Simulating Arctic Climate Warmth and Ice Field Retreat in the Last Interglaciation
Bette L. Otto‐BliesnerClimate and Global Dynamics Division, National Center for Atmospheric Research (NCAR), Boulder, CO 80305, USAShawn J. MarshallClimate and Global Dynamics Division, National Center for Atmospheric Research (NCAR), Boulder, CO 80305, USAJonathan T. OverpeckClimate and Global Dynamics Division, National Center for Atmospheric Research (NCAR), Boulder, CO 80305, USAGifford H. MillerClimate and Global Dynamics Division, National Center for Atmospheric Research (NCAR), Boulder, CO 80305, USAAixue HuClimate and Global Dynamics Division, National Center for Atmospheric Research (NCAR), Boulder, CO 80305, USACAPE Last Interglacial Project members
2006en
ABI
Аннотация
In the future, Arctic warming and the melting of polar glaciers will be considerable, but the magnitude of both is uncertain. We used a global climate model, a dynamic ice sheet model, and paleoclimatic data to evaluate Northern Hemisphere high-latitude warming and its impact on Arctic icefields during the Last Interglaciation. Our simulated climate matches paleoclimatic observations of past warming, and the combination of physically based climate and ice-sheet modeling with ice-core constraints indicate that the Greenland Ice Sheet and other circum-Arctic ice fields likely contributed 2.2 to 3.4 meters of sea-level rise during the Last Interglaciation.
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