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Thread: Climate Change / Global Warming Discussion

  1. #2931
    Member Thumper's Avatar
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    Apologies if this has been covered, I haven't read the whole thread recently. Why haven't they just dumped mounds of cement on the Porter Ranch methane leak until it stops?

  2. #2932
    Senior Member beeeerock's Avatar
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    Quote Originally Posted by JRP3 View Post
    Many of us are thinking the same thing on this side of the border. I know some otherwise intelligent people who seem to think a walking cartoon character might actually be a good choice to lead the country. The only hope is some rationality might take hold when it's time to pull the lever...
    What I find interesting (and is politically agnostic) is the way polling is done now. I heard the other day that auto-dialling cell phones is not allowed - they must be done manually. However, autodialling of landlines is acceptable. So that tends to skew the demographics. Who has the manpower to manually dial? Nobody, really, so that leaves landlines. Who has a landline these days? Older folks. And odds are, they'll say the first name they think of... which is generally the name making the most waves on the radio and TV. So are the poll results useful? I'd say, probably not. Certainly Iowa was a bit surprising for both sides.
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  3. #2933
    Maximum Plaid Member ohmman's Avatar
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    Quote Originally Posted by beeeerock View Post
    Who has a landline these days? Older folks. And odds are, they'll say the first name they think of... which is generally the name making the most waves on the radio and TV.
    Not political, but definitely full fledged age discrimination..

    I agree that there's selection bias in these polls, especially now that landlines are going out of favor. That's a problem they'll have to sort out, if they care. I'm personally glad because as polls lose their reliability, they will have less influence on voters. There's some good literature on the fact that polling results skew future voting in the same way that very good reviews for a product will influence future product reviews. It's a form of social norming. I don't like the idea of the "wisdom of the crowd" influencing my politics. I've met the crowd. They're not wise.
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  4. #2934
    Senior Member JRP3's Avatar
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    Quote Originally Posted by ohmman View Post
    Not political, but definitely full fledged age discrimination..
    Not if it's accurate. Is there any question that younger people don't bother with land lines and older people still have theirs? Certainly my anecdotal experience backs that up. I was unusual by being one of the first people in my circles to completely give up a land line many years ago.
    Waiting for ≡

  5. #2935
    Maximum Plaid Member ohmman's Avatar
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    Quote Originally Posted by JRP3 View Post
    Not if it's accurate. Is there any question that younger people don't bother with land lines and older people still have theirs? Certainly my anecdotal experience backs that up. I was unusual by being one of the first people in my circles to completely give up a land line many years ago.
    I think that portion is probably mostly correct. The part I took issue with was:

    Older folks. And odds are, they'll say the first name they think of... which is generally the name making the most waves on the radio and TV.
    That sounded like an assertion that old people aren't as well informed as younger voters. I don't believe that claim has merit.
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  6. #2936
    Senior Member beeeerock's Avatar
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    Quote Originally Posted by ohmman View Post
    I think that portion is probably mostly correct. The part I took issue with was:



    That sounded like an assertion that old people aren't as well informed as younger voters. I don't believe that claim has merit.
    Maybe a context problem. My meaning was that many will just offer up a name without necessarily meaning anything other than 'I gave you an answer now leave me alone'. Not to mention that it's early in the race and many people haven't really made up their mind... and the guy getting the most attention in the news is the one who's name comes to mind the fastest.

    My father would have been too polite to hang up (I'd happily do so, even though I don't fit the category of 'young' any longer) and would either decline to answer or - if he was in a sporting mood - just give them the dumbest answer possible simply to mess with their results.

    It's not so much about being informed as it is about their feelings on polls. Although it would be interesting to see the support for each candidate broken into age groups.

    Edit: Stumbled upon this, which is perhaps somewhat relevant, and if not, at least somewhat interesting!
    The Establishment’s Last Gasp — Medium
    Last edited by beeeerock; 2016-02-03 at 11:04 AM. Reason: article added
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  7. #2937
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    Melting Greenland ice changing ocean circulation, Earth's gravitational field

    The melting of the Greenland ice sheet due to climate change is having an impact on ocean circulation and rising sea levels, according to new studies from university researchers across North America.

    "It was well known that Greenland's ice was melting, it was well known that that melting was accelerating, and it was well known that extra melting was changing the salinity of the North Atlantic Ocean," said Tim Dixon, a Canadian professor in the department of geophysics at the University of South Florida, who recently co-authored a study published in Nature Communications.

    Dixon said that when ice melts, it deposits fresh water into the ocean that dilutes the salt in the North Atlantic.

    "What was not known is what effect if any that would have on ocean circulation," he said.

    Previous studies had suggested that the impact of the melting Greenland ice on North Atlantic circulation would be minimal, at least for the next 50 years, Dixon said, because the amount of fresh water going into the North Atlantic was thought to be too small to disrupt the ocean circulation.

    "The accelerated melting of Greenland is adding so much fresh water to the North Atlantic that it's starting to affect the basic ocean structure in the Labrador Sea."

    But it's not just the Labrador sea that is affected.

    "We think those changes are big enough that they're starting to affect the overall global circulation pattern of the ocean," Dixon said

    <snip>
    Full article at:
    http://www.cbc.ca/news/canada/north/...ield-1.3437904
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