Image of the Day Considerable accumulation of the debris flow as a cause of flood would be visualized with ease. Phys.org (formerly Physorg.com) is a leading web-based science, research and technology news service which covers a full range of topics. Earth Institute at Columbia University. The ongoing unprecedented heat wave melted ice on Shisper Glacier, creating a lake which flooded, wiping out the bridge and damaging nearby homes, buildings, and two power plants. I would like to subscribe to Science X Newsletter. World Environment Day 2022 47 Environmental Facts. There seems to be a very high risk for the downstream valley people once the gigantic glacial lake outburst flood occurs. ISLAMABAD: A massive glacial lake outburst flood (GLOF) occurred in Hunza district's Hassanabad village Saturday, sweeping away the Hassanabad bridge on the Karakoram Highway. And so that affects everything from water resources to hazards across the Himalayan range.". By about . Roughly 4000 square meters of the cultivated land situated in the orographic right side was too eroded. Lake Iroquois formed in the basin of today's Lake Ontario; it was bounded by ice to the northeast and drained through New York state's Mohawk River. Hassanabad Bridge on KKH collapses due to Shishper glacial lake outburst flood in #Hunza #ClimateEmergency #ClimateActionNow #ClimateCrisis #GlobalWarming pic.twitter.com/ANmp1neNZe. Connection Between World Wars (I and II) and the Environmental Issues? Over 150 people were recorded missing and took the lives of over 200 people. The damaged Dhauliganga hydro power project in Chamoli district, Uttarakhand, India, is shown on Feb. 9, 2021. The glaciers also feed the hydro plants and they will stop providing meltwater as they shrink, Shaefer said. Between 1990 and 2015, the number of proglacial lakes increased by 227; the number of supraglacial lakes rose by 144. Floodwaters obliterated a dam before crashing into hydroelectric power plants . The warming also poses a risk for classic trade routes, such as on the south side of Mount Everest. Between 1990 and 2015, Landsat satellites have documented a significant increase in both the number and average size of glacial lakes throughout the range. The rescue teams discovered that many laborers working in the tunnel (road construction activities) would have been trapped there for several hours or even days. The scorching heat of summer arrived sooner than expected this year in South Asia. Glacial lake outburst floods (GLOFs) are floods that occur from an unstable natural dam formed from a glacial retreat. It had affected almost 10 kilometers of downstream valleys, and four people lost their lives. Huge chunks of ice (sometimes measuring more than 100 meters / 300 ft. in he. Glacier melting seems the great cause to occur, this event stressed by several researchers. A meteoric rise in temperatures accelerates glacial melting and flooding, impacting the most vulnerable, underserved, and inaccessible communities in the country. The ongoing unprecedented heat wave melted ice on Shisper Glacier, creating a lake which flooded, wiping out the bridge and damaging nearby homes, buildings, and two power plants. These lakesmany of them in the central Himalayas near Kathmandu, Nepal, and in the eastern Himalayas near Thimphu, Bhutangrew by more than 1 percent each year. As seen in the false-color Landsat images above, Cirenmacos size more than doubled between 1988 and 2015. About 15,000 years ago, in the waning millennia of the Ice Age, a vast lake known as Glacial Lake Missoula suddenly burst through the ice dam that plugged it at one end. Most surprisingly, there was an erratic flood channel, and when the flood reached downstream, the flood channel became more uniform. NASA Earth Observatory images by Jesse Allen, using Landsat data from the U.S. Geological Survey. Water, Image of the Day For now, the immediate threat of such an incident, with future incidents expected, calls into concern the lack of early warning signals and disaster preparedness services in the Hunza Valley, which is prone to glacier lake outburst flood disasters. ; They tend to be rapid events, lasting hours to days. There is concern that there wasn't adequate monitoring or early warning systems in the valley, especially with multiple hydropower plant projects that were all damaged, Rupper said. The collapse of the bridge shows that the warming produced by climate change is reaching even the highest mountains of the world. In turn, the moraine dam failed, and there occurred the increment in the lake depth causing the Lugge Tsho Outburst Flood. The south Asian monsoon-associated torrential rainfall was estimated to trigger such a devastating event in Tibet of China. He explained that the construction of the Hassanabad bridge did not cause the disaster, but rather that the position of the bridge exposed it to glacier lake outburst floods. Despite an elevation at 5400 m, the Gya lake almost covers the ice even during summer. The glacier lake flooding severely impacted the Karakoram highway in the upper Hunza valley of northern Pakistan on a massive scale. Photo: Hashoo Foundation/Flickr. The 148 pieces timbers piled up along the riverbed were washed up. The water that was impounded behind the dam filled the tributary valleys for many miles to the east. Additionally, the outburst flood caused direct damage to the two hydropower projects known as the Rishi Ganga Hydel Projects and NTPCSs Tapovan-Vishnugad Hydel projects. The ongoing unprecedented heat wave melted ice on Shisper Glacier, creating a lake which flooded, wiping out the bridge and damaging nearby homes, buildings, and two power plants. The rapid water inflow caused Nare lake to destroy its end-moraine dam and discharge in the Imja river. In the map above, regions where lakes expanded the most (20 percent or more) are shown with dark blue; regions where lakes grew only slightly (10 percent or less) are light blue. However, while local authorities were quick to act, swift restoration was promised, and local and international media extensively covered this incident, the provincial issues of Gilgit-Baltistan have been overlooked by mainstream politicians for decades. High mountains are most vulnerable to climate change, glacier melt being a significant concern. This outbreak generates outbursts or better known as flash floods in that area. The glacier also forms the Ambulapcha Tsho Glacial Lake. A glacial lake is a body of water with origins from glacier activity. 10 Largest Glacial Lake Outburst Floods (GLOFs) Worldwide, 3. May 9, 2022, 7:50 AM. It may be due to the climate change-induced effects in the glacier lake. "Certainly, there are routes on specific mountains that will be altered as glaciers start to become less predictable.". Muhammad indicated that similar incidents are expected in the next couple of months, especially if Pakistan receives anomalous monsoon precipitation. It will be difficult for guided companies to ensure people will be able to climb safely, Richards said. On September 3, 1977, a massive, devastating catastrophe led by the Glacial Lake Outburst flood in Dudh Koshi of Nepal. Landslides, avalanches, earthquakes, and volcanic eruptions often trigger GLOFs. The researchers associate this event with the anthropogenic-induced climate change effects. A few days ago @ClimateChangePK had warned that Pakistan . For example, an article titled 'Glacial Lake Outburst Flood Disasters and Integrated Risk Management in China' that was published in the International Journal of Disaster Risk Science, says that . During the May and June of 2008, the three glacial lake outbursts occurred, signifying a giant disaster in Pakistan history. Once it hits the downstream valley at both spatial and temporal scales, it holds for the massive destruction of various sectors. Although major outbursts in the Shisper Lake are not uncommon, this outburst caused exceptional damage. Rescue mission after glacier bursts India dam. The rising water behind the glacial dam weakened it until water burst through in a catastrophic flood that raced across Idaho, Oregon, and Washington toward the Pacific Ocean. Several fish species could not survive during a flood due to the muddy water, and they became graveyards within the flooded water. Flight Center, Carrivick, J. It had caused several damages to the land and the infrastructures of the Ghulkin village. Traceable erosion of the terminus along with piping erosion of the supraglacial lake led to the rapid collapse of both sides of the glacier. 2022-07-07. A flooding from the nearby #Shisper glacier is battering the village, as locals watch helplessly. Note: A type of the outburst flood which occurs when the dam comprising a glacial lake gets fail. Identify the news topics you want to see and prioritize an order. "So what that means for us as an industry is yet to be seen," he said. Nonetheless, the timing of the incident was surprising. Soon afterward, as shown in Fig. The impact of climate change on glacial melting and natural disasters is not a new phenomenon. As the region continues to warm, it is urgent that scientists continue to monitor the most rapidly expanding glacial lakes with satellites because many are remote and very difficult to access, said Yong Nie, lead author of the study. Rates of warming vary by region, but match the increases in total lake area. The researchers observed changes to lakes at both the terminus of glaciers (proglacial lakes) and on top of them (supraglacial lakes). Schaefer hypothesized that some kind of mechanism triggered a landslide and that the resulting water pressure eventually burst the dam, causing the mass to plunge down the "extremely steep" flank. The glacier continued to recede. This event is the latest in a series of destructive events, known as glacier lake outburst floods, in this region. Days after a glacier collapse in the Italian Alps, search and rescue teams are still finding victims. About 81 percent of the expansion in lake area was caused by changes to proglacial lakes. 5 for the dates "2008.10.03" and "2010.10.09," a large amount of glacier ice in the middle part also collapsed quickly due to the loss of lateral protection. Unfortunately, the glacial lake triggered flash flood-impacted. Huge sheets of ice carved out the U-shaped valleys that hold New Yorks Finger Lakes. However, we do not guarantee individual replies due to the high volume of messages. A bridge in northern Pakistan collapsed on Saturday after a glacial lake outburst caused by a recent heat wave released huge amounts of water into the stream and . Local communities and livelihoods continue to be affected, illustrating the lack of political action to prevent similar catastrophes. Glacier-dammed lake 3 Outburst Flood in Switzerland, 5. (The . When the ice dam broke a cataclysmic flood scoured much of central Washington State . Please, allow us to send you push notifications with new Alerts. In contrast, rapid warming in the central Himalayasas well as more soot being deposited on icemay explain the rapid retreat of glaciers there. It almost has. The flood in 1981 was particularly destructive, killing hundreds of people, knocking out a power plant, and destroying bridges and roads. The government recently approved the Upper Arun hydropower project, which was too threatened by a rockfall-induced Glacial Lake Outburst Flood in the upper Barun Valley of Nepal. 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