High sensitivity of Bering Sea winter sea ice to winter insolation and carbon dioxide over the last 5500 years
نویسندگان
چکیده
منابع مشابه
The Arctic Winter Sea Ice Quadrupole Revisited
The dominant mode of Arctic sea ice variability in winter is often maintained to be represented by a quadrupole structure, comprising poles of one sign in the Okhotsk, Greenland, and Barents Seas and of opposing sign in the Labrador and Bering Seas, forced by the North Atlantic Oscillation. This study revisits this large-scale wintermode of sea ice variability usingmicrowave satellite and reana...
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In their contribution to PNAS, Liu et al. (1) suggested that the recent decline of Arctic sea ice has played a critical role in recent cold and snowy winters in the Northern Hemisphere (NH). This study is very interesting, but we believe it deserves several clarifications. First, in 2010, Wu et al. (2) discovered the importance of autumn Arctic sea ice in triggering regional cold extremes; for ...
متن کاملThe early twentieth century warming and winter Arctic sea ice
The Arctic has featured the strongest surface warming over the globe during the recent decades, and the temperature increase has been accompanied by a rapid decline in sea ice extent. However, little is known about Arctic sea ice change during the early twentieth century warming (ETCW) during 1920–1940, also a period of a strong surface warming, both globally and in the Arctic. Here, we investi...
متن کاملSensitivity to ocean acidification parallels natural pCO2 gradients experienced by Arctic copepods under winter sea ice.
The Arctic Ocean already experiences areas of low pH and high CO2, and it is expected to be most rapidly affected by future ocean acidification (OA). Copepods comprise the dominant Arctic zooplankton; hence, their responses to OA have important implications for Arctic ecosystems, yet there is little data on their current under-ice winter ecology on which to base future monitoring or make predic...
متن کاملOn the discrepancy between observed and CMIP5 multi-model simulated Barents Sea winter sea ice decline
This study aims to understand the relative roles of external forcing versus internal climate variability in causing the observed Barents Sea winter sea ice extent (SIE) decline since 1979. We identify major discrepancies in the spatial patterns of winter Northern Hemisphere sea ice concentration trends over the satellite period between observations and CMIP5 multi-model mean externally forced r...
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ژورنال
عنوان ژورنال: Science Advances
سال: 2020
ISSN: 2375-2548
DOI: 10.1126/sciadv.aaz9588