Understanding How To Do Arctic Science

The world’s leading polar experts (including Al Gore) based their Arctic knowledge around two carefully cherry picked dates in 2007 and 2012.

ScreenHunter_384 May. 12 16.18

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17 Responses to Understanding How To Do Arctic Science

  1. Andy DC says:

    Hopefully will spike above 0 soon!

    • Gail Combs says:

      The graph starts in a cold period.

      • jimash1 says:

        Amazingly Gail, when I point that out to alarmists, they insist that it is a myth.
        I tell then I was alive and conscious and demonstrate with contemporaneous reports ,
        to no avail. The 1970’s never happened, according to leading climatologists, who are, of course the “top scientists” in their field, according to the alarmists.

      • Dmh says:

        Would be *very* interesting to have an extension of this graph back into the beginning of the XX century.
        I believe we would see two complete oscillations of high (early XX century) low (1930’s and 40’s), then high (60’s – 70’s) and low again (end of the XX century up to 2013).
        I believe we’re at the beginning of a new rebound of the Arctic ice, not by coincidence coinciding with a low solar cycle.

  2. Andy Oz says:

    I believe you are referring to Gore Lore!

  3. darrylb says:

    More and more I understand how it could have been that human society burned, actually burned, those who they thought were causing bad weather events due to their witchcraft.
    Does anyone here not think that the same would not happen today if certain members of the green religion thought they could get away with it?
    Maybe one should just go fishing, or maybe ski the now snowy Mountains of Colorado!

  4. philjourdan says:

    New video for alarmist – how to pick cherries.

  5. Andy says:

    It certainly is an interesting graph.

    Accusing people of cherry picking makes me think of the saying about glasshouses and stones.

    Andy

  6. Lee says:

    Roaring Forties’ shift south means more droughts for southern Australia
    Change in Southern Ocean winds helps explain why Antarctica is bucking the global warming trend
    theguardian.com, Monday 12 May 2014 11.06 AEST
    Southern Ocean
    The Roaring Forties whipping up waves in the Southern Ocean. Photograph: Peter Barritt/Alamy
    Droughts across southern Australia are to continue increasing as the Roaring Forties get stronger and closer to Antarctica, a study has found. It also explains why Antarctica is bucking the global warming trend.
    Australian National University researchers looked at the past 1,000 years of Southern Ocean winds for the first time, along with ice core samples and South American tree rings and lakes.
    They found increasing greenhouse gases were strengthening the Southern Ocean’s Roaring Forties – known as the Southern Annual Mode (SAM) – that delivered rains to southern Australia. They also found the winds were tightening in over Antarctica.
    “As the westerly winds are getting tighter, they’re actually trapping more of the cold air over Antarctica,” said lead researcher Nerilie Abram.
    “This is why Antarctica has bucked the trend. Every other continent is warming, and the Arctic is warming fastest of anywhere on Earth.”
    This resulted in the decreasing rainfall across southern Australia, particularly in Western Australia.
    “This isn’t good news for farmers in southern Australia who are reliant on winter rains,” said the report, published on Monday in Nature Climate Change.
    The southern region of Western Australia had a 20% decline in rainfall since the 1960s, said Abram.
    “The rainfall there has such a strong influence from what’s being thrown up at it by the Southern Ocean. On the south-eastern side, we have a real interaction of the different climate modes. On the east side, we also have a very strong influence from tropical climate modes like El Nino.”
    A reconstruction of the SAM showed a 1000-year perspective and gave context to the only other records available that showed prominent increases in wind strength beyond natural variability since the middle of last century, but no further back.
    “This is what gives us a really good indicator that greenhouse gases are what’s causing the winds to intensify.
    “On average, the strength of the SAM is now at its highest positive value – stronger and closer to Antarctica than they have been at any time over the last 1000 years,” she said.
    The winds moved between two and five degrees closer to the South Pole in the past half century alone.
    “These winds have been changing over the last few decades and that’s one of the reasons we’ve been having such severe droughts,” said Abram.
    The researchers explained that while greenhouse gases impacted mostly in the winter, during summer and spring months the SAM was influenced strongly by depletions in the ozone layer.
    As the hole in the ozone layer appeared to be repairing itself – thanks in part to the fall in the use of harmful substances – the greenhouse gas effect was the main cause for concern.
    The alterations in the SAM were only slightly mirrored by its northern counterpart, Professor Matthew England from the University of New South Wales’ Climate Change Research Centre said.
    “As we increase greenhouse gases, different parts of the planet warm differently,” he said.
    “The northern hemisphere is continent dominated. In the south we have ocean dominated regions and they don’t warm in consistent ways.”
    The researchers said all signs pointed to a continuing increase in these winds, and further concentration over Antarctica, unless greenhouse gases in the atmosphere were reduced.
    “The SAM seems to be one part of the weather system which responds quite rapidly,” England told Guardian Australia.
    “Unlike things like glacial melt – that’s really hard to slow down – with the SAM it seems you get a payback for reducing your emissions on a quick time scale.”

    http://www.theguardian.com/world/2014/may/12/roaring-forties-shift-south-means-more-droughts-for-southern-australia

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