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More Accurate and Faster Available CHAMP and GRACE Gravity Fields for the User Community Read chapter Read first chapter

2010 | OriginalPaper | Chapter

Using ARGO, GRACE and Altimetry Data to Assess the Quasi Stationary North Atlantic Circulation

Authors : Falk Richter, Dimitry Sidorenko, Sergey Danilov, Jens Schröter

Published in: System Earth via Geodetic-Geophysical Space Techniques

Publisher: Springer Berlin Heidelberg

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Abstract

We analyse the North Atlantic circulation by combining data from ARGO profiling buoys and satellite altimetry measurements into an inverse finite-element ocean circulation model. The model solution is consistent with ocean dynamics and approximate conservation of temperature and salinity. The ocean circulation is analysed separately for the years 2005 and 2006. Temperature and salinity fields found as solution are close to ARGO data and correspond to a large-scale ocean circulation with a surface elevation close to the altimeter measurements. Numerical experiments carried out with and without use of the altimetric data are discussed. Including altimetry is shown to improve the model solutions, in particular, producing more realistic heat transports. The analysed temperature and salinity fields that minimize the model/data misfit are discussed. It is found that both types of observations are to a large extent complementary to each other.

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previous chapter Sea Level Rise in North Atlantic Derived from Gap Filled Tide Gauge Stations of the PSMSL Data Set
next chapter A 15-Year Reconstruction of Sea Level Anomalies Using Radar Altimetry and GPS-Corrected Tide Gauge Data
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Metadata
Title
Using ARGO, GRACE and Altimetry Data to Assess the Quasi Stationary North Atlantic Circulation
Authors
Falk Richter
Dimitry Sidorenko
Sergey Danilov
Jens Schröter
Copyright Year
2010
Publisher
Springer Berlin Heidelberg
Book
System Earth via Geodetic-Geophysical Space Techniques

Print ISBN: 978-3-642-10227-1

Electronic ISBN: 978-3-642-10228-8

Copyright Year: 2010

DOI
https://doi.org/10.1007/978-3-642-10228-8_29

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