An initial estimate of the North Atlantic steady-state geostrophic circulation from GOCE

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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An initial estimate of the North Atlantic steady-state geostrophic circulation from GOCE. / Bingham, R.J.; Knudsen, Per; Andersen, Ole Baltazar; Pail, R.

In: Geophysical Research Letters, Vol. 38, No. 1, 2011, p. L01606.

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Bingham, R.J.; Knudsen, Per; Andersen, Ole Baltazar; Pail, R. / An initial estimate of the North Atlantic steady-state geostrophic circulation from GOCE.

In: Geophysical Research Letters, Vol. 38, No. 1, 2011, p. L01606.

Publication: Research - peer-reviewJournal article – Annual report year: 2011

Bibtex

@article{320e244c636d449faa97cae745a6cdc7,
title = "An initial estimate of the North Atlantic steady-state geostrophic circulation from GOCE",
publisher = "American Geophysical Union",
author = "R.J. Bingham and Per Knudsen and Andersen, {Ole Baltazar} and R. Pail",
year = "2011",
doi = "10.1029/2010GL045633",
volume = "38",
number = "1",
pages = "L01606",
journal = "Geophysical Research Letters",
issn = "0094-8276",

}

RIS

TY - JOUR

T1 - An initial estimate of the North Atlantic steady-state geostrophic circulation from GOCE

A1 - Bingham,R.J.

A1 - Knudsen,Per

A1 - Andersen,Ole Baltazar

A1 - Pail,R.

AU - Bingham,R.J.

AU - Knudsen,Per

AU - Andersen,Ole Baltazar

AU - Pail,R.

PB - American Geophysical Union

PY - 2011

Y1 - 2011

N2 - The GOCE satellite mission was launched in 2009 and the first gravity models were released in July 2010. Here we present an initial assessment of the GOCE data in terms of the mean circulation of the North Atlantic. We show that with just two months of data, the estimated circulation from GOCE is already superior to a similar estimate based on 8 years of GRACE observations. This result primarily depends on the fact that the GOCE mean dynamic topography (MDT) is generally less noisy than that obtained from the GRACE data. It therefore requires less smoothing and so there is less attenuation of the oceanographic signal. Our results provide a strong validation of the GOCE mission concept, and we anticipate further substantial improvements as the mission progresses. © 2011 by the American Geophysical Union.

AB - The GOCE satellite mission was launched in 2009 and the first gravity models were released in July 2010. Here we present an initial assessment of the GOCE data in terms of the mean circulation of the North Atlantic. We show that with just two months of data, the estimated circulation from GOCE is already superior to a similar estimate based on 8 years of GRACE observations. This result primarily depends on the fact that the GOCE mean dynamic topography (MDT) is generally less noisy than that obtained from the GRACE data. It therefore requires less smoothing and so there is less attenuation of the oceanographic signal. Our results provide a strong validation of the GOCE mission concept, and we anticipate further substantial improvements as the mission progresses. © 2011 by the American Geophysical Union.

U2 - 10.1029/2010GL045633

DO - 10.1029/2010GL045633

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 1

VL - 38

SP - L01606

ER -