Arctic climate change issues
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Changing Arctic Climate Could be Catastrophic for Marine Food Chain - Nature World News

Changing Arctic Climate Could be Catastrophic for Marine Food Chain - Nature World News | Arctic climate change issues | Scoop.it
Nature World News Changing Arctic Climate Could be Catastrophic for Marine Food Chain Nature World News Changing climate conditions impact all sorts of marine life along the West Antarctic Peninsula, from single-celled algae to penguins, sending...
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Laura Coles's curator insight, August 23, 2015 8:25 AM

Maintaining balance in the Antarctic marine food chain is dependent on a negative phase of the "Southern Annular Mode," or SAM. This is the shift in atmospheric pressure between mid-latitudes and Antarctica. During the wintertime, a negative SAM means hefty winds and heavy sea ice followed by a calm spring and stable water column in summer. Once the winds die down come summer, it delays ice retreat. The entire food chain is dependent on this SAM pattern. 

With the climate changing and temperatures warming, the balance is changed. This impacts the Antarctic food chain.

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Emperor penguins declining, but how is climate change affecting other arctic ... - Tech Times

Emperor penguins declining, but how is climate change affecting other arctic ... - Tech Times | Arctic climate change issues | Scoop.it
Tech Times
Emperor penguins declining, but how is climate change affecting other arctic ...
Tech Times
Leopard seals and killer whales hunt emperor penguins, but those animals are facing their own challenges in the warming environment of Antarctica.
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Laura Coles's curator insight, August 23, 2015 8:38 AM

Too little ice reduces the habitat for krill, a critical food source for emperor penguins. If the krill are too decline, then the emperor penguins are to reduce. this is not only a problem for the penguins, but a problem for the animals higher up on the food chain. Mammals like leopard seals and orcas depend on the penguins as their food source.

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Polar expeditions: walking on thin ice - Campden FB

Polar expeditions: walking on thin ice - Campden FB | Arctic climate change issues | Scoop.it
Guardian Liberty Voice Polar expeditions: walking on thin ice Campden FB Polar bears sitting atop shrinking ice floes have become a symbol of climate change, with the average temperature in the Arctic rising almost twice the average rate of the...
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Laura Coles's curator insight, August 23, 2015 8:47 AM

The average temperature in the Arctic rising almost twice the average rate of the rest of the world. Already climate change is triggering an earlier Arctic snow-melt and sea ice break up, as well as altering ocean currents.