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    global warming ... a new study for the Pacific Islands

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    orphaned

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    global warming ... a new study for the Pacific Islands

    Post by orphaned on Thu Sep 28, 2017 12:38 pm

    Half Flower



    The stark reality : global warming exists





    We may be waving goodbye to Pacific Island nations sooner than we thought





    Rising sea levels due to climate change may inundate low-lying Pacific island nations far earlier than had previously been predicted, according to a new study.


    Existing computer models rely on what scientists call “passive bathtub inundation” to predict how an increase in sea levels will flood low-lying islands. 


    In other words, the sea would slowly cover the islands, much like a bathtub filling up with water.


    But scientists at the US Geological Survey used a new model that takes into account how storm driven-waves and cumulative sea level rise would affect Midway Atoll and Laysan Island in the Northwestern Hawaiian Islands.


    That model shows 91% of Midway Atoll’s Eastern Island would be inundated if the oceans rise 2 meters (6.6 feet), where the bathtub scenario says 19%.


    Bathtub models had predicted that low-lying islands would remain above water for another 50 to 150 years.

      Current date/time is Sun Dec 17, 2017 10:33 am