New Study Finds The Larsen Ice Shelf (Antarctic Peninsula) Has Cooled More Than 2°C Since 1991

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Temperature stations along the coast of the Antarctic Peninsula indicate “marked statistically signficant cooling” has occurred since 1991, with the Larsen Ice Shelf cooling at a rate of -1.1°C per decade.

Image Source: Bozkurt et al., 2020

Bozkurt et al., 2020

Observed near-surface temperature trends indicate important contrasts between summer and autumn for the period 1991−2015. A notable summer cooling exists on the northern peninsula (Frei and Marambio stations) and leeward side (Larsen Ice Shelf station). The largest summer cooling trend is observed at the Larsen Ice Shelf station [−0.92°C (10 yr)−1, p < 0.05]. On the other hand, in autumn, San Martin station on the central windward coasts exhibits the largest warming trend [+0.64°C (10 yr)−1 , p < 0.05]. Autumn warming is also notable at the other stations except the Larsen Ice Shelf station. At the annual time scale, there is a clear warming trend at San Martin station [+0.52°C (10 yr)−1 , p < 0.05], whereas at a close latitude on the leeward side the Larsen Ice Shelf station exhibits a marked statistically significant cooling [−1.1°C (10 yr)−1].”
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13 responses to “New Study Finds The Larsen Ice Shelf (Antarctic Peninsula) Has Cooled More Than 2°C Since 1991”

  1. RoHa

    That cooling was undoubtedly caused by man-ma… oh you know the rest.

  2. drumphish

    Must be some kind of cooling trend going on, if you ask me.

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  3. tom0mason

    “Temperature stations along the coast of the Antarctic Peninsula indicate “marked statistically signficant cooling” has occurred since 1991, with the Larsen Ice Shelf cooling at a rate of -1.1°C per decade.”
    That is not a good result! This planet is supposedly leaving the Little Ice Age (LIA) but this paper appears to indicate otherwise.

    So after 100 years or so of very mild warming — just under 1°C in about 100 years — the planet is cooling again.
    Did we really leave the LIA or has the last 45-50 years of mild warming was just been a mere blip? Blip in the continued cooling to much tougher and colder time ahead.
    CO2 warming where are you?

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