CSDMS 2013 annual meeting poster Chris Jenkins
Globally extensive, Subgrid scale, Seafloor Drag (z0) for Input to Models
Enda O'Dea, UK Met Office Exeter NO STATE, United Kingdom. enda.odea@metoffice.gov.uk
Abstract:
By using spatially-varying estimates of seabed bottom drag (z0) the performance of ocean current and tide numerical models may be improved. To an extent, the seabed database dbSEABED is able to supply these values from data on the seabed materials and features. But then adjustments for varying dynamic (wave, flow) conditions are also required. So the data and model must work closely together. We developed methods for calculating inputs of z0 for circulation models in this way. Preliminary outputs from this new globally capable facility are demonstrated for the NW European Shelf region (NWES).
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