SCOTIA Datasets

SCOTIA_overturning_diagnostics.nc

Dataset Overview

  • Project: SCOTIA

  • Description: Monthly overturning diagnostics of the Scotland-Canada overturning array (SCOTIA), computed in neutral-density space across the subpolar North Atlantic

  • Source File: SCOTIA_overturning_diagnostics.nc

  • Data Product: Monthly overturning diagnostics of the Scotland-Canada overturning array in neutral-density (gamma-n) space

  • License: CC-BY-4.0

  • Time Coverage: 2004-01-15 to 2024-06-15

  • Record Length: 246 observations (20.4 years)

  • Sampling Frequency: monthly

Citation:

Jones, S. C., Fox, A., Burmeister, K., & Fraser, N. (2026). Code and data for “The Scotland-Canada overturning array (SCOTIA)” [Data set]. Zenodo. https://doi.org/10.5281/zenodo.19682610

Acknowledgement:

The authors request that Fox et al. (2026) be cited alongside this dataset.

Dataset Visualization

AMOC time series plot

Time series plot for SCOTIA dataset.

Dataset Statistics

  • Total Variables: 7

  • Total Coordinates: 2

  • Dataset Size: 7.53 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 %

gamma_n_binGAMMA

neutral density

kg m-3

(2000,)

10.00

29.99

0.0%

timeTIME

Time

seconds since 1970-01-01T00:00:00Z

(246,)

2004-01-15

2024-06-15

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 %

dfDENSITY_FLUX

northward density flux across line: Northward density flux across the SCOTIA section (integral of the streamfunction in density)

Gg s-1

(246,)

-13.94

-0.61

0.0%

gamma_mocGAMMA_MOC

neutral density at overturning maximum: Neutral density at which the maximum of the overturning streamfunction occurs

kg m-3

(246,)

27.62

27.95

0.0%

ffMFT

northward ocean freshwater transport: Northward freshwater flux across the SCOTIA section, referenced to the section-mean salinity

sverdrup

(246,)

-0.63

-0.24

0.0%

hfMHT

northward ocean heat transport: Northward heat flux across the SCOTIA section

PW

(246,)

0.32

0.77

0.0%

mocMOC_GAMMA

meridional overturning circulation: Maximum over neutral density of the overturning streamfunction

sverdrup

(246,)

7.18

29.44

0.0%

psiPSI_GAMMA

ocean meridional overturning streamfunction: Overturning streamfunction across the SCOTIA section, cumulative in neutral density

sverdrup

(246, 2000)

-8.26

29.44

0.0%

transportTRANS_GAMMA

sea water volume transport across line by neutral density class: Sea water volume transport within each neutral-density class across the SCOTIA section

sverdrup

(246, 2000)

-3.56

2.87

0.0%

Metadata (edits applied noted)

The following metadata describes this dataset: