Statistical Characteristics of the Global Surface Current Speeds Obtained from Satellite Altimeter and Scatterometer Data
Chu, Peter C.
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Near-real time ocean surface currents derived from satellite altimeter (JASON-1, GFO, ENVISAT) and scatterometer (QSCAT) data on 1 degrees X 1 degrees resolution for world oceans (60 degrees S to 60 degrees N) are available online as “Ocean Surface Current Analyses-Real Time (OSCAR).” The probability distribution function (PDF) of the current speeds (w) , constructed from global OSCAR data from 1992 to 2008, satisfies the two-parameter Weibull distribution reasonably well, and such a PDF has little seasonal and interannual variations. Knowledge on PDF of w will improve the ensemble horizontal flux calculation, which contributes to the climate studies.
IEEE Journal of Selected Topics in Earth Observations and Remote Sensing