Session: General Middle Atmosphere (15th Conference on Air-Sea Interaction and the 14th Conference on Middle Atmosphere (20-24 August 2007))

Wednesday, 22 August 2007: 8:30 AM-12:10 PM

Multnomah (DoubleTree by Hilton Portland)

Host: 14th Conference on Middle Atmosphere

Chairs:

Anne R. Douglass, NASA/GSFC, Atmospheric Chemistry and Dynamics Branch, Greenbelt, MD and Darryn W. Waugh, The Johns Hopkins University, Baltimore, MD

Papers:

8:30 AM

5.1

Introductory Remarks

8:35 AM

5.2

An updated assessment of stratospheric temperature trends (Invited Speaker)

William J. Randel, NCAR, Boulder, CO; and K. Shine, D. W. J. Thompson, and SPARC Working Group On Stratospheric Temperature Trends

Recorded Presentation

9:00 AM

5.3

Trends in the strength of the Brewer-Dobson circulation and the wintertime Arctic ozone build-up

Feng Li, University of Maryland Baltimore County, Greenbelt, MD; and J. Austin and R. J. Wilson

Recorded Presentation

9:15 AM

5.4

Modeling the downward influence of stratospheric final warming events

Lantao Sun, Univ. of Illinois, Urbana, IL; and W. A. Robinson

Recorded Presentation

9:30 AM

5.5

A new look at stratospheric sudden warmings: vertical structure and coherence

Joss Matthewman, University College London (UCL), London, United Kingdom; and A. J. Charlton, L. M. Polvani, and G. Esler

Recorded Presentation

9:45 AM

5.6

Dynamical impacts of Antarctic stratospheric ozone depletion on the extratropical circulation of the Southern Hemisphere

Kevin M. Grise, Colorado State University, Fort Collins, CO; and D. W. J. Thompson

Recorded Presentation

10:00 AM

Break

10:30 AM

5.7

QBO and Annual Cycle Variations in Tropical Lower Stratosphere Trace Gases from HALOE and Aura MLS Observations (Invited Speaker)

Mark R. Schoeberl, Science and Technology Corporation, Columbia, MD; and A. R. Douglass, P. A. Newman, L. Lait, D. Lary, N. J. Livesey, L. Froidevaux, A. Lambert, W. G. Read, M. J. Filipiak, and H. C. Pumphrey

10:55 AM

5.8

A spring time case study of tropospheric ozone column enhancements over North America using a regional model and satellite data

Qing Yang, Pacific Northwest National Laboratory, Richland, WA; and D. Cunnod, Y. Wang, and Y. Choi

Recorded Presentation

11:10 AM

5.9

Dynamics of the coupled system stratosphere/troposphere at strong polar vortex

Nour-Eddine Omrani, Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, Bergen, Norway; and M. Latif and M. A. Giorgetta

11:25 AM

5.10

Middle and lower atmospheric effects of the total solar eclipse of 4 December 2002 simulated with a high-altitude global model

Stephen Eckermann, NRL, Washington, DC; and D. Broutman, M. T. Stollberg, J. Ma, J. P. McCormack, and T. F. Hogan

Recorded Presentation

11:40 AM

5.11

A seasonal and quasibiennial climatology of Rossby wave breaking in the 320-2000 K layer

Matthew H. Hitchman, University of Wisconsin Madison, Madison, WI; and A. S. Huesmann

Recorded Presentation

11:55 AM

5.12