Long-term observations of hourly currents at SAMBA Mooring 4 (October 2018 - September 2020)

Here we present processed magnitude and direction of hourly currents in the upper part of the water column (36.94 - 292.94m) from an Acoustic Doppler Current Profiler (ADCP) located at a depth of 320m at M4 (34.2950°S; 17.8802°E) along the South Atlantic Meridional Overturning Circulation (MOC) Basin-scale Array (SAMBA) transect in the Cape Basin region of the South Atlantic Ocean, between 09 October 2018 and 29 September 2020. 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.