Statistics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3524602s&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 24, CiteID L24602
Statistics
11
Oceanography: Physical: Eddies And Mesoscale Processes, Oceanography: Physical: Fronts And Jets, Oceanography: Physical: Instruments And Techniques
Scientific paper
Westward propagating Gaussian eddies with statistical characteristics estimated from altimeter observations but with purely random starting locations and times produce striated features in time-averaged maps of zonal velocity. The striations in these simulations have magnitudes and meridional scales comparable to those reported from time-averaged altimeter observations and model output in the central North Pacific and the California Current System. Time averages over the data records presently available are therefore not suitable for unambiguous detection of quasi-zonal jets. The presence of mapping error and background isotropic eddy kinetic energy also bias the regionally-averaged anisotropy of time averaged velocity fields, thus compromising the interpretation of anisotropy statistics.
Chelton Dudley B.
Schlax Michael G.
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