Instrument: CTD Sea-Bird 911

Instrument Short Name: CTD SBE 911
Instrument Description:

The Sea-Bird SBE 911 is a type of CTD instrument package. The SBE 911 includes the SBE 9 Underwater Unit and the SBE 11 Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9 and SBE 11 is called a SBE 911. The SBE 9 uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 and SBE 4). The SBE 9 CTD can be configured with auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorescence, light (PAR), light transmission, etc.). More information from Sea-Bird Electronics.

PI supplied instrument name: CTD Seabird 911
Dataset-specific description

CTD-related instrumentation consisted of:

- a Seabird Electronics (SBE) 911plus CTD with:

- SBE-5 pumped SBE-3 temperature, SBE-4 conductivity and SBE-43 dissolved oxygen


- SBE-5 pumped secondary SBE-3 temperature and SBE-4 conductivity sensors.

- Seapoint Sensors, Inc. SCF chlorophyll fluorometer.

- 25-cm Wetlabs C-star transmissometer.

- Biosherical Instruments Inc. photosynthetic ally active radiation (PAR) sensor, model


- Datasonics sonar altimeter, model PSA-900D.

- a SBE 32 24x10-litre Carousel water sampler.

- Ocean Test Equipment Standard BES external-spring Niskin-type water-sampling bottles.

- Salinity sample bottles.

- CTD winch with 10-km 10.5-mm single-core seacable.