Wett, Simon; Rhein, Monika; Kieke, Dagmar; Mertens, Christian; Moritz, Martin; Nowitzki, Hannah (2023): Basin-wide AMOC volume transport from the NOAC array at 47°N in the subpolar North Atlantic (1993-2018) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.959558
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Published: 2023-08-04 • DOI registered: 2023-08-22
Abstract:
We present an observational estimate for the basin-wide AMOC volume transports (1993-2018) from measurements of the North Atlantic Changes (NOAC) array at 47°N. We combine transport estimates from the NOAC array, published in Moritz et al. (2021), Nowitzki et al. (2021) and Rhein et al. (2019) with hydrography from the ARMOR3D observational data set. The transport time series are extended back until 1993, using the relation between geostrophic transports and sea surface height (SSH), obtained from satellite altimetry. The resulting transport time series are combined to yield the basin-wide AMOC estimate. Here, we provide the timeseries in monthly resolution and low-pass filtered using a 4th order Butterworth filter with a cutoff period of 2 years.
Supplement to:
Wett, Simon; Rhein, Monika; Kieke, Dagmar; Mertens, Christian; Moritz, Martin (2023): Meridional Connectivity of a 25‐Year Observational AMOC Record at 47°N. Geophysical Research Letters, 50(16), e2023GL103284, https://doi.org/10.1029/2023GL103284
References:
Multi Observation Global Ocean 3D Temperature Salinity Height Geostrophic Current and MLD (2020). Mercator Ocean International, https://doi.org/10.48670/MOI-00052
Mertens, Christian; Rhein, Monika; Walter, Maren; Böning, Claus W; Behrens, Erik; Kieke, Dagmar; Steinfeldt, Reiner; Stöber, Uwe (2014): Circulation and transports in the Newfoundland Basin, western subpolar North Atlantic. Journal of Geophysical Research: Oceans, 119(11), 7772-7793, https://doi.org/10.1002/2014JC010019
Moritz, Martin; Jochumsen, Kerstin; Kieke, Dagmar; Klein, Birgit; Klein, Holger; Köllner, Manuela; Rhein, Monika (2021): Current meter measurement data and volume transport time series from deep-sea moorings deployed in the North Atlantic Eastern Boundary (EB) region at Goban Spur [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.932566
Moritz, Martin; Jochumsen, Kerstin; Kieke, Dagmar; Klein, Birgit; Klein, Holger; Köllner, Manuela; Rhein, Monika (2021): Volume Transport Time Series and Variability of the North Atlantic Eastern Boundary Current at Goban Spur. Journal of Geophysical Research: Oceans, 126(9), e2021JC017393, https://doi.org/10.1029/2021JC017393
Nowitzki, Hannah; Rhein, Monika; Roessler, Achim; Kieke, Dagmar; Mertens, Christian (2020): Absolute baroclinic PIES transport expanded with satellite altimetry [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.925089
Nowitzki, Hannah; Rhein, Monika; Roessler, Achim; Kieke, Dagmar; Mertens, Christian (2021): Trends and transport variability of the circulation in the subpolar eastern North Atlantic. Journal of Geophysical Research: Oceans, e2020JC016693, https://doi.org/10.1029/2020JC016693
Rhein, Monika; Mertens, Christian; Roessler, Achim (2019): Lowered ADCP, current meter data and PIES time series measurements in the western subpolar North Atlantic (47°N) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.903211
Rhein, Monika; Mertens, Christian; Roessler, Achim (2019): Observed transport decline at 47°N, western Atlantic. Journal of Geophysical Research: Oceans, 124(7), 4875-4890, https://doi.org/10.1029/2019JC014993
Roessler, Achim; Rhein, Monika; Kieke, Dagmar; Mertens, Christian (2015): Long-term observations of North Atlantic Current transport at the gateway between western and eastern Atlantic. Journal of Geophysical Research: Oceans, 120(6), 4003-4027, https://doi.org/10.1002/2014JC010662
Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 221211316: GRK/IRTG 1904: ArcTrain - Processes and impacts of climate change in the North Atlantic Ocean and the Canadian Arctic
Coverage:
Median Latitude: 47.000000 * Median Longitude: -45.000000 * South-bound Latitude: 47.000000 * West-bound Longitude: -60.000000 * North-bound Latitude: 47.000000 * East-bound Longitude: -30.000000
Date/Time Start: 1993-01-01T00:00:00 * Date/Time End: 2018-01-01T00:00:00
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DATE/TIME | Date/Time | Wett, Simon | Geocode | ||
| 2 | Transport, volumetric | Trans vol | Sv | Wett, Simon | ||
| 3 | Transport, volumetric | Trans vol | Sv | Wett, Simon | Low-pass filtered |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
602 data points