Manuel Ruiz-Villarreal Pablo Otero Paula Conde Alvaro Peliz Jesús Dubert The Iberian Poleward Current around N and NW Iberia.

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Presentation transcript:

Manuel Ruiz-Villarreal Pablo Otero Paula Conde Alvaro Peliz Jesús Dubert The Iberian Poleward Current around N and NW Iberia

 ROMS-AGRIF  Full physics. Meteorological forcing by a high resolution model (MM5/Meteogalicia or HIRLAM/INM)  Three grids with 15Km, ~5Km and 1.8 km. Larger grid introduces a realistic large scale meridional pressure gradient and  Climatological forcing and run in the larger domain (Peliz & Dubert)  Realistic meteo forcing from August 2002 Configuration

Salinity and velocity at 100 m

Salinity

Meridional velocity

Mediterranean Water

Weakening Enhanced slope current Upwelling of slope current waters downwelling relaxation upwelling Slope current response to wind events Daily model cross-section of density and S at 42 N

downwelling relaxation upwelling Subsurface maximum Surface intensified Poleward velocity response to wind events oo o

SST AVHRR vs model SST

Hydrographical section vs model

Quickscat vs MM5

Sensitivity tests hmin=40m, theta_b=0.2 Broader density signature hmin=40m, theta_b=0.0 Enhanced mesoscale activity hmin=10m, theta_b=0.0 More intense IPC

Conclusions  We have set-up a realistic configuration for studying the poleward slope flow off N and NW Iberia  IPC exhibits variability in response to wind events.  On the north coast, wind forcing can be the dominant term in the penetration of IPC.  Our work in progress is an evaluation of physical terms; sensitivity to different parameters and setting-up other periods of simulation.