Global Warming Hiatus-Part I

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Monday, 5 January 2015: 11:00 AM-12:00 PM
122BC (Phoenix Convention Center - West and North Buildings)
Host: 27th Conference on Climate Variability and Change
Cochairs:  Shang-Ping Xie, Scripps Institution of Oceanography, Univesity of California, La Jolla, CA and Thomas L. Delworth, GFDL/NOAA, NOAA/GFDL, Princeton, NJ

Global average temperature has increased by 0.8oC over the 20th century but this warming trend has slowed or even stalled for the past 15 years. This warming hiatus has caused much confusion and debate but at the same time offers a scientific opportunity to study climate change dynamics in action. Mechanisms proposed include a slowdown in net radiative forcing, and interference by natural variability. This session showcases rapidly advancing research on the physical mechanisms and various impacts of this hiatus event. Topics of particular interest include interdecadal variability and the interaction with forced climate change, radiative forcing and related processes, and ocean heat storage as pertinent to the hiatus.

  11:15 AM
  11:45 AM
A Link Between the Hiatus in Global Warming and North American Drought
Thomas L. Delworth, NOAA/GFDL, Princeton, NJ; and F. Zeng, A. Rosati, G. Vecchi, and A. T. Wittenberg