[Eoas-seminar] parfitt seminar on thursday march 1

eoas-seminar at lists.fsu.edu eoas-seminar at lists.fsu.edu
Wed Feb 21 13:10:19 EST 2018

ladies and gentlemen

our visitor, Rhys Parfitt, a candidate for our faculty opening will 
present a seminar on Thursday March 1 at 3:30pm in the Baum lecture 
room.  His seminar is titled

Why do we need high-resolution western boundary currents to properly 
model their influence on weather and climate?

This talk considers some of the key processes that determine the impact 
of the Western Boundary Currents on mid-latitude weather and climate. 
Specifically, we focus on the coupled interaction between the oceanic 
frontal zones and individual atmospheric fronts, and discuss why this is 
primarily responsible for the local as well as basin-scale 
ocean-to-atmosphere feedback in the seasonal mean and longer time scale. 
As this interaction is highly sensitive to resolution, it is suggested 
that the influence of these oceanic frontal zones on climate can’t be 
properly realised in general circulation models unless they are at 
sufficiently high resolution (i.e. horizontal grid size of 25km or 
less). The implications for current general circulation models and 
reanalysis datasets are addressed.

William K Dewar
Dept. of EOAS
850-644-4099   wdewar at fsu.edu

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