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- CSEOF (2)
- Satellite altimetry (2)
- Sea level reconstruction (2)
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Articles 1 - 3 of 3
Full-Text Articles in Physical Sciences and Mathematics
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 …
Krill, Climate, And Contrasting Future Scenarios For Arctic And Antarctic Fisheries, Margaret M. Mcbride, Padmini Dalpadado, Kenneth F. Drinkwater, Olav Rune Godø, Alistair J. Hobday, Anne B. Hollowed, Trond Kristiansen, Eugene J. Murphy, Patrick H. Ressler, Sam Subbey, Eileen E. Hofmann, Harald Loeng
Krill, Climate, And Contrasting Future Scenarios For Arctic And Antarctic Fisheries, Margaret M. Mcbride, Padmini Dalpadado, Kenneth F. Drinkwater, Olav Rune Godø, Alistair J. Hobday, Anne B. Hollowed, Trond Kristiansen, Eugene J. Murphy, Patrick H. Ressler, Sam Subbey, Eileen E. Hofmann, Harald Loeng
CCPO Publications
Arctic and Antarcticmarine systems have incommon high latitudes, large seasonal changes in light levels, cold air and sea temperatures, and sea ice. In other ways, however, they are strikingly different, including their: age, extent, geological structure, ice stability, and foodweb structure. Both regions contain very rapidly warming areas and climate impacts have been reported, as have dramatic future projections. However, the combined effects of a changing climate on oceanographic processes and foodweb dynamics are likely to influence their future fisheries in very different ways. Differences in the life-history strategies of the key zooplankton species (Antarctic krill in the Southern Ocean …
Cyclostationary Empirical Orthogonal Function Sea-Level Reconstruction, B. D. Hamlington, R. R. Leben, M. W. Strassburg, K.-Y. Kim
Cyclostationary Empirical Orthogonal Function Sea-Level Reconstruction, B. D. Hamlington, R. R. Leben, M. W. Strassburg, K.-Y. Kim
CCPO Publications
Since 1993, satellite altimetry has provided accurate measurements of sea surface height with near-global coverage. These measurements led to the first definitive estimates of global mean sea-level (GMSL) rise and have improved understanding of how sea levels are changing regionally at decadal time scales. These relatively short records, however, provide no information about the state of the ocean prior to 1993, and with the modern altimetry record spanning only 20 years, the lower frequency signals that are known to be present in the ocean are difficult or impossible to resolve. Tide gauges, on the other hand, have measured sea level …