Raw PIES data for long-term observations of acoustic travel time (tau) and bottom pressure along the SAMBA transect at PIES P8 (October 2019 - September 2021)

Here we present raw bottom pressure and acoustic travel time data from a Pressure-equipped Inverted Echo Sounder (PIES) located at a depth of 4598m at location P8 (34.502°S; 00.001°E) along the South Atlantic MOC Basin-scale Array (SAMBA) transect in the Cape Basin region of the South Atlantic Ocean, between 06 October 2019 and 23 September 2021. In addition, the PIES was equipped with an internal temperature sensor. 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.