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Tropical Atlantic workshop 7-9 June 2004, de Bilt

Tropical Atlantic workshop 7-9 June 2004, de Bilt. WELCOME. Following earlier meetings, the objectives are: review recent progress in measuring and modelling Tropical Atlantic circulation and variability

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Tropical Atlantic workshop 7-9 June 2004, de Bilt

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  1. Tropical Atlantic workshop7-9 June 2004, de Bilt WELCOME Following earlier meetings, the objectives are: review recent progress in measuring and modelling Tropical Atlantic circulation and variability coordinate exisisting plans and to define future needs for observational and modelling experiments

  2. Timely: Clivar TACE (Tropical Atlantic Climate Experiment) • Objective: • To advance understanding of coupled ocean-atmosphere processes in the tropical Atlantic on seasonal to interannual time scales in order to realize the potential predictability of regional and global climate • Implementation: • Enhance existing observing system to provide the data needed for research and operations (where? what?) • Improve ocean synthesis and coupled predictive systems • (how?) • -Collaborate with prediction centers and the regions to ensure a rapid knowledge transfer from science to operations and decision support (What do they need, what can we give?)

  3. Discussion groups: Observations for research and operations: where and why there or are we content as it is? Synthesis model-obs and improve models: what obs do modelers need? How are the models going to be improved? Relate to operations: which part of the TA is important for seasonal prediction, what is the main problem with seasonal prediction, what obs are needed?

  4. Program Tropical Atlantic Workshop Monday 7 June North Brazil Current, NBC rings, NECC and STC-MOC 09:50-10:25 Bill Johns: NBC rings10:25-11:00 Markus Dengler: Western boundary circulation and the role of deep eddies in the tropical South Atlantic11:00-11:35 Gustavo Goni: Variability of the NBC, NBC rings and NECC from altimetry11:35-12:10 Bob Molinari: Observed retroflection of the North Brazil CurrentLunch13:00-13:35 Monika Rhein: Southern Hemisphere transport in western tropical/subtropical Atlantic13:35-14:10 Sabine Huettl: STC pathways in FlameTropical Atlantic climate: ocean state14:10-14:45 Alban Lazar: Barrier layer and mixed layer climatology14:45-15:15 Karina Affler: Observations of intraseasonal variability in the western tropical AtlanticBreak15:30-16:05 Sabine Arnault: Altimetry and ARAMIS experiment16:05-16:40 Christine Provost: Near surface velocities and the relation to altimetry16:40-17:15 Marc D'Orgeville: Process study of instabilities related to deep equatorial layering

  5. Tuesday 8 June 09:00-09:35 Lucia Bunge: Structure of deep horizontal velocities in the tropical Atlantic09:35-10:10 Rana Fine: Subduction of North Atlantic Subtropical Underwater Coupled variability, teleconnections and predictability 10:10-10:45 Wilco Hazeleger: Sensitivity of tropical Atlantic climate to ocean mixingBreak11:15-11:50 Eric Chassignet: HYCOM forecasting model in the Atlantic11:50-12:25 Chidong Zhang: Shallow atmospheric overturning and ITCZLunch13:15-13:50 Mojib Latif and Noel Keenlyside: ENSO-TAV interaction: modelling13:50-14:25 Geert Jan van Oldenborgh: Seasonal predictability in the tropical Atlantic Break15:00-15:35 Alban Lazar: Coupling mechanisms based on DEMETER data base15:35-16:10 Rein Haarsma: Sahel rainfall-SST connections in a coupled model ensemble16:10-16:45 Roberto De Almeida: Dods-server for PIRATA data 18:00-20:30 Reception at Utrecht University Museum

  6. Wednesday 9 JunePlanning09:00-09:25 Bill Johns TACE09:25-09:50 Bernard Bourles: AMMA, EGEE,PIRATA 09:50-10:15 Markus Dengler: IFM tropical Atlantic projects.10:15-10:40 Chidong Zhang: Planning AMI (Atlantic Marine ITCZ)11:00-12:30 Working group discussion13:15-14:30 Working group discussion15:00-17:00 Presentation/discussion

  7. Practical: Within the building, use “bezoekerspas” on badge. Hand them in when going home. Lunches and coffee will be served in Buys Ballot zaal. Tuesday 8 June, KNMI offers a reception at the garden of the University Museum, starts at 6 pm: get together in time at the door, so we can get in together (see map) Helpdesk at first floor of building B

  8. Weather forecast: Great weather!

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