Oceanwide Precise Determination of Sea Surface Height from In-Situ Measurements on Cargo Ships

Thanks to the latest developments in GNSS data processing the antenna heights aboard a ship can be determined with accuracies of up to 5 cm, also in the open ocean. These heights are a good basis to derive precise in-situ data of sea surface heights independently from satellite altimetry. However, f...

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Bibliographic Details
Published in:Marine geodesy 2014-01, Vol.37 (1), p.77-96
Main Authors: Roggenbuck, Ole, Reinking, Jörg, Härting, Alexander
Format: Article
Language:English
Subjects:
Altimeters
Antennas
Data processing
Fluid dynamics
Fluid mechanics
GNSS
Hydrostatics
In-Situ
Marine
Measurement
Oceans
Oceanwide
Pacific Ocean
Satellites
Sea Surface Heights
Ship
Ships
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Summary:Thanks to the latest developments in GNSS data processing the antenna heights aboard a ship can be determined with accuracies of up to 5 cm, also in the open ocean. These heights are a good basis to derive precise in-situ data of sea surface heights independently from satellite altimetry. However, for a reliable determination of sea surface heights, some essential hydrostatic and hydrodynamic corrections must be considered, as explained in this paper. Furthermore, an ocean wide determination of sea surface height from measurements on a container ship in the Pacific Ocean is presented. The results are compared with those from the Jason-2 altimeter.
ISSN:0149-0419
1521-060X
DOI:10.1080/01490419.2013.868385