Sea-level doom from Antarctic melting

Discussion in 'Environmental Discussion' started by tochatihu, Sep 23, 2024.

  1. PriusTech

    PriusTech Active Member

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    I had hopes for Howard Dean also, I think he threatened to regulate the media? Then they exaggerated "the Dean scream" to make him look bad.

    Mark Twain is good

    Politicians and diapers must be changed often, and for the same reason.

    It's easier to fool people than convince them they have been fooled.

    Suppose you were an idiot. And suppose you were a member of congress. But then I repeat myself.

    If voting made any difference they wouldn't let us do it.

    Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.


    I'm not as cynical as George Carlin was but he did tell the truth

     
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  2. T1 Terry

    T1 Terry Active Member

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    It's easier to fool people than convince them they have been fooled.
    I like that one, so true ..... Remember the tobacco industries effort they put into lying to everyone about the affects of smoking, then the cotton industry about the dangers of cannabis hemp? How many still believe the lies rather than accept they were fooled ......

    T1 Terry
     
  3. tochatihu

    tochatihu Senior Member

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  4. Paul Gregory

    Paul Gregory Senior Member

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    When has seal level ever remained constant?
     
  5. Paul Gregory

    Paul Gregory Senior Member

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    At least half the time it was on the rise, and about half the time it has fallen.
     
  6. fuzzy1

    fuzzy1 Senior Member

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    It had been relatively stable for several millennia. The last time it was changing this rapidly was during the rapid glacial meltoff that marked the end of the last Ice Age. But then it was rising from a level more than 100 meters lower than today.
     
    #86 fuzzy1, May 20, 2026 at 9:45 PM
    Last edited: May 21, 2026 at 12:44 AM
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  7. Paul Gregory

    Paul Gregory Senior Member

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    If this sounds like denial, it's not; but the carbon cycle is unsustainably out of balance.
    But it's foolish to try to make the climate static. It never has been in 4.5 billion years.
     
  8. fuzzy1

    fuzzy1 Senior Member

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    Who was aiming for static?

    The speed of this anthropomorphic climate change is the great concern, exceeded only by certain cataclysms such as asteroid impacts, and the exit from (but not entrance to) Ice Ages, or at least the most recent Ice Age. Over Earth history, it appears that most other climate changes have been far slower.

    Fast climate changes appear to be associated with mass extinctions. Biological evolution doesn't adapt nearly as well to these speeds.
     
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  9. Mendel Leisk

    Mendel Leisk MMX GEN III

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  10. Paul Gregory

    Paul Gregory Senior Member

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  11. Mendel Leisk

    Mendel Leisk MMX GEN III

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    Whenever you quote me, my first thought is "what now...". You never disappoint.
     
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  12. bisco

    bisco cookie crumbler

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    I'm advising our grandchildren to buy at altitude
     
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  13. bwilson4web

    bwilson4web BMW i3 and Model 3

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    Based on the slow rate, I would change to a minimum 100 ft above sea level. Future sea view property outside of hurricane surge range.

    Bob Wilson
     
  14. Paul Gregory

    Paul Gregory Senior Member

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    Doesn't look like a quote to me.
     
  15. ChapmanF

    ChapmanF Senior Member

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    Post #90 appears to be a post, made by you, quoting Mendel.
     
  16. ColoradoBoo

    ColoradoBoo Senior Member

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    I realized the "rising sea level" warnings were a load of horse manure when the "smartest President in history" (Obama) purchased an $11 million ocean-front estate in Martha's Vineyard.

    If he ain't scared, neither am I!!!!

    [​IMG]
     
  17. fuzzy1

    fuzzy1 Senior Member

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    CalTopo's map shows that house at an elevation of 7 feet. That is "high elevation" compared to places like Miami Beach and New Orleans.

    By 2050, which is beyond Obama's and my average remaining life expectancies (and right at Michelle's expectancy), the water level is projected to rise no more than 1 foot, so he won't be losing enjoyment of that property during his able-bodied life, before needing to go into assisted living or a nursing home.

    By 2100, the high-end projections would have sea level lapping at the door mat, but the mid- and low-end projections still leave it usable. So his grandchildren are the ones to have first-hand concern.

    Plenty of people want to leave their grandchildren a better world, not a more-troubled world.
     
    #97 fuzzy1, May 21, 2026 at 7:16 PM
    Last edited: May 21, 2026 at 9:19 PM
  18. tochatihu

    tochatihu Senior Member

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    "The last time it was changing this rapidly was during the rapid glacial meltoff that marked the end of the last Ice Age" quoting @fuzzy1

    see:
    Sea Level in the Past 20,000 Years | EARTH 107: Coastal Processes, Hazards and Society

    about half-way down shows that SLR occurred between about 15 and 8 thousand years ago. During those 7 thousand years SLR was about 1000 meters. Thus averaging 14.3 mm/yr. Current rate is about 4 mm/yr and increasing. Future of SLR depends on large chunks of Antarctica breaking off, or not, and when.