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Earth

Mount Everest Is Growing Even Taller (msn.com) 32

The world's tallest mountain is getting taller. Mount Everest, also known as Chomolungma, has grown about 15 to 50 meters (50 to 164 feet) higher over the past 89,000 years than expected, according to a modeling study released Monday. From a report: The culprit is a nearby river eroding and pushing down land, causing the ground under Mount Everest to rebound and lift. "It's a new additional component of uplift of Mount Everest," said Matthew Fox, study co-author and geologist at University College London. He expects this spurt of Everest and its surrounding peaks to continue for millions of years. He added "the biggest impact is probably on the climbers that have to climb another 20 meters or so to the top." The additional height may also lead to the growth of more ice at the higher elevations.

Mount Everest, part of the Himalayan mountain range, towers along the Nepal-Tibet border at around 8,850 meters (29,000 feet) high. Not only is it the tallest worldwide, it leaves its surrounding peaks in the dust -- rising around 250 meters above the next tallest mountain in the Himalayas, the 8,611-meter (28,251-foot) K2 mountain. But what could cause Everest's anomalous height compared to its neighbors? These extra meters on Mount Everest can be chalked up to a relatively rare "river capture event" from 89,000 years ago, according to the authors' computer models. During such an event, one river changes it course, interacts with another and steals its water, Fox said. In this case, the team said the Arun river network -- about 75 kilometers east of Mount Everest -- stole water from a river flowing north of Everest. Fox said the capture could have been initiated by a dramatic flood, which rerouted the water to a new drainage network. Today, the Arun River is a main tributary to the Kosi River to the south.

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Mount Everest Is Growing Even Taller

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  • by Errol backfiring ( 1280012 ) on Tuesday October 01, 2024 @11:09AM (#64831275) Journal

    ... has grown about 15 to 50 meters (50 to 164 feet) higher over the past 89,000 years than expected,

    Did we expect anything then? I was not aware that we have writings from that period.

    • They certainly didn't have meters back then.

      Also height is relative, I am sure the average sea level has changed a lot in that time.

      • by Tablizer ( 95088 )

        > They certainly didn't have meters back then.

        No, Metersaurus Rex used to swallow Imperial Rodents whole.

      • There must be some geodetic "standard sea level" that is actually defined relative to the earth's center of mass or something. Otherwise sea level rise would be changing all elevation figures everywhere constantly which would be a huge mess.

        (I'm going to file "elevation" under "things that at first seem simple but actually aren't")

        • Yes, it would be good to report if the altitude is relative to sea level or something else.
        • by msauve ( 701917 )
          It's called the geoid [wikipedia.org].

          But then there's this: "the biggest impact is probably on the climbers that have to climb another 20 meters or so to the top."

          Which is probably BS, since the whole mountain, including the base camp(s) (and not just the peak) is probably rising based on the explanation.
    • Yeah, I've got a Neanderthal painting from that era and it clearly shows Mount Everest with its height specified in mammoth tusks.

    • Written in the Rocks (Score:4, Interesting)

      by Roger W Moore ( 538166 ) on Tuesday October 01, 2024 @01:10PM (#64831661) Journal

      Did we expect anything then?

      Yes because we can extrapolate the physical processes happening today into the past to create an expectation of how we think things changed over that time period. We then compare that expectation to the actual data on the changes that happened.

      In this case since India is still colliding with Asia and pushing up the Himalayas I suspect there is some baseline growth expected over the past 89 kyrs from that and what has been found is the Everest grew by more than that expectation. Not everything has to be recorded in writing, evidence of past events can be recorded in rocks e.g. lightning strikes on desert sand leave a fossilized remant known as a fulgurite or even in the light from distant stars e.g. supernovae etc.

  • It's all the dead frozen hikers piled on top.

    Climbing it used to be rare, now they practically need traffic lights up there.

  • So each person who reaches to top sets a new world record for tallest mountain climbed?

  • The Himalayas get a little taller each year, as India collides with Asia. There's a bird species that have been flying over since the beginning. They have evolved into super high-altitude flyers. The height is now at the point where they must rest before the highest peaks and wait for favorable winds.

  • This is all an attempt to gamify climbing, to give the mountain some more replay value since you can now achieve a world record with each climb.

  • Neither is this news or for nerds. Over 89,000 years mountains get bigger. Yeah, and? People will have to climb higher. Yeah, 89,000 years ago, no one was climbing to the top of these and those people are DEFINITELY not around now, so they won't know the difference. Literal trash article clickbait.
    • Go to the firehose and vote on stories you want to see AND downvote stories you don't want to see.
      QUESTION: why do we still see stories in the firehose that have been posted on the main page??? wouldn't it make sense to remove it from the firehose after it's been posted?
    • Sounds sort of like what Slashdoters crave, doesn't it?

      o r o g e ny

      (teehee)
    • Mountains rise with time - basic geology / earth science concept - not news for nerds.

      The fact that we can measure, extrapolate, analyze, infer, reconstruct the past using modern technologies - that is the heart of soul of nerdom.

      Sounds like you have no such heart and soul.

  • Mount Everest, also known as Chomolungma, has grown about 15 to 50 meters (50 to 164 feet) higher over the past 89,000 years than expected, according to a modeling study released Monday.

    I hadn't noticed.
    It looks the same to me.

  • I knew it was a bad idea to dump that load of Cialis over the mountain. Now look what you did!
  • It seems Everest wants to keep up with the latest trends. The rivers are causing shifting, and lifting. Pretty soon, it will be completely in the cloud(s)!

  • Now Everest has to show up all the other mountains by growing even taller. I think they should throw a flag for "taunting."

  • Is not in the Himalayas, it's in the Karakoram.

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