Determination of the South China Sea Surface Height Variability Using TOPEX/POSEIDON Data
NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF OCEANOGRAPHY
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The monthly mean TOPEXPOSEIDON crossover data in the South China Sea are used to investigate the spatial and temporal variability of sea surface height anomaly SSHA. Multi-time scale variability is found using the empirical orthogonal function EOF analysis. The seasonal variability dominates SSHA with two spatial patterns basin-wide gyre and north-south double gyres. The intraseasonal variability of SSH has high spatial variability at the continental shelf such as west of Hainan Island and Borneo, and east-west double gyre structure in the deep basin. The interannual variability of SSHA has a north-south double gyre pattern. The scale interaction between seasonal and interannual processes may be taken place at the north-south double gyre pattern.
- Physical and Dynamic Oceanography