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Flanking Subsurface Mooring A (GA03FLMA)

The Argentine Basin array has two identical Flanking Moorings that make up the equidistant sides of a triangle of Moorings (62 km) from the co-located Profiler and Surface Moorings.  They are located in 5,200 meters of water along the Brazil Current in the South Atlantic.  The triangular configuration moorings provide unique spatial array through which instruments fixed to moorings continuously collect data through time and gliders sample the area between the moorings. The Argentine Basin site is one of four high latitude open ocean locations in the OOI that provide observations to gain better insight into global ocean circulation and climate.

Like other Flanking Subsurface Moorings, the Argentine Basing Flanking Subsurface Moorings contain instruments fixed at specific depths along the mooring riser throughout the water column to a depth of 1,500 meters. The flotation buoy for these subsurface moorings is located 30 meters below the sea surface. As they have no surface expression, these moorings communicate and send data to shore via an acoustic link to nearby gliders.

Site Diagram

Water Depth
5,200 meters

Site Location
42.4921°S, 42.8802°W

Instruments

This site includes following instruments. To learn more about an instrument type, select its name on the left. To see the relevant data streams for a particular instrument, select the instrument code in the first column which will take you to the OOI Data Portal.

Instrument Depth Node Instrument Series Make & Model
GA03FLMA-RIS01-05-FLORTD000 30m Mooring Riser 3-Wavelength Fluorometer (FLORTD) WET Labs - ECO Triplet-w
GA03FLMA-RIM01-02-CTDMOG040 30m Mooring Riser CTD (30 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIS01-03-DOSTAD000 30m Mooring Riser Dissolved Oxygen (DOSTAD) Aanderaa - Optode 4831
GA03FLMA-RIS01-00-SIOENG000 30m Mooring Riser Platform Controller (SIOENG) SIO - Subsurface mooring controller
GA03FLMA-RIS01-04-PHSENF000 30m Mooring Riser Seawater pH (PHSENF) Sunburst - SAMI-pH
GA03FLMA-RIM01-02-CTDMOG041 40m Mooring Riser CTD (40 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOG042 60m Mooring Riser CTD (60 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOG043 90m Mooring Riser CTD (90 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOG044 130m Mooring Riser CTD (130 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOG045 180m Mooring Riser CTD (180 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOG046 250m Mooring Riser CTD (250 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOG047 350m Mooring Riser CTD (350 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOG048 500m Mooring Riser CTD (500 m) (CTDMOG) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-ADCPSL003 500m Mooring Riser Velocity Profiler (75 kHz) (ADCPSL) Teledyne RDI - WorkHorse LongRanger Sentinel 75khz - inductive
GA03FLMA-RIM01-02-CTDMOH049 750m Mooring Riser CTD (750 m) (CTDMOH) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOH050 1,000m Mooring Riser CTD (1000 m) (CTDMOH) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-02-CTDMOH051 1,500m Mooring Riser CTD (1500 m) (CTDMOH) Sea-Bird - SBE 37IM
GA03FLMA-RIM01-00-SIOENG000 1,510m Mooring Riser Platform Controller (SIOENG) SIO - Subsurface mooring controller