60% Increase In Antarctic Ice Area Since January, 1992

Green is ice present in 2013, which was not present in 1992. Red shows the opposite.

ScreenHunter_1212 Jan. 02 10.13

S_daily_extent.png (420×500)
S_199201_extn.png (420×500)


About stevengoddard

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17 Responses to 60% Increase In Antarctic Ice Area Since January, 1992

  1. The extra red shows the Ross Ice Shelf has grown since 1992. Blue shows sea that has no sea ice, but the reason there is no sea ice there is, it’s shelf ice.

  2. Stephen Richards says:

    It’s died of old age. Turney says they got stuck because it was old ice. He does not go on to explain how no ice suddenly becomes old ice.

  3. Robertv says:

    Green and yellow stuff only as far as the camera can see


  4. Why is there no sea ice in the Ross Sea. Totally baffled.

  5. From Wiki:

    The Ross Sea circulation, dominated by polynya processes, is in general very slow-moving. Circumpolar Deep Water (CDW) is a relatively warm, salty and nutrient-rich water mass that flows onto the continental shelf at certain locations in the Ross Sea. Through heat flux, this water mass moderates the ice cover. The near-surface water also provides a warm environment for some animals and nutrients to excite primary production. CDW transport onto the shelf is known to be persistent and periodic, and is thought to occur at specific locations influenced by bottom topography. The circulation of the Ross Sea is dominated by a wind-driven gyre. The flow is strongly influenced by three submarine ridges that run from southwest to northeast. Flow over the shelf below the surface layer consists of two anticyclonic gyres connected by a central cyclonic flow. The flow is considerable in spring and winter, due to influencing tides. The Ross Sea is covered with ice for much of the year and ice concentrations and in the south-central region little melting occurs. Ice concentrations in the Ross Sea are influenced by winds with ice remaining in the western region throughout the austral spring and generally melting in January due to local heating. This leads to extremely strong stratification and shallow mixed layers in the western Ross Sea.[14]

  6. wwlee4411 says:

    Reblogged this on wwlee4411 and commented:
    The ice was supposed to be gone by 2013. Now this? What does it tell you about “Global Warming?”

  7. Andy Oz says:

    Newsflash: Aurora Australis told to hold station.
    Chinese rescue icebreaker stuck in the ice after the “rescue” of the guardian Stunt Team.
    This episode just gets better day by day.


  8. Bob Koss says:

    You had to know someone would come up with a video of Hitler trapped in Antarctic ice.

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