Long-term observations of hourly currents measured by DVS at SAMBA Mooring 9, December 2015 - April 2017 ...

The South African component of the international South Atlantic Meridional Overturning Circulation project (SAMOC-SA) aims to characterise the time-mean and time-varying components of the SAMOC in the South Atlantic Ocean and monitor the variability of the main Southern Ocean frontal systems associa...

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Bibliographic Details
Main Authors: Tarron Lamont, Marcel van den Berg
Format: Dataset
Language:English
Published: Department of Forestry, Fisheries and the Environment 2021
Subjects:
-1569.0
-2669.0
m
Mean sea level
completed
license
oceans
South Atlantic Meridional Overturning Circulation SAMOC-SA
SOUTH ATLANTIC OCEAN
South Atlantic Meridional Overturning Circulation Basin-wide Array
SAMBA
South Atlantic Ocean
Cape Basin
moorings
Doppler Volume Sampler
DVS
currents
WGS 84
textTable
Antarc*
Antarctic
Southern Ocean
Online Access:https://dx.doi.org/10.15493/dea.mims.20210332
https://api.odp.saeon.ac.za/catalog/MIMS/go/10.15493/DEA.MIMS.20210332
Description
Summary:The South African component of the international South Atlantic Meridional Overturning Circulation project (SAMOC-SA) aims to characterise the time-mean and time-varying components of the SAMOC in the South Atlantic Ocean and monitor the variability of the main Southern Ocean frontal systems associated with the Antarctic Circumpolar Current (ACC), south of Africa. Here we present processed magnitude and direction of hourly currents in the water column (1569 - 2669m) from DVS instruments located at Mooring 9 (34.50017°S; 17.1394°E) along the South Atlantic MOC Basin-scale Array (SAMBA) transect in the Cape Basin region of the South Atlantic Ocean, between 02 December 2015 and 08 April 2017. ... : Subsurface-mounted, upward-looking, 2400 kHz RD Instruments Doppler Volume Samplers (DVS) were configured with a bin size of 0.8m and a blanking distance of 0.3m, and deployed in the water column (1569 - 2669m) at location M9 (34.50017°S; 17.1394°E), along the South Atlantic MOC Basin-scale Array (SAMBA) transect in the Cape Basin region of the South Atlantic Ocean. The instrument measured hourly magnitude and direction in the water column between 02 December 2015 21h00 and 08 April 2017 12h00. These hourly values were corrected for magnetic declination, and only hourly values which showed ≥ 75% good beam data were used. ...

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