Symposium IA03: Interhemispheric water exchange in the Atlantic Ocean Convenors: G.J. Goñi, P. Richardson, J. McCreary, P. Malanotte-Rizzoli Wednesday 24 October Room: D.V. Sarsfield C (DVSC) Morning Session: Tropical Atlantic dynamics and subtropical cells Chairperson: P. Malanotte-Rizzoli 0800-0820 Open address 0820-0840 IA03-51 L.D. TALLEY, P.E. Robbins Invited Transports of heat, freshwater and other properties by the wind-driven and thermohaline components of the circulation. 0840-0900 IA03-27 R.L. MOLINARI, F. Schott Invited Tropical cells in the North Atlantic Ocean. 0900-0920 IA03-24 L.STRAMMA, J. Fischer, P. Brandt, F. Schott Circulation and variability in the Central Tropical Atlantic. 0920-0940 IA03-28 W. HAZELEGER, S.S. Drijfhout, P. De Vries, Y. Friocourt Source waters of the equatorial thermocline in the Atlantic. 0940-1000 IC01-33 H. BRIX, R. Gerdes Decadal and interdecadal variability in the Atlantic Ocean: mechanisms and time scales as deduced from an ocean-sea ice-model. 1000-1020 coffee break Session: Tropical Atlantic dynamics and subtropical cells Chairperson: R. Molinari 1020-1040 IA03-06 P. MALANOTTE-RIZZOLI Invited The shallow subtropical cells (STCS) in the Atlantic Ocean. 1040-1100 IA03-12 M.R. GUIMARÃES, E.J.D. Campos A model study of the water pathways in the subtropical and tropical Atlantic Ocean. 1100-1120 IA03-15 Z. YU, J.P. Mc Creary Dynamics of the Atlantic subsurface undercurrents, and their role in the general circulation. 1120-1140 IA03-17 P.C. CHU, C.W. Fan Determination of interhemispheric water exchange from hydrographic and wind data. 1140-1200 IA03-38 T. INUI, M. Buehner, P. Malanotte-Rizzoli, A.J. Busalacchi Sea surface height variabilities and its constraints on the Atlantic subtropical-tropical thermocline. 1200-1220 IA03-05 M.P. DA SILVA, M. Stoessel, P. Chang Tracking the source water of the Atlantic Equatorial undercurrent. Thursday 25 October Room: D.V. Sarsfield C (DVSC) Morning Session: North Brazil Current and North Brazil Current rings Chairperson: P. Richardson 0800-0820 IA03-22 S.L. GARZOLI Invited The north Brazil current and the inter-hemispheric Atlantic pathways. 0820-0840 IA03-47 W.E. JOHNS, S.L. Garzoli, G.J. Goñi Cross-gyre water mass transport by North Brazil current rings: results from the north brazil current rings experiment. 0840-0900 IA03-11 G.J. GOÑI, W.E. Johns A census of North Brazil current rings observed from Topex/Poseidon altimetry: 1992-1999. '0900-0920 IA03-33 D.M. FRATANTONI, P.L. Richardson, D.A. Glickson, M.E. Zemanovic Observations of North Brazil current ring structure and evolution. 0920-0940 IA03-13 Z.D. GARRAFFO, W.E. Johns, E.P. Chassignet, G.J. Goñi North Brazil eddies and their impact in the Caribbean circulation from very high resolution North Atlantic simulations and altimeter observations. 0940-1000 IA03-59 T.L. TOWNSEND North Brazil current ring transport in a high-resolution data assimilating global ocean circulation model. 1000-1020 coffee break Session: North Brazil Current Rings and Tropical Atlantic Dynamics Chairperson: G.J. Goñi 1020-1040 IA03-20 M. JOCHUM, P. Malanotte-Rizzoli The life cycle of North Brazil rings. 1040-1100 IA03-18 H.L. SIMMONS, D. Nof The squeezing of North Brazil current rings into the Caribbean Sea. 1100-1120 IA03-57 R.K. COWEN, S. Sponaugle, C.B. Paris Impact of North Brazil current rings on the local circulation around and coral reef fish recruitment to the island of Barbados, West Indies. 1120-1140 IA03-52 R.H. WEISBERG, G. Halliwell, D. Mayer How the MOC transits the tropics in a HYCOM climatological simulation 1140-1200 IA03-40 J. KRÖGER, C. Böening Supply of the Equatorial thermocline in an eddy-permitting model of the Atlantic Ocean (FLAME). 1200-1220 IA03-31 E. JOHNS, R. L. Molinari, W.D. Wilson Contribution of South Atlantic waters to the North Atlantic subtropical gyre as determined by direct current and water mass observations, 1984 - 2001. 1220-1430 Lunch Thursday 25 October Room: D.V. Sarsfield C (DVSC) Afternoon Session: Tropical Atlantic Dynamics Chairperson: J. McCreary 1430-1450 IA03-25 F.A.SCHOTT, L. Stramma, P. Brandt, J. Fischer Invited Western-boundary warmwater circulation in the tropical-subtropical South Atlantic: pathways and variability. 1450-1510 IA03-14 M.O. BARINGER, G.J. Goñi Tropical Atlantic currents as seen from the high-density XBT line AX-08. 1510-1530 IA03-34 N. Wienders, S. SPEICH, B. Blanke, M. Arhan Seasonal variability of the South Atlantic current. 1530-1550 IA03-19 B. BOURLES, C. Andrie, G. Eldin, Y. Dupenhoat, S. Arnault The equalant cruises in the Equatorial Atlantic (1999-2000) 1550-1610 coffee break Session: Tropical Atlantic Dynamics Chairperson: E. Johns 1610-1630 IA03-04 I.D. Lozovatsky, E.G. MOROZOV, A.V. Sokov, S.M. Shapovalov Water masses in the Equatorial Atlantic: the year 2000 Trans-Atlantic section. 1630-1650 IA03-37 Y. YOU Dianeutral exchange between AAIW and UNADW in the tropical Atlantic. 1650-1710 IA03-42 G.R. HALLIWELL, R.H. Weisberg, D.A. Mayer A synthetic drifter analysis of upper-limb meridional overturning circulation interior ocean pathways. 1710-1730 IA03-45 D. ZHANG, M.J. Mcphaden Interior pycnocline flow between the Subtropical and Tropical Atlantic. 1730-1750 IA03-49 A. LAZAR, T. Inui, A.J. Busalacchi, P. Malanotte-Rizzoli, L. Wang Seasonality of the ventilation of the Tropical Atlantic thermocline. 1750-1810 IA03-54 M.L. VIANNA, V.V. Menezes Interannual variability of the surface circulation in Southwestern Tropical Atlantic from altimetry. Friday 26 October FOYER Morning 0830-1230 Poster Session Chairperson: S.L. Garzoli IA03-01 C. FRANÇA, I. Wainer, A. Mesquita Planetary Equatorial trapped waves in the Atlantic Ocean from Topex/Poseidon altimetry. IA03-21 C. WANG Atlantic climate variability and its associated atmospheric cells. IA03-23 M. Goes, C. NOGUEIRA CAMPOS, A.S. Taschetto, I. Wainer, J. Servain Extreme events analyses in the Tropical Atlantic basin. IA03-26 C. FONSECA, G. Goñi, Z. Garraffo, E. Campos, E. Chassignet Temporal and spatial variability of the North Brazil current retroflection region inferred from numerical modeling and altimetry observations. IA03-30 D.A. MAYER, R.L. Molinari, M.O. Baringer, G.J. Goñi Transition regions and their role in the relationship between sea surface height and subsurface temperature structures in the Atlantic Ocean. IA03-32 C. SCHMID, R.L. Molinari, S. Garzoli On the temporal variability of the intermediate depth flow in the Tropical Atlantic. IA03-35 D.A. MAYER, G. Halliwell, R.H. Weisberg Joint analyses using observed temperature and model-derived fields for interhemispheric mass and heat transports in the Atlantic Ocean. IA03-36 H. MERCIER, M. Arhan, B. Bourles, A.M. Treguie, S. Michel The Angola gyre in the 1/6 clipper model. IA03-39 G. CLAUZET, I. Wainer, J. Servain Time-scales of variability from the high frequency PIRATA data (1997-2000). IA03-41 B.M. O'Connor, R.A. FINE, D.B. Olson Interannual variations in the subduction rate and fate of subtropical underwater in the North Atlantic. IA03-43 S. BAUER Comparison of surface pathways in the Tropical Atlantic using observed drifters and simulated Lagrangian data from HYCOM IA03-44 M.L. VIANNA, V.V. Menezes 40-to-60 day signals in currents and sea level off the northeast Brazil coast from current meter data. IA03-46 E. PATTI jr., I.C.A. Da. Silveira, E.J.D. Campos, M. Jochum On the generation North Brazil current rings by wind forcing. IA03-50 K.B. KATSAROS, A.M. Mestas-Nuñez, A. Bentamy, W.M. Drennan, E.B. Forde Surface fluxes of momentum and water vapor in the South Atlantic Ocean. IA03-55 A.MONTENEGRO, G.L. Weatherly, B. Subrahmanyam Annual variability in the Brazil Basin through altimetry. IA03-60 P.S. Kelly, K.M.M. LWIZA Climatology of surface salinity in the Western Tropical Atlantic.