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#GLOF

1 post1 participant0 posts today
Public
out of bounds, anywhere out

> Le risque de catastrophe glaciaire reste une menace peu visible au niveau international. La plupart des efforts mondiaux se concentrent sur la fonte de l'Arctique ou l'élévation du niveau de la mer, laissant de côté les #glaciers de montagne et les catastrophes qu'ils peuvent provoquer.

Au Pérou les #GLOF (Glacial Lake Outburst Floods) menacent des centaines de milliers de personnes

news.un.org/fr/story/2025/05/1

ONU Info · Au Pérou, la fonte des glaciers fait peser une menace croissanteLa fonte accélérée des glaciers dans les Andes péruviennes menace de provoquer des débordements de lagunes, des inondations et des avalanches qui pourraient toucher des centaines de milliers de personnes dans les zones de haute altitude et les vallées densément peuplées.
#ONU#climat#environnement
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𝐃𝐫. 𝕵𝖎𝖇𝖗𝖊𝖊𝖑L ₲Ⱬ₮ 🌍

#ClimateChange and anthropogenic nature destruction in the name of "development" continue to wreck havoc across the most vulnerable areas first.

And by that I mean mountainous communities in the vicinity of melting #Glaciers. If you live in the Alps or any area classed as a mountain range, I'd be packing up to move to flatter terrain outside flood zones at the foothills.

dawn.com/news/1905977/landslid

GILGIT: Landslides continued to affect many areas of Gilgit-Baltistan on Tuesday, even as the weather improved after four days of intermittent rain and snowfall. With climate change making weather patterns erratic, the mountainous region received heavy rainfall and snowfall during months when the weather is relatively better. On Tuesday, landslides occurred in Chichala village in Deral valley of Diamer, according to police. The falling rocks damaged a home, livestock shelters, trees and other properties. Landslides also damaged many connecting roads in the region. The Chipurson Road in upper Hunza was blocked due to landslides, cutting off locals’ access to other parts of the region. Police said the Karakoram Highway, Baltistan Road and other major roads have been opened for traffic on Tuesday after landslides blocked the roads. Internet and mobile services and electricity supply also remained suspended in many areas, particularly in Ghizer and Ghanche. Locals have urged the immediate restoration of electricity and communication services. In Astore, landslides damaged electricity transmission lines. Adqil Hussain Bagiri, a local resident told Dawn that residents in upper areas of Astore were facing difficultes after snowfall and rain. He said families in Daskhrim village were living under the open sky as several houses were partially damaged after snowfall and rain. Locals have urged the government to provide shelter and rehabilitation to the affected ‘people of Daskhrim.
Earlier on Monday, a foreign tourist was killed another injured as falling rocks during a landslide hit their vehicle in Ghanche. In Skardu, a mother and her two daughters were seriously injured when a landslide hit their home. Minister’s visit Federal Minister for Climate Change Senator Mosaddiq Malik and other offifieals of the Ministry of Climate Change visited Shigar with a UNDP delegation to review the newly installed early warning system. According to a statement, the minister reviewed losses caused to the local population due to the melting of glaciers and the bursting of glacial lakes. Baltistan Division Commissioner Kamal Khan, Shigar Deputy Commissioner Waliullah Falahi and Gilgit-Baltistan Disaster Management Authority Director General Zakir Hussain briefed the delegation on various projects. Published in Dawn, April 23rd, 2025
#Pakistan#SouthAsia#Gilgit
Public
Tino Eberl

Durch das #Schmelzen der #Gletscher entstehen weltweit neue Seen.

Eine Studie der Universität #Potsdam zeigt jedoch, dass sich vor allem kleinere #Gletscherseen entleeren und nicht zwangsläufig größere #Fluten drohen.

Besonders in den #Alpen, #Peru und #Norwegen wurden Seen künstlich stabilisiert, während in Regionen wie dem #Himalaya oder #Alaska das #Gefahrenpotenzial wächst.

doi.org/10.1038/s44221-025-003

#Klimawandel#Naturgefahren#Fernerkundung
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💧🌏 Greg Cocks

Study Warns Of Glacial Outburst [GLOF] Risks From Hydropower Projects In The Himalayas, Caution Comes After Nod To Resume Testa III [Hydroelectric Project, India]
--
timesofindia.indiatimes.com/in <-- shared media article
--
doi.org/10.1126/science.ads265 <-- shared paper
--
#GIS #spatial #mapping #spatialanalysis #GLOF #Sikkim #Himalayas #India #climatechange #flood #flooding #risk #hazard #hydroelectric #HEP #energy #TestaIII #testa #dam #failure #engineeringgeology #engineering #construction #multihazard #melting #glacier #glacial #climatechange #weather #lowpressuresystem #planning #glaciallakes #lakes #water #hydrology #naturaldisaster #Lhonak #downstream #elevation #steepness #slope #geometry #infrastructure #publicsafety #lateral #moraine #sedimentation #cost #economics #remotesensing #model #modeling #imagery #outburstflood #overtopping #hydropower #vulnerable #humanimpact #policy #riskmanagement #warning #rainfall #precipitation

maps and charts - summary of damage assessment
maps and photos - Overview of the 3-4 October 2023 GLOF cascade from South Lhonak Lake, India
photos - Field evidence of sediment aggradation
photo - Teesta III hydroelectric dam soon after failure
Public
O=C=O

‘Catastrophic’ 2023 lake outburst in India driven by glacial melt and permafrost thaw

#ClimateChange played a key role in the “catastrophic” 2023 floods in the Himalayan state of Sikkim in #India, a new study says.
The breach of one of the “largest, fastest-growing and most hazardous” glacial lakes in Sikkim, the South #Lhonak lake, led to cascading floods that killed 55 people and washed away a 1,200 megawatt (MW) #hydropower dam.
The event was identified as a glacial lake outburst flood (#GLOF), which is a sudden release of water from a lake fed by glacial melt.
#Sikkim is a small Himalayan state in north-east India, bordering #China in the north, #Bhutan in the east, #Nepal in the west and the state of West #Bengal in the south.
Part of the eastern #Himalaya, Sikkim is host to more than 90 #glaciers and #Kanchenjunga, the world’s third-highest peak. Sikkim serves as the origin and upper river basin for the #Teesta river, one of the largest tributaries of the #Brahmaputra river system.

carbonbrief.org/catastrophic-2

An overview of the glacial lake flood cascade over 3-4 October, with (A) depicting the flood-impacted stretch of the Teesta river, landslides, hydropower plants and major settlements, (B) illustrating the moraine collapse and breach and (C) comparing pre- and post-GLOF satellite imagery of the lake. Source: Sattar et al. (2025)
#Cryosphere
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💧🌏 Greg Cocks

Glacial Lake Floods - A Growing, Unpredictable Climate Risk
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phys.org/news/2023-10-glacial- <-- shared technical article
--
doi.org/10.1038/s41467-023-360 <-- shared paper
--
nature.com/articles/s43017-024 <-- shared paper
--
#GIS #spatial #mapping #spatialanalysis #climatechange #spatiotemporal #glaciallakeoutburstflood #GLOF #risk #hazard #water #hydrology #flood #flooding #risk #hazard #mitigation #publicsafety #global #river #melting #dam #ice #naturaldisaster #naturalhazard #breach #highmountain #Asia #Pakistan #China #Nepal #population #vulnerability #glacier #glacial #loss #infrastructure #loss #cost #death #injury #model #modeling #Alaska #Asia #NewZealand #Iceland #model #modeling

schematic - Methodology for quantifying glacial lake changes and impacts
graphics - Future formation and growth of glacial lakes and GLOF hazard
graphics and photos - The triggers and mechanisms of GLOFs
maps and charts - Global and regional changes in glacial lake area
Continued thread
Public
𝐃𝐫. 𝕵𝖎𝖇𝖗𝖊𝖊𝖑L ₲Ⱬ₮ 🌍

I often remark to friends about #Pakistan 's mountainous north being unsuitable for life now thanks to #ClimateChange induced melting, flooding, and landslides.

The #Karakorum #Highway the world's highest such motorway connecting Pak to #China should be thought of a "seasonal" road now, gets washed away on an annual basis, sometimes more frequently.

We cannot afford to rebuild every year!

dawn.com/news/1853216/karakora

DAWN.COM · Karakoram Highway blocked as floods ravage GBBy Jamil Nagri
#ClimateCrisis#ClimateDiary#Heatwave
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💧🌏 Greg Cocks

‘Unprecedented’ Flooding Hits Juneau, Alaska, After Glacier Outburst
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cnn.com/2024/08/07/climate/ala <-- shared media article
--
“A rush of water unleashed by an ailing glacier swelled an Alaska river to record levels Tuesday and caused destructive flooding in Juneau nearly a year to the date of a similar significant event.
More than 100 homes have been damaged or impacted by the so-called glacial lake outburst flooding along the Mendenhall River in the Mendenhall Valley, according to city officials, who characterized the flood severity as “unprecedented.”
Glacial lake outbursts happen when a lake of melting snow and ice and rain “drains rapidly…”
#water #glacier #risk #hazard #flood #flooding #hydrology #climatechange #Alaska #Juneau #Alaska #USA #melt #meltwater #glacieroutburst #naturalhazard #infrastructure #management #glaciallake #MendenhallRiver #MendenhallGlacier #suicidebasin #damage #urbanplanning #warming #SuicideGlacier #GLOF

drone photo - aerial - oblique - High water around homes and neighborhoods following an outburst of flooding from a lake dammed by the Mendenhall Glacier on Tuesday August 6th 2024 in Juneau, Alaska.
historic (1893) and modern (2018) photos of Mendenhall Glacier and Suicide Glacier retreat comparisons
photo - water in a neighborhood in Juneau, Alaska, Tuesday, Aug. 6, 2024, following an outburst of flooding from a lake dammed by the Mendenhall Glacier.
GIF
Continued thread
Public
𝐃𝐫. 𝕵𝖎𝖇𝖗𝖊𝖊𝖑L ₲Ⱬ₮ 🌍

Further north, in #Pakistan 's mountainous province of #GilgitBaltistan, a #heatwave the past week has cause #FlashFlood and #GLOF or a Glacial Lake Outburst Flow, a wall of water that floods down mountains once it's ice wall melts and breaks like a dam.

GLOFs have become "common" in Northern Pakistan in the past decade, washing away infrastructure, towns and farms almost annually.

dawn.com/news/1849999/gb-river

DAWN.COM · GB rivers flood as heatwave melts glaciersBy Jamil Nagri
#ClimateCrisis#ClimateChange#ClimateDiary
Continued thread
Public
𝐃𝐫. 𝕵𝖎𝖇𝖗𝖊𝖊𝖑L ₲Ⱬ₮ 🌍

As stated above, #SouthAsia has been facing multiple ongoing #Heatwaves

#Pakistan 's #ClimateChange ministry just warned about them in detail, with respect to the country.

At least three heatwaves, and risks of melting glaciers causing #GLOF (Glacial Lake Outburst Flood) and of #ForestFires

This is from just ONE country in South Asia and SEA, home to 230 million souls.

dawn.com/news/1835326/climate-

DAWN.COM · Climate change ministry warns of more heatwaves in JuneBy Jamal Shahid
#ClimateCrisis#ClimateEmergency#Paktodon
Public
Tino Eberl

🌊Der #Klimawandel erhöht das #Risiko von Seetsunamis. Durch den #Temperaturanstieg schmelzen #Gletscher, was die Stabilität von #Bergwänden schwächt und zu #Erdrutschen führt. 🏔️ Diese können in Seen große Wellen auslösen. Forscher warnen vor der wachsenden Gefahr in Regionen wie #Alaska, wo solche Ereignisse zunehmend auftreten.

(nicht zu verwechseln mit #GLOF)

#Klimawandel #Seetsunami #Umweltschutz

phys.org/news/2024-05-lake-tsu

Phys.org · Lake tsunamis pose significant threat under warming climateBy Science X
Public
💧🌏 Greg Cocks

Satellite Imagery Covering Catchments Of Indian Himalayan River Basins Show Significant Changes In Glacial Lakes
--
thehindu.com/sci-tech/energy-a <-- shared media article
--
isro.gov.in/Satellite_Insights <-- shared technical article
--
#GIS #spatial #mapping #water #hydrology #India #Himalayas #remotesensing #earthobservation #ISRO #glacial #lakes #melting #glacialakes #satellite #imagery #climatechange #inventory #change #spatialanalysis #spatiotemporal #glacier #elevation #mountains #moraine #erosion #changeanalysis #environmentalimpacts #glof #flooding #risk #hazard #GlacialLakeOutburstFloods
@ISRO

photo - glacier feeding Ghepang Ghat Glacial Lake
map - glacial lakes and IHR basins, India Himalayas
photo - glacial lake in mountainous terrain in Indian Himalayan region
satellite images - The long-term changes in the Ghepang Ghat Glacial Lake area
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