[GTP] NWRA/CoRA Seminar--Dudley Chelton--PLEASE POST and distribute

[Silvia Gentile]

NWRA/CoRA Seminar


Dudley Chelton
Distinguished Professor, Physical Oceanography
College of Oceanic and Atmospheric Sciences
Oregon State University


Satellite Altimeter Observations of the Global Oceanic Eddy Field

An automated eddy identification and tracking procedure developed and 
applied to 15 years of altimeter measurements of sea surface height 
yields more than 58,000 eddies with lifetimes of 4 months or longer. 
More than 6500 of these eddies have lifetimes longer than a year. The 
characteristics of these tracked eddies will be summarized in this 
presentation. The propagation speeds and directions are consistent with 
theories for large nonlinear eddies. Outside of the tropics, the vast 
majority of these eddies are shown to be significantly nonlinear, 
implying that they contain trapped fluid and thus transport water 
properties from one region to another (e.g., momentum, heat, mass, 
potential vorticity, chlorophyll, zooplankton and other properties).


Tuesday
25 March 2008
Light refreshments at 10:30 am, Seminar at 11:00 am
CoRA Conference Room

3380 Mitchell Lane, Boulder
(across the street from NCAR Foothills Laboratory)
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