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3rd VOCALS Science Meeting

March 21 - 23, 2011
Newman Alumni Center
University of Miami, Coral Gables, Florida

Monday, March 21

Plenary Session – Welcome and VOCALS Status

9:00 am - 9:30 am Welcome and Summary of VOCALS, meeting goals and organization (Mechoso,Wood)
9:30 am - 9:45 am A synthesis of published VOCALS studies on marine boundary layer and cloud structure along 20°S (Bretherton)
9:45 am - 10:00 am A overview of published VOCALS studies on gas composition and aerosol along 20S (Coe)

10:00 am - 10:30 am


Theme 1: PBL and Clouds

10:30 am - 10:45 am From LWP to COT: k coefficient (Brenguier)
10:45 am - 11:00 am Large-Eddy Simulation of the VOCALS RF06 Pocket of Open Cells: Dynamics, Maintenance Timescale for Microphysical Gradients, and Entrainment (Berner)
11:00 am - 11:15 am Drizzle and mesoscale organization in SEP stratocumulus (Leon)
11:15 am - 11:30 am Characterization of sub-cloud vertical velocity distributions and precipitation-driven outflow dynamics using a ship-based, scanning Doppler lidar during VOCALS-REx (Brewer)
11:30 am - 11:45 am Vertical structure of marine stratocumulus clouds: 7 years of ship observations (De Szoeke)
11:45 am - 12:00 pm Poster summaries (Bretherton, Zuidema, Leon, Wilcox)

12:00 pm - 1:00 pm


Theme 1: PBL and Clouds

1:00 pm - 1:15 pm A New Motion-Stablilzed W-band (94-GHz) Cloud Radar for Observations of marine Boundary-Layer Clouds (Fairall)
1:15 pm - 1:30 pm Numerical simulation of heavily drizzling cloud regimes in VOCALS (Mechem)
1:30 pm - 1:45 pm Observations of the diurnal cycle of marine stratocumulus clouds and precipitation (Burleyson)
1:45 pm - 2:00 pm Observations of the life cycle of marine startocumulus drizzle cells: Preliminary results [PPS] [Movie] (Yuter)
2:00 pm - 2:15 pm Boundary layer, cloud, and aerosol variability in the southeast Pacific coastal marine statocumulus during VOCALS-REx (Zheng)
2:15 pm - 2:30 pm Aerosol Dynamics Over the SEP: Combustion, Entrainment, Nucleation and CCN (Clarke)
2:30 pm - 3:00 pm Theme 1 Discussion
3:00 pm - 3:30 pm BREAK

Theme 2: Gases, Aerosols and Cloud Related Processes

3:30 pm - 3:45 pm DMS as an integrator of dynamic, chemical, and biological processes during VOCALS (Huebert)
3:45 pm - 4:00 pm Chemical, aerosol, and cloud processes in closed and open cells (Kazil)
4:00 pm - 4:15 pm Using WRF-Chem to understand interactions between synoptic and microphysical variability during VOCALS (George)
4:15 pm - 4:30 pm Using the WRF-Chem model to investigate the impacts of aerosol on marine stratocumulus observed during VOCALS-REx (Yang)
4:30 pm - 4:45 pm Poster Summaries (Matrai, Clarke for Shank, Clarke for Freitag)
4:45 pm - 5:00 pm Poster Summaries (Gadian (1), Terai (1), Terai (2))

Tuesday, March 22

Theme 2. Gases, Aerosols and Cloud Related Processes

8:30 am - 8:45 am Precipitation as a driver of cloud droplet concentration variability along 20°S (Wood)
8:45 am - 9:00 am Investigations of aerosol-cloud-precipitation processes in observations and models at The University of Arizona (Brunke)
9:00 am - 9:15 am Variability of giant sea-salt particles during the VOCALS campaign (Jensen)
9:15 am - 9:30 am An aircraft-based investigation of the first aerosol indirect effect during VOCALS-REx (Painemal)
9:30 am - 9:45 am Simulating aerosols, radiative forcing, and impacts on marine stratocumulus during VOCALS REx (Spak)
9:45 am - 10:00 am Poster Summaries (Huebert for Matrai/Hind, Gadian (1), Gadian (2), Clarke for Shank, Freitag)

10:00 am - 10:30 am


Theme 2. Gases, Aerosols and Cloud Related Processes

10:30 am - 11:15 am Theme 2 Discussion

Theme 3. Upper Ocean Physics and Biology, Eddies, Air-Sea Interaction

11:15 am - 11:30 am SST-surface fluxes Coupling and Local Impact of mesoscale SST on ABL in the Southeast pacific (Putrasahan)
11:30 am - 11:45 am Understanding Ocean Processes during VOCALS- A data assimilation framework (Subramanian)
Poster Summaries (Wang, Holte)

12:00 pm - 1:00 pm


Theme 3. Upper Ocean Physics and Biology, Eddies, Air-Sea Interaction

1:00 pm - 1:15 pm Surface fluxes in the VOCALS region (Fairall)
1:15 pm - 1:30 pm Measurements of Upper-Ocean Turbulence and Air-Sea Interaction during VOCALS-REx (Zappa)
1:30 pm - 1:45 pm Measurements of upper-ocean turbulence and air-sea interaction during VOCALS REx, part II (Farrar)
1:45 pm - 2:00 pm Large scale to mesoscale dynamics in the VOCALS region [PPS] (Grados)

Theme 4. Modeling and Basic Issues

2:00 pm - 2:15 pm Eastern Pacific surface fluxes observed and simulated by coupled GCMs (De Szoeke)
2:15 pm - 2:30 pm A discussion of the processes that maintain a cool ocean surface under the stratus decks of the Southeast Pacific (Mechoso)
2:30 pm - 2:45 pm Southeast Pacific stratocumulus in CAM4 and CAM5 - Falling down and breaking up (Medeiros)
2:45 pm - 3:00 pm The representation of drizzle in the Met Office Unified Model (Abel)
3:00 pm - 3:15 pm Poster summaries (Fry(1), Fry(2))

3:15 pm - 3:30 pm


Theme 4. Modeling and Basic Issues

3:30 pm - 3:45 pm Boundary layer thermodynamics and decoupling in the South Eastern Pacific along 20° South (Barrett)
3:45 pm - 4:00 pm Gravity waves as a modulator of clouds in the South East Pacific [PPS] [Movie] (Allen)
4:00 pm - 4:15 pm The (dynamically-driven) diurnal cycle in the SEP (Garreaud)
4:15 pm - 4:30 pm PBL variability in the SEP during VOCALS-REx and its connection to synoptic and planetary scales (Toniazzo)
4:30 pm - 4:45 pm CUpEx: Chilean Upwelling Experiment (Garreaud)
4:45 pm - 5:00 pm The VOCALS Assessment VOCA (Wyant, Bretherton)
5:00 pm - 5:30 pm Themes 3 and 4 Discussion

Wednesday, March 23

Plenary Session – Rapporteur Presentations

8:30 am - 8:55 am Theme 1. PBL and Clouds (Bretherton, Zuidema)
8:55 am - 9:20 am Theme 2. Gases, Aerosols and Cloud Related Processes (Coe, Clarke)
9:20 am - 9:45 am Theme 3. Upper Ocean Physics and Biology, Eddies, Air-Sea Interaction (Farrar, Grados)
9:45 am - 10:10 am Theme 4. Modeling and Basic Issues (Garreaud, De Szoeke)

10:10 am - 10:30 am


Plenary Session – Wrap-Up

10:30 am - 10:45 am VOCALS Support Office and Data Archive (Meitin)
11:00 am - 11:10 am Agency Representatives (Patterson, US CLIVAR)
11:10 am - 12:00 pm General Discussion (Wood, Mechoso)

12:00 pm


* NOTE: A PowerPoint viewer can be downloaded from Microsoft.

Session Chairs/Rapporteurs

Theme 1. PBL and Clouds [Zuidema, Bretherton]

Theme 2. Gases, aerosols and Cloud related Processes [Coe, Clarke]

Theme 3. Upper Ocean Physics and Biology. Eddies, Air-Sea Interaction [Farrar, Grados]

Theme 4. Modeling and Basic Issues (deSzoeke, Garreaud)

Poster Session (Posters will be on display on Monday and Tuesday)

Bretherton, C.: Marine boundary layer decoupling in VOCALS-REx.

Freitag, S.: Trajectory Visualizations of In-situ Tracers of Continental Aerosol Sources in Google Earth: Relationships to Aerosol and Clouds over the SEP.

Gadian, A.: Numerical modelling of a stratocumulus over the South-East Pacific with WRF. (1)

Gadian, A.: Numerical modelling and observation of the cloud aerosol interactions. (2)

Goubanova, K.: Modes of covariability between SST and wind stress intraseasonal anomalies in the Humboldt and Benguela upwelling systems.

Holte, J.: Eddy Observations from VOCALS-REx.

Matrai, P.: Title not available.

Shank, L.: Organic carbon and non-refractory aerosol over the remote southeast pacific: oceanic and combustion sources.

Terai, C.: Cold pools and aerosols under stratocumuli. (1)

Terai, C.: Susceptibility of drizzle in stratocumulus to aerosol perturbations. (2)

Wang, Y: Improved representation of boundary layer clouds over the Southeast Pacific in WRF-ARW using a modified Tiedtke cumulus parameterization scheme.

Wilcox, E.: Evaluation of satellite lower-tropospheric humidity retrievals and relationships with boundary layer clouds.

Leon, D., P. Zuidema, A. Pazmany, J. Snider, Z. Wang and a cast of thousands: The WCR, WCL, GVR Integrated Dataset for VOCALS-REx.

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