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A Comparative Study Of Sea Level Reconstruction Techniques Using 20 Years Of Satellite Altimetry Data, M. W. Strassburg, B. D. Hamlington, R. R. Leben, K.-Y. Kim
A Comparative Study Of Sea Level Reconstruction Techniques Using 20 Years Of Satellite Altimetry Data, M. W. Strassburg, B. D. Hamlington, R. R. Leben, K.-Y. Kim
CCPO Publications
Sea level reconstructions extend spatially dense data sets, such as those from satellite altimetry, by decomposing the data set into basis functions and fitting those functions to in situ tide gauge measurements with a longer temporal record. We compare and evaluate two methods for reconstructing sea level through an idealized study. The compared sea level reconstruction methods differ in the technique for calculating basis functions, i.e., empirical orthogonal functions (EOFs) versus cyclostationary EOFs (CSEOFs). Reconstructions are created using Archiving, Validation, and Interpretation of Satellite Oceanographic (AVISO) satellite altimetry data and synthetic tide gauges. Synthetic tide gauge records are simulated using …