Gravity Waves Retreat 2006

NCAR/TiiMES Gravity Waves Retreat

19 June - 6 July 2006

Co-Organizers: Hanli Liu (HAO); Jadwiga Richter (CGD); Dong Wu (JPL) and Fuqing Zhang (Texas A&M)

Summary of the retreat in the form of a white paper can be viewed here in PDF, HTML and DOC.

Monday June 26

2 pm: Observations: Chair: J. Alexander

1. D. Wu: “Observations of small-scale wave processes with satellite nadir and limb techniques”
2. B. Randel: “Wave-critical layer interactions observed using GPS radio occultation measurements”

4 pm: Sources: Chair: J. Richter

1. T. Lane: “Wave breaking, secondary generation, and mixing above deep convection”
2. F. Zhang: “Wave characteristics from the jet-fronts”

Tuesday June 27

8:30 am: Source Observations: Chair: D. Wu

1. J. Alexander: “Using observations to constrain gravity wave source parameterizations”
2. M. Geller: “Source parameter estimates from radiosonde data”
3. R. Vincent: “Source momentum flux estimates from superpressure balloons”

10:30 am: Source Observations: Chair: S. Eckerman

1. J. Doyle: “Three-dimensional characteristics of mountain waves: A preliminary perspective from T-REX”
2. R. Smith: “Gravity waves in the stratosphere found during T-Rex with the GV”

2 pm: Impacts: Chair: J. Doyle

1. A. Dornbrack: “Impact of inertia-gravity waves on polar stratospheric clouds and ice-supersaturated regions”
2. S. Eckerman: “Explicitly resolved stratospheric gravity waves in swath-scanned radiance imagery and high Resolution NWP Model Runs”

4 pm: Impacts: Chair: B. Randel

1. A. Smith: “Using global chemical models and chemical observations to diagnose eddy diffusion”
2. H. Liu: “Turbopause region and gravity waves ”

Wednesday June 28

9 am: Campaigns Invited Talks: Chair: T. Lane

1. R. Vincent: “Field campaigns for observations of gravity waves”
2. W. Cooper: “ Aircraft capabilities for measurements of gravity waves”
3. HIAPER Progressive Science Mission

11 am: Campaigns Discussion: Chair: R. Vincent

Thursday June 29

8:30 am: Modeling/Parameterizations: Chair: R. Garcia

1. T. Dunkerton: “GW parameterizations: my perspective”
2. J. Richter: “Source spectrum parameterizations for convectively generated gravity waves”
3. F. Sassi: “Experiments with WACCM: A sensitivity study”

11 am: Modeling/Parameterizations: Chair: T. Dunkerton

1. K. Hamilton: “ Application of high-resolution global models to the gravity wave parameterization issue”
2. T. Shepherd: “Can we trust the simulated GW response to climate change?”

2 pm: Modeling/Parameterizations: Chair: R. Smith

1. P. Smolarkiewicz: “Modeling tools for the gravity wave problem”
2. M. Waite: “Simulations of gravity wave breaking and the observed vertical wavenumber spectrum”
3. D. Fritts: "GW breaking, wave-wave interactions, turbulence, and Prandtl numbers"

4 pm: Discussion: Chair: T. Shepherd

1. How to move the parameterization problem forward?

Friday, June 30

9 am: Open Discussion 1: Chair: M. Geller

11 am: Open Discussion 2: Chair: K. Hamilton

2 pm: Wrap-up Discussion: Chairs: H. Liu, J. Richter, D. Wu, F. Zhang