Climate Change at High Latitudes: An Illuminating Example

A striking example is presented of a newly observed phenomenon in the ice-covered Arctic Ocean that appears to be a consequence of changes in the physical forcing. In summer 2011, a massive phytoplankton bloom was observed north of the Bering Strait, between Russia and the United States, underneath...

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Bibliographic Details
Published in:Zygon
Main Author: Pickart, Robert S. (Author)
Format: Electronic Article
Language:English
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Published: Wiley-Blackwell [2018]
In: Zygon
Standardized Subjects / Keyword chains:B Arktische Zone / Food chains (Ecology) / Climatic change
RelBib Classification:NCG Environmental ethics; Creation ethics
VA Philosophy
ZC Politics in general
Further subjects:B under-ice blooms
B Arctic ice cover
B Climate Change
B Chukchi Sea
B Arctic Ocean
Online Access: Volltext (Verlag)
Volltext (doi)
Description
Summary:A striking example is presented of a newly observed phenomenon in the ice-covered Arctic Ocean that appears to be a consequence of changes in the physical forcing. In summer 2011, a massive phytoplankton bloom was observed north of the Bering Strait, between Russia and the United States, underneath pack ice that was a meter thick—in conditions previously thought to be inconducive for harboring such blooms. It is demonstrated that the changing ice cover, in concert with the resulting heat exchange between the atmosphere and ocean, likely led to this paradigm shift at the base of the food chain by altering the supply of nutrients and sunlight. Such early-season under-ice blooms have the potential to profoundly alter the Arctic food web.
ISSN:1467-9744
Contains:Enthalten in: Zygon
Persistent identifiers:DOI: 10.1111/zygo.12406