Atmospheric pressure corrections in geodesy and oceanography: A strategy for handling air tides

Global pressure data are often needed for processing or interpreting modern geodetic and oceanographic measurements. The most common source of these data is the analysis or reanalysis products of various meteorological centers. Tidal signals in these products can be problematic for several reasons,...

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Bibliographic Details
Published in:Geophysical research letters 2002-12, Vol.29 (24), p.6-1-6-4
Main Authors: Ponte, Rui M., Ray, Richard D.
Format: Article
Language:English
Subjects:
Atmospheric tides
Geodesy
Geophysics
GRACE (experiment)
Handling
Marine
Sampling
Satellites
Strategy
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Summary:Global pressure data are often needed for processing or interpreting modern geodetic and oceanographic measurements. The most common source of these data is the analysis or reanalysis products of various meteorological centers. Tidal signals in these products can be problematic for several reasons, including potentially aliased sampling of the semidiurnal solar tide as well as the presence of various modeling or timing errors. Building on the work of Van den Dool and colleagues, we lay out a strategy for handling atmospheric tides in (re)analysis data. The procedure also offers a method to account for ocean loading corrections in satellite altimeter data that are consistent with standard ocean‐tide corrections. The proposed strategy has immediate application to the on‐going Jason‐1 and GRACE satellite missions.
ISSN:0094-8276
1944-8007
DOI:10.1029/2002GL016340