FW2015 Datasets

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MOCproxy_for_figshare_v1.mat

Dataset Overview

  • Project: RAPID

  • Description: Estimating the Atlantic overturning at 26°N using satellite altimetry and cable measurements

  • Source File: MOCproxy_for_figshare_v1.mat

  • Data Product: a proxy for the meridional overturning circulation at 26N, using sea level anomaly and cable measurements

  • Time Coverage: 1993-01-15 to 2014-12-15

  • Record Length: 264 observations (21.9 years)

  • Sampling Frequency: monthly

Citation:

Frajka-Williams, E. (2015), Estimating the Atlantic overturning at 26°N using satellite altimetry and cable measurements. Geophys. Res. Lett., 42, 3458–3464. doi: http://doi.org/10.1002/2015GL063220.

Dataset Visualization

AMOC time series plot

Time series plot for FW2015 dataset.

Dataset Statistics

  • Total Variables: 11

  • Total Coordinates: 1

  • Dataset Size: 0.02 MB

Coordinate Information

The following table shows information about the dataset coordinates in the standardised version, including coordinate name remapping from the original, if any:

Coordinate

Description

Units

Size

Min Value

Max Value

Missing %

time → TIME

Time

datetime64[ns]

(264,)

1993-01-15

2014-12-15

0.0%

Variable Information

The following table shows the mapping from original variable names to standardized names, along with key statistics for each variable.

Variable

Description

Units

Size

Min Value

Max Value

Missing %

moc → MOC

MOC_z: The meridional overturning circulation at 26N or, the volume of water moving northward in the top (roughly) 1100 m of the ocean which is equal-and-opposite-to the volume of water moving southward below this depth.

Sverdrup

(264,)

12.98

19.95

61.0%

mocproxy → MOC_PROXY

MOC_z proxy: a proxy for the meridional overturning circulation at 26N, using sea level anomaly and cable measurements

Sverdrup

(264,)

13.21

20.54

10.2%

h1umo → SSHA

SSHA near 28N, 70W: sea level anomaly from a spatially-smoothed and temporally filtered version of the AVISO mapped absolute dynamic topography product and selected near 28N, 70W in the Atlantic, at the point with the highest anticorrelation between the upper mid-ocean transport measured by the RAPID-MOCHA project and sea level anomaly

cm

(264,)

-3.17

6.12

10.2%

unadw → TRANS_1100_3000

Upper NADW: The upper North Atlantic Deep water transport or mid-ocean transport between the Bahamas and Africa and between the depth layers of 1100 m and 3000 m.

Sverdrup

(264,)

-12.89

-10.79

61.0%

lnadw → TRANS_3000_5000

Lower NADW: The lower North Atlantic Deep water transport or mid-ocean transport between the Bahamas and Africa and between the depth layers of 3000 m and 5000 m.

Sverdrup

(264,)

-8.34

-3.21

61.0%

ek → TRANS_EKMAN

Ekman: Surface meridional (north-south) Ekman transport as estimated from ERA-Interim reanalysis winds.

Sverdrup

(264,)

1.64

5.11

6.1%

ek_grid → TRANS_EKMAN__GRID

Ekman: Surface meridional (north-south) Ekman transport as estimated from ERA-Interim reanalysis winds.

Sverdrup

(264,)

1.97

4.42

61.0%

gs → TRANS_FC

Florida Current: The strength of the Gulf Stream transport through the Florida Straits between Florida and Bahamas, as measured by a submarine telephone cable.

Sverdrup

(264,)

30.19

34.61

3.8%

gs_grid → TRANS_FC_GRID

Florida Current: The strength of the Gulf Stream transport through the Florida Straits between Florida and Bahamas, as measured by a submarine telephone cable.

Sverdrup

(264,)

30.61

32.13

61.0%

umo → TRANS_UMO

Upper mid-ocean: The strength of the upper mid-ocean transport between the Bahamas and Africa at 26N, in the top (roughly) 1100 m of the ocean.

Sverdrup

(264,)

-20.18

-15.31

61.0%

umoproxy → TRANS_UMO_PROXY

UMO proxy: a proxy for the upper mid-ocean transport based on the linear regression between recon.h1umo and mocgrid.umo

Sverdrup

(264,)

-19.51

-15.16

10.2%

Metadata (edits applied noted)

The following metadata provides comprehensive information about this dataset: