WHOI PO
Pierre Chabert, Brown - Synoptic-scale Winds in Coastal Systems: Impact on Upwelling Ecosystem Dynamics (Senegal) and Sea Level Extremes (New England)
| Date |
Time |
Location |
| July 22nd, 2025 |
3:05pm-4:05pm |
Clark 507 |
Title: Synoptic-scale Winds in Coastal Systems: Impact on Upwelling Ecosystem Dynamics (Senegal) and Sea Level Extremes (New England)
Abstract: Synoptic-scale wind variability plays a critical role in shaping coastal ocean dynamics. Here we examine two coastal systems influenced by distinct synoptic wind regimes. First, we analyze how synoptic-scale fluctuations of upwelling-favorable winds impact the dynamics of the Eastern Boundary Upwelling Sector off Senegal. Given the high productivity and ecological importance of this low-latitude sector, we focus in particular on the impact of synoptic winds on the planktonic ecosystem. Second, we explore another type of synoptic winds: extratropical storms that drive extreme precipitation and sea level events in New England, both individually and compounded. We identify the typical atmospheric patterns associated with each type of extreme and analyze their large-scale drivers. Finally, we develop a high-resolution coastal ocean model that replicates historical extreme sea levels in New England. Idealized storms reproduce those historical extreme surges, isolating storm characteristics that most strongly influence sea level extremes.