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Updated: July 17, 2011 02:19 IST

Mountaineers see dramatic climate change in the Himalayan region

Meena Menon
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CLIMBING SKILLS: Apa Sherpa, world record holder for climbing Mount Everest 21 times, at the inauguration of an artificial climbing wall on the eve of the 10th Girimitra Sammelan (mountaineer’s meet) in Mumbai on Saturday.
PTI
CLIMBING SKILLS: Apa Sherpa, world record holder for climbing Mount Everest 21 times, at the inauguration of an artificial climbing wall on the eve of the 10th Girimitra Sammelan (mountaineer’s meet) in Mumbai on Saturday.

Challenges include retreating glaciers, formation of huge glacial lakes, less snow, more rock

It was in 1985 that Apa Sherpa, who scaled Mount Everest for the 21st time in May 2011, came face to face with climate change. His entire village Thame was washed away in a massive glacial lake outburst flood (GLOF) of the Dig Tsho (Tsho-lake), in the western section of the Sagarmatha (Mt. Everest) National Park, Khumbu Himal, on August 4, 1985.

The veteran mountaineer, who dropped out of school at 12 to work as a porter for expeditions to support his family, told The Hindu that the lake burst at 2 a.m. and he had a narrow escape. Now his worry is another glacial lake in the Everest region, Imja, which is growing bigger. “Imja Khola is a threat to the entire region and I can't say if it is as safe as is made out to be. We have to do something before it bursts.” Imja, located in the Khumbu region close to the Everest base camp, did not exist in photographs taken in the 1950s, but now has rapidly expanded to 1.012 sq km.

Girimitra Sammelan

Apa Sherpa is in Mumbai for the 10th Girimitra Sammelan, an annual gathering of mountaineers including Mark Inglis, first double amputee to have climbed Everest.

Now 51, Apa Sherpa said his 21st climb to the world's highest mountain would be his last. The first 16 climbs were to support his family, and in the other expeditions he was a climber himself, he says. The education of his three children is paramount. “My family wants me to spend time with them.” He lives in Salt Lake City, Utah, and teaches climbing skills there though the mountains are like “buns,” he grins. However, his association with Mt. Everest would continue along with Dawa Steven Sherpa, who has been part of the Eco Everest Expedition since 2008 to clean up the mountain. They have recovered five dead bodies and 30,000 kg of waste. He is also planning a clean-up expedition along the entire Himalayan Range in Nepal. Climate change has been most visible to climbers like Apa Sherpa who have noticed big changes since 2008. “Now the snow has reduced and it has become very dangerous especially on the Hilary Step, before the Everest summit. When you wear crampons for the snow and suddenly encounter rock, it gets very slippery,” he says. The rocky patch is increasing over the years. However, his experience saw him through these unexpected challenges.

Since 2007 the ice pinnacles in the Everest area have reduced in height and at the advanced base camp, there has been flowing water in the climbing season, a clear indication that ice is melting. “You no longer have to melt ice to drink water,” says Dawa Steven Sherpa. He too noted that the Imja lake was growing bigger. It is upstream of the Everest Base Camp and above major village settlements. “Imja and its potential threat are in the forefront of everyone's mind since the devastation could be huge,” he fears.

Unpredictable weather is making climbing risky but that did not seem to stop 506 climbers, including 219 sherpas, getting to the top of Mt. Everest in 2011. “Rockfall is increasing and I have seen it break a leg. Ice avalanches are also dangerous.”

However, we are getting good at judging the mountain and we know it so well now which is why there are fewer deaths,” says Dawa Steven Sherpa.

Motup Chewang of Rimo Expeditions said major changes had swept the Karakoram Range as well in the last 20-30 years. The glaciers were retreating much faster and huge glacial lakes were forming there. Central east Bhutan also had a large glacial lake and it could be seen from satellites. Even near the Everest base camp some large cornices were disappearing. The Khumbu glacier had retreated by at least a couple of km.

In terms of weather too, patterns have changed, he says. Passes in the Himalaya in the Baspa Sangla area and in Nepal are riskier with snowfall and rockfalls. In Siachen, it took 30 minutes to get to the glacier in 1986 but in 2004 the snowline went up higher and now it was a distance of three to four km.

Many a broken trail

For climbers, the window or clear period for climbing is coming down, especially on Mt. Everest and even trails in many places are broken. However, satellite communication has advanced and it is possible to get hourly updates on weather, says Chewang.

Divyesh Muni, who has been climbing the mountain for over two decades, has noticed dramatic changes in terrain in the entire Himalayan region and the eastern Karakoram area since 2005. “In one of my expeditions in 2007 to Chong Kumdan, we had a tough time reaching the base camp. The glacier was deeply crevassed and the route had to be changed. It was a sorry state of affairs. In Saser La, a trade route famous for snow, there was none in 2007 making it a simple crossing.”

Uncertainty

There are few places mountaineer Harish Kapadia has not gone to and he has been observing changes in the Garhwal and Kumaon regions. “The last five years have been marked by receding glaciers and even walking is difficult. The uncertainty for climbers and trekkers is increasing in the Himalayan region.”

Mr. Kapadia was stranded in 2009 in Arunachal Pradesh near the Tibetan border in late October, said to be the best season for the area. Heavy snow covered the forest, there was no food for days and porters deserted the climbers as well. Finally they were evacuated by an Army helicopter.

RELATED NEWS

Growing danger zones in the HimalayasOctober 12, 2011

The real uncertainty about man-made climate change is not whether its happening but how fast its happening and that in fact there is increasing evidence that the mainstream science of the IPCC is actually underestimating the scale and imminence of the threat.

from:  Victor
Posted on: Jul 19, 2011 at 01:24 IST

Do nothing about buring fossil fuels and cummulating greenhouse gases in atmosphere, and physics will determine the outcome just as surely as wishing that stepping off a cliff wouldn't end in your own demise. Yes, nature or the natural laws will help eliminate the ignorant. It is instead more important to work to solve the problem than ignoring the reality of it.

from:  R Michael
Posted on: Jul 18, 2011 at 08:04 IST

Climate change is becoming obvious and yet mankind continues on it's destructive agenda.Where all this will lead to is anybody's
guess.

from:  S N IYER
Posted on: Jul 17, 2011 at 08:53 IST

There are around 60000 glaciers in the world as we see it today. About less than 3 - 4% is receeding while some are actually increasing. There has been an ice age once every 20000 years as per geological history. Let's remember the UN report was later reported as misrepresented. What in lay man's terms means they lied. Climate change is there. Man is so arrogant that he thinks he can cause it. Forget it! Nature is too powerful; Earth is constantly changing; new shore lines are created ; land gets submerged ; it is a continuous and an evolving process. Nautilus ( a type of crutacean) of pre-gone era was found n areas near Trichy - these creatures existed only in the sea; Spiti valley is treasure of sea living creatures. There was no such thing as India in the pre-historical days - It was Gondwana Land which got broken up into Africa, Australia land mass. It is still moving on the earth's core. Worry ! but dont try and create a panic.

from:  R G Krishnan
Posted on: Jul 17, 2011 at 07:51 IST

River flows downstream must be measured and co-related to establish this observation. Glacial melting should also be checked if increased evaporation is causing loss of snow cover in observed peaks/ hill slopes. Pan evaporo -meters provide confirmatory indicators.

from:  L.V.Kumar
Posted on: Jul 17, 2011 at 02:18 IST
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