Brave New Arctic by Serreze Mark C

Author:Serreze, Mark C. [Serreze, Mark C.]
Language: eng
Format: epub, pdf
ISBN: 9780691173993
Publisher: Princeton University Press
Published: 2018-01-15T07:00:00+00:00

EPIPHANY

The new century dawned. Arctic changes became ever more obvious and now clearly included the Greenland ice sheet, ice caps, and glaciers. Even the landscape was changing, with areas of treeless, windswept tundra being taken over by shrubs. By now, many Arctic scientists were convinced that we’d moved beyond just natural variability. But I was not the only one still sitting on the fence. The expected Arctic amplification still wasn’t especially prominent. And, from my point of view, as it became ever more apparent that so much of what was happening was linked to the AO, it became less apparent why one needed to invoke the specter of rising greenhouse gas levels to explain unaami. Then, at the height of the AO mania, something remarkable happened. The AO, and its little sister the NAO, began regressing from their high positive phases. But the Arctic kept warming and the sea-ice cover kept shrinking. It was sometime in 2003 that I saw the light. Unaami was more than just a natural climate cycle. It was us.

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