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Sea surface height measurements by TOPEX/POSEIDON (T/P) were originally designed to
provide global estimates of large scale circulation at periods greater than 20
days. However, we are studying one small region of the ocean at high latitudes
where barotropic motions are known to dominate. Therefore, we expect high
frequency energy to be aliased to lower frequencies in this particular
region. Also, we will be looking for regional and smaller scale spatial
patterns in TOPEX data even though it is known that TOPEX is increasingly noisy
at small spatial scales.
Jake Gebbie
2003-04-10