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C. K. Tai

Satellite Oceanography & Climatology Division

Ocean Sensors Branch

SOCD shield

Dr. C. K. Tai received a BS in Physics from National Taiwan University, then a MS and a PhD in applied physics from Harvard. His research interests at the time were in geophysical fluid dynamics (GFD) instablility theories and their manifestations in various GFD systems. He went on to MIT to work as a post-doc for Carl Wunsch, who introduced him to satellite altimetry. Ever since that time, his research interests have been in satellite altimetry and its interplay with physical oceanography. Dr. Tai went on to Scripps as a research faculty. He joined NOAA in December 1991 as a GS-15 research scientist.

For his most recent research interests and results, Tai (2004 and 2006) provide the most fundamental aspects of satellite alitimetry as a satellite measurement system, namely, the resolution (i.e., Nyquist frequency and wavenumbers) and aliasing of altimetric sea level. These two papers provide advice on the best ways to process the data to enhance resolution and reduce aliasing. Tai and Fu (2005) gives an example of the application of these principles, wherein the signal is found to be twice as large if processed correctly.

Most Recent Publications

Tai, C.-K., 2008: On the aliasing and resolving power of sea level low- pass filtered onto a regular grid from along-track altimeter data of uncoordinated satellites: The smoothing strategy. J. Atm. Oceanic Tech., 25, 4, 617-624.

Tai, C.-K., 2006, Aliasing of sea level sampled by a single exact- repeat altimetric satellite or a coordinated constellation of satellites: analytic aliasing formulas, J. Atmos. Oceanic Tech., 23, 252-267.

Tai, C.-K., and L.-L. Fu, 2005, The 25-day-period large-scale oscillations in the Argentine Basin revisited, J. Phys. Oceanogr., 35, 1473-1479.

Tai, C.-K., 2004, The resolving power of a single exact-repeat altimetric satellite or a coordinated constellation of satellites, J. Atmos. Oceanic Tech., 21, 810-818.



E-mail: CK.Tai@noaa.gov