SAMBA Datasets

This report covers all available SAMBA datasets.

Upper_Abyssal_Transport_Anomalies.txt

Dataset Overview

  • Project: South Atlantic MOC Basin-wide Array (SAMBA)

  • Description: SAMBA 34S transport estimates dataset

  • Source File: Upper_Abyssal_Transport_Anomalies.txt

  • Data Product: Daily volume transport anomaly estimates for the upper and abyssal cells of the MOC

  • License:

  • Time Coverage: 2013-09-12 to 2017-07-16

  • Record Length: 1,404 observations (3.8 years)

  • Sampling Frequency: daily

Distribution Statement:

Upper and abyssal cell transport data from the South Atlantic MOC Basin-wide Array (SAMBA) is made freely available to the public at: https://www.aoml.noaa.gov/phod/SAMOC_international/ in accordance with the SAMOC Data Sharing Policy. If you use these data, please make sure to cite the Kersalé et al. (2020) publication as it contains the appropriate credit for all of the data producers in the Acknowledgements.

Citation:

  1. Kersalé et al., Highly variable upper and abyssal overturning cells in the South Atlantic. Sci. Adv. 6, eaba7573 (2020). DOI: 10.1126/sciadv.aba7573

Acknowledgement:

SAMBA data were collected and made freely available by the SAMOC international project and contributing national programs.

Dataset Visualization

AMOC time series plot

Time series plot for UPPER_ABYSSAL_TRANSPORT_ANOMALIES.TXT dataset.

Dataset Statistics

  • Total Variables: 2

  • Total Coordinates: 1

  • Dataset Size: 0.03 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

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

(1404,)

2013-09-12

2017-07-16

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 %

Abyssal_cell_volume_transport_anomaly__relative_to_record_length_average_of_7_8_Sv → TRANS_ABYSSAL

abyssal-cell meridional overturning transport anomaly: Abyssal-cell volume transport anomaly (relative to record-length average of 7.8 Sv)

sverdrup

(1404,)

-19.09

24.00

0.0%

Upper_cell_volume_transport_anomaly__relative_to_record_length_average_of_17_3_Sv → TRANS_UPPER

upper-cell meridional overturning transport anomaly: Upper-cell volume transport anomaly (relative to record-length average of 17.3 Sv)

sverdrup

(1404,)

-50.28

52.69

0.0%

Metadata (edits applied noted)

The following metadata describes this dataset:

  • Summary: SAMBA 34S transport estimates dataset

  • Description*: SAMBA 34S transport estimates dataset

  • Program*: SAMBA

  • Project*: South Atlantic MOC Basin-wide Array (SAMBA)

  • Acknowledgment: SAMBA data were collected and made freely available by the SAMOC international project and contributing national programs.

  • Weblink*: https://www.aoml.noaa.gov/phod/samoc

  • Distribution Statement*: Upper and abyssal cell transport data from the South Atlantic MOC Basin-wide Array (SAMBA) is made freely available to the public at: https://www.aoml.noaa.gov/phod/SAMOC_international/ in accordance with the SAMOC Data Sharing Policy. If you use these data, please make sure to cite the Kersalé et al. (2020) publication as it contains the appropriate credit for all of the data producers in the Acknowledgements.

  • Platform: mooring

  • Platform Vocabulary: https://vocab.nerc.ac.uk/collection/L06/

  • Data Product*: Daily volume transport anomaly estimates for the upper and abyssal cells of the MOC

  • Time Coverage Start*: 2013-09-12

  • Time Coverage End*: 2017-07-16

  • Contributing Institutions:

  • Contributing Institutions Vocabulary:

  • Contributing Institutions Role:

  • Conventions*: CF-1.8, ACDD-1.3, OceanSITES-1.5

  • featureType*: timeSeries

  • featureType_vocabulary: https://cfconventions.org/cf-conventions/v1.6.0/cf-conventions.html#_features_and_feature_types

  • Source File*: Upper_Abyssal_Transport_Anomalies.txt

  • Source Path*: ~/.amocatlas_data/Upper_Abyssal_Transport_Anomalies.txt

  • Source Url*: ftp://ftp.aoml.noaa.gov/phod/pub/SAM/2020_Kersale_etal_ScienceAdvances/

  • Date Modified: 2026-08-01T00:00:00Z

  • Processing Software: http://github.com/AMOCcommunity/amocatlas

  • Processing Version: v0.4.0

  • Processing Datasource*: samba34s

  • Applied Variable Mapping: [Complex metadata structure - 2 items]

  • Original Variable Mapping: [Complex metadata structure - 2 items]

  • Sanitization Mapping: [Complex metadata structure - 7 items]

MOC_TotalAnomaly_and_constituents.asc

Dataset Overview

  • Project: South Atlantic MOC Basin-wide Array (SAMBA)

  • Description: SAMBA 34S transport estimates dataset

  • Source File: MOC_TotalAnomaly_and_constituents.asc

  • Data Product: Daily travel time values, calibrated to a nominal pressure of 1000 dbar, and bottom pressures from the two PIES/CPIES moorings

  • License:

  • Time Coverage: 2009-03-19 to 2017-04-29

  • Record Length: 2,964 observations (8.1 years)

  • Sampling Frequency: daily

Distribution Statement:

MOC transport data from the South Atlantic MOC Basin-wide Array (SAMBA) is made freely available to the public at: https://www.aoml.noaa.gov/phod/SAMOC_international/ . If you use data from SAMBA, please make sure to cite the Meinen et al. (2018) publication as it contains the appropriate credit for all of the data producers in the Acknowledgements.

Citation:

Meinen, C. S., Speich, S., Piola, A. R., Ansorge, I., Campos, E., Kersalé, M., et al. (2018). Meridional overturning circulation transport variability at 34.5°S during 2009–2017: Baroclinic and barotropic flows and the dueling influence of the boundaries. Geophysical Research Letters, 45, 4180–4188. https://doi.org/10.1029/2018GL077408

Acknowledgement:

SAMBA data were collected and made freely available by the SAMOC international project and contributing national programs.

Dataset Visualization

AMOC time series plot

Time series plot for MOC_TOTALANOMALY_AND_CONSTITUENTS.ASC dataset.

Dataset Statistics

  • Total Variables: 8

  • Total Coordinates: 1

  • Dataset Size: 0.20 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

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

(2964,)

2009-03-19

2017-04-29

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 %

Total_MOC_anomaly__relative_to_record_length_average_of_14_7_Sv → MOC_ANOM

meridional overturning transport anomaly: MOC Total Anomaly (relative to record-length average of 14.7 Sv)

sverdrup

(2964,)

-25.89

28.72

34.0%

Ekman__wind__contribution_to_the_MOC_anomaly → TRANS_EKMAN

meridional overturning transport anomaly, Ekman (wind) contribution: Ekman (wind) contribution to the MOC anomaly

sverdrup

(2964,)

-15.65

20.30

34.0%

Reference__bottom_pressure_gradient__contribution_to_the_MOC_anomaly → TRANS_REFERENCE

meridional overturning transport anomaly, reference (bottom-pressure-gradient) contribution: Reference (bottom pressure gradient) contribution to the MOC anomaly

sverdrup

(2964,)

-12.14

20.58

34.0%

Eastern_bottom_pressure_contribution_to_the_MOC_anomaly → TRANS_REFERENCE_EAST

meridional overturning transport anomaly, eastern-boundary bottom-pressure contribution: Eastern bottom pressure contribution to the MOC anomaly

sverdrup

(2964,)

-12.93

11.15

34.0%

Western_bottom_pressure_contribution_to_the_MOC_anomaly → TRANS_REFERENCE_WEST

meridional overturning transport anomaly, western-boundary bottom-pressure contribution: Western bottom pressure contribution to the MOC anomaly

sverdrup

(2964,)

-13.60

21.73

34.0%

Relative__density_gradient__contribution_to_the_MOC_anomaly → TRANS_RELATIVE

meridional overturning transport anomaly, relative (density-gradient) contribution: Relative (density gradient) contribution to the MOC anomaly

sverdrup

(2964,)

-19.69

16.51

34.0%

Eastern_density_contribution_to_the_MOC_anomaly → TRANS_RELATIVE_EAST

meridional overturning transport anomaly, eastern-boundary density contribution: Eastern density contribution to the MOC anomaly

sverdrup

(2964,)

-16.67

13.94

34.0%

Western_density_contribution_to_the_MOC_anomaly → TRANS_RELATIVE_WEST

meridional overturning transport anomaly, western-boundary density contribution: Western density contribution to the MOC anomaly

sverdrup

(2964,)

-16.32

6.87

34.0%

Metadata (edits applied noted)

The following metadata describes this dataset:

  • Summary: SAMBA 34S transport estimates dataset

  • Description*: SAMBA 34S transport estimates dataset

  • Program*: SAMBA

  • Project*: South Atlantic MOC Basin-wide Array (SAMBA)

  • Acknowledgment: SAMBA data were collected and made freely available by the SAMOC international project and contributing national programs.

  • Weblink*: https://www.aoml.noaa.gov/phod/samoc

  • Distribution Statement*: MOC transport data from the South Atlantic MOC Basin-wide Array (SAMBA) is made freely available to the public at: https://www.aoml.noaa.gov/phod/SAMOC_international/ . If you use data from SAMBA, please make sure to cite the Meinen et al. (2018) publication as it contains the appropriate credit for all of the data producers in the Acknowledgements.

  • Platform: mooring

  • Platform Vocabulary: https://vocab.nerc.ac.uk/collection/L06/

  • Data Product*: Daily travel time values, calibrated to a nominal pressure of 1000 dbar, and bottom pressures from the two PIES/CPIES moorings

  • Time Coverage Start*: 2009-03-19

  • Time Coverage End*: 2017-04-29

  • Contributing Institutions:

  • Contributing Institutions Vocabulary:

  • Contributing Institutions Role:

  • Conventions*: CF-1.8, ACDD-1.3, OceanSITES-1.5

  • featureType*: timeSeries

  • featureType_vocabulary: https://cfconventions.org/cf-conventions/v1.6.0/cf-conventions.html#_features_and_feature_types

  • Source File*: MOC_TotalAnomaly_and_constituents.asc

  • Source Path*: ~/.amocatlas_data/MOC_TotalAnomaly_and_constituents.asc

  • Source Url*: https://www.aoml.noaa.gov/phod/SAMOC_international/documents/

  • Date Modified: 2026-08-01T00:00:00Z

  • Processing Software: http://github.com/AMOCcommunity/amocatlas

  • Processing Version: v0.4.0

  • Processing Datasource*: samba34s

  • Applied Variable Mapping: [Complex metadata structure - 8 items]

  • Original Variable Mapping: [Complex metadata structure - 8 items]

  • Sanitization Mapping: [Complex metadata structure - 12 items]