SAMBA Datasets

Generated: |today|

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

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

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

  • Sampling Frequency: daily

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

datetime64[ns]

(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 → ABYSSAL_TRANSPORT

Abyssal Transport: 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 → UPPER_TRANSPORT

Upper Transport: 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 provides comprehensive information about this dataset:

  • Summary: SAMBA 34S transport estimates dataset

  • Description*: SAMBA 34S transport estimates dataset

  • Program*: SAMBA

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

  • License*: CC-BY-4.0

  • 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

  • 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: 2026-02-01T00:00:00Z

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

  • Processing Version: v0.2.0

  • Processing Datasource*: samba34s

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

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

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

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

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

  • Comment*: (Note: date_modified has been set to a canonical value for documentation generation to avoid git churn)

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

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

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

  • Sampling Frequency: daily

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

datetime64[ns]

(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 %

Reference__bottom_pressure_gradient__contribution_to_the_MOC_anomaly → BAROTROPIC_MOC

Barotropic Trans. anom.: 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 → EASTERN_BOT_PRESSURE

BP East Transport: Eastern bottom pressure contribution to the MOC anomaly

Sverdrup

(2964,)

-12.93

11.15

34.0%

Eastern_density_contribution_to_the_MOC_anomaly → EASTERN_DENSITY

** ho East Transport**: Eastern density contribution to the MOC anomaly

Sverdrup

(2964,)

-16.67

13.94

34.0%

Ekman__wind__contribution_to_the_MOC_anomaly → EKMAN

Ekman: Ekman (wind) contribution to the MOC anomaly

Sverdrup

(2964,)

-15.65

20.30

34.0%

Total_MOC_anomaly__relative_to_record_length_average_of_14_7_Sv → MOC

MOC_z: MOC Total Anomaly (relative to record-length average of 14.7 Sv)

Sverdrup

(2964,)

-25.89

28.72

34.0%

Relative__density_gradient__contribution_to_the_MOC_anomaly → RELATIVE_MOC

Geos. Trans. Anom.: Relative (density gradient) contribution to the MOC anomaly

Sverdrup

(2964,)

-19.69

16.51

34.0%

Western_bottom_pressure_contribution_to_the_MOC_anomaly → WESTERN_BOT_PRESSURE

BP West Transport: Western bottom pressure contribution to the MOC anomaly

Sverdrup

(2964,)

-13.60

21.73

34.0%

Western_density_contribution_to_the_MOC_anomaly → WESTERN_DENSITY

** ho West Transport**: Western density contribution to the MOC anomaly

Sverdrup

(2964,)

-16.32

6.87

34.0%

Metadata (edits applied noted)

The following metadata provides comprehensive information about this dataset:

  • Summary: SAMBA 34S transport estimates dataset

  • Description*: SAMBA 34S transport estimates dataset

  • Program*: SAMBA

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

  • License*: CC-BY-4.0

  • 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

  • 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: 2026-02-01T00:00:00Z

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

  • Processing Version: v0.2.0

  • Processing Datasource*: samba34s

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

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

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

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

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

  • Comment*: (Note: date_modified has been set to a canonical value for documentation generation to avoid git churn)