.Sources told that Green Climate Fund (GCF), a global funding organisation, had approved $37 million funding for the GLOF project despite the Indian opposition and a sum of $10 million was released in October last year however, owing to communication issues between the federal departments, the ministry did not start the project.
Hydro meteorological hazards like flood, flash flood, snow avalanches and glacial lake outburst flood (GLOF) which caused loss of lives, damages to the properties and infrastructure yearly in northern area of Pakistan especially in the region of Hunza river basin particularly in shimshal valley.
Whatever the cause, the fast-retreating glaciers and the rising water levels in the glacial lakes pose a Glacial Lake Outburst Flood (GLOF) threat to lives and property downstream.
CHITRAL -- The glacial lake outburst flood (Glof), which struck the Golen valley on the evening of July 7, has damaged the headworks of the 108MW Golen hydropower station, leading to its shutdown, thus exposing the technical fault and lack of proper planning by Wapda.
The glacial lake outburst flood (GLOF) occurred after the Jam Ashpar glacier - a popular tourist destination in Chitral - exploded overnight.
ISLAMABAD -- A glacial lake outburst flood has hit several villages in Golen Gol area of Chitral.