Session 6A Climate Change and the Large-scale Circulation

Tuesday, 12 January 2016: 3:30 PM-5:30 PM
La Nouvelle C ( New Orleans Ernest N. Morial Convention Center)
Host: 28th Conference on Climate Variability and Change
Chair:
Kerry H. Cook, University of Texas, Geological Sciences, Austin, TX

GCM simulations of contemporary climate change under greenhouse gas forcing predict significant adjustments in the large-scale circulation, including the Hadley and Walker cells and the mid-latitude storm tracks. This session brings together modeling and observational studies of changes in the large-sale circulation in the 20th and 21st centuries to promote direct comparison between models and observations and an improved physical understanding.

Papers:
3:30 PM
6A.1
Is the Large-Scale Circulation Response to Increasing Greenhouse Gases Related to Climate Sensitivity? Lessons from CMIP5 Models
Kevin M. Grise, University of Virginia, Charlottesville, VA; and L. M. Polvani
Recorded Presentation

3:45 PM
6A.2
Free and Forced Changes of the Surface Atmospheric Circulation and Storminess over the last 140 years
Prashant D. Sardeshmukh, CIRES/Univ. of Colorado and Physical Sciences Division/ESRL/NOAA, Boulder, CO; and G. P. Compo, C. Penland, and C. McColl

4:00 PM
6A.3
The Sinuosity of Atmospheric Circulation over North America and Its Relationship to Arctic Climate Change and Extreme Events
Stephen J. Vavrus, University of Wisconsin, Madison, WI; and F. Wang, J. E. Martin, and J. Francis
Recorded Presentation

4:15 PM
6A.4
Interpretting Projected Changes in the Large Scale Circulation Relevant to the Climate of East Africa
Bradfield Lyon, Columbia University/International Research Institute for Climate and Society, Palisades, NY; and A. Giannini and N. Vigaud
Recorded Presentation

4:30 PM
6A.5
Trends in the global divergent overturning circulation, including the Hadley and Walker Circulations
Gilbert P. Compo, CIRES, Univ. of Colorado and Physical Sciences Division/ESRL/NOAA, Boulder, CO; and P. D. Sardeshmukh

4:45 PM
6A.6
Future Changes in Winter Stationary Waves in East Asia and the North Pacific Induced by Robust Changes in the Tropical Circulation
Shuhei Maeda, MRI, Tsukuba, Japan; and M. Harada and S. Wakamatsu
Recorded Presentation

5:00 PM
6A.7
Robust Changes in the Hadley Circulation and Global Dryness Under CO2 Warming from CMIP5 Model Projections
William K.-M. Lau, University of Maryland, College Park, MD; and K. M. Kim
Recorded Presentation

5:15 PM
6A.8
Evaluating CMIP5 Models' Representation of Oceanic Drivers of North African Climate
Fuyao Wang, University of Wisconsin, Madison, WI; and M. Notaro, Y. Yan, J. Mao, X. Shi, and Y. Wei
Recorded Presentation

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