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Towards measuring the meridional overturning circulation from space

Towards measuring the meridional overturning circulation from space
Towards measuring the meridional overturning circulation from space
We present a step towards measuring the meridional overturning circulation (MOC), i.e. the full-depth water mass transport, in the North Atlantic using satellite data. Using the Parallel Ocean Climate Model, we simulate satellite observations of ocean bottom pressure and sea surface height (SSH) over the 20-year period from 1979–1998, and use a linear model to estimate the MOC. As much as 93.5% of the variability in the smoothed transport is thereby explained. This increases to 98% when SSH and bottom pressure are first smoothed. We present initial studies of predicting the time evolution of the MOC, with promising results. It should be stressed that this is an initial step only, and that to produce an actual working system for measuring the MOC from space would require considerable future work.
1812-0792
223-228
Cromwell, D.
29efcc84-7f42-4fec-921c-18115a22be9a
Shaw, A.G.P.
4afa8737-18d4-4c88-98a4-55572fb51562
Challenor, P.
a7e71e56-8391-442c-b140-6e4b90c33547
Houseago-Stokes, R.E.
94dbc21a-f332-4fb6-a34c-4ef23cb85318
Tokmakian, R.
24725fe1-bc84-4c24-ac3b-b3fd1c230831
Cromwell, D.
29efcc84-7f42-4fec-921c-18115a22be9a
Shaw, A.G.P.
4afa8737-18d4-4c88-98a4-55572fb51562
Challenor, P.
a7e71e56-8391-442c-b140-6e4b90c33547
Houseago-Stokes, R.E.
94dbc21a-f332-4fb6-a34c-4ef23cb85318
Tokmakian, R.
24725fe1-bc84-4c24-ac3b-b3fd1c230831

Cromwell, D., Shaw, A.G.P., Challenor, P., Houseago-Stokes, R.E. and Tokmakian, R. (2007) Towards measuring the meridional overturning circulation from space. Ocean Science, 3 (2), 223-228.

Record type: Article

Abstract

We present a step towards measuring the meridional overturning circulation (MOC), i.e. the full-depth water mass transport, in the North Atlantic using satellite data. Using the Parallel Ocean Climate Model, we simulate satellite observations of ocean bottom pressure and sea surface height (SSH) over the 20-year period from 1979–1998, and use a linear model to estimate the MOC. As much as 93.5% of the variability in the smoothed transport is thereby explained. This increases to 98% when SSH and bottom pressure are first smoothed. We present initial studies of predicting the time evolution of the MOC, with promising results. It should be stressed that this is an initial step only, and that to produce an actual working system for measuring the MOC from space would require considerable future work.

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Published date: 2007

Identifiers

Local EPrints ID: 46041
URI: https://eprints.soton.ac.uk/id/eprint/46041
ISSN: 1812-0792
PURE UUID: ac2f98b4-ed9d-4e27-8217-95f70d6e7c97

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Date deposited: 15 May 2007
Last modified: 13 Mar 2019 21:04

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Contributors

Author: D. Cromwell
Author: A.G.P. Shaw
Author: P. Challenor
Author: R.E. Houseago-Stokes
Author: R. Tokmakian

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