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Bottle sampling depths.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
The CalCOFI CTD-rosette is equipped with a Sea-Bird Electronic carousel water sampler (SBE 32), a computer-driven, electro-magnetically-released latch system. The 24 ten-liter plastic (PVC) bottles, equipped with epoxy-coated ...
CTD General Practices: System Description, Deployment, Data Aquisition, & Maintenance.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
Since 1993, the CalCOFI program has deployed a Seabird 911 CTD mounted on a 24-bottle rosette during seasonal, quarterly cruises off California. The CTD-rosette is lowered into the ocean to 515m, depth-permitting, on 75 ...
CTD Setup & Diagnostics: Seabird CTD-Carousel Setup & Deck Unit Diagnostics.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
SIO-CalCOFI’s method of terminating the sea cable uses a custom 4-pin pigtail to terminate a multi-strand conductive wire that allows each individual conductor to be used in any combination. Terminating the sea cable using ...
ISUS Nitrate sensor.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2015)
Since November 2004, a Satlantic ISUS nitrate sensor has been integrated with a Seabird 911+ CTD-Rosette system deployed on CalCOFI cruises. Cruises typically occupy 75 stations, collecting approximately 1400 discrete ...
CTD System.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
A Sea-Bird Electronics 911plus V2 CTD collects vertical profile data at every CalCOFI station. In addition to being a dual TCO (temperature, conductivity, and oxygen) system, the CTD also interfaces with a transmissometer, ...
CTD Standard Sensors.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
CalCOFI's primary hydrographic instrument is a Seabird 911+ CTD equipped with dual temperature, conductivity and oxygen sensors mounted on a 24-10L bottle rosette. Additional CTD sensors mounted on the rosette frame include ...
CTD Data Processing Protocol.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2019)
Please note, the processing methods described use SIO-CalCOFI-developed software (DECODR & BtlVsCTD) to merge and correct Seabird 911+ CTD data with bottle samples. The Seasoft portion of our data processing protocol follow ...
SeasaveV7 Setup & Data Acquisition.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
SeasaveV7 on Windows 7 CTD Operator's Cookbook
Satlantic ISUS Operation.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
Setting up and using the ISUS with Seabird CTD
CTD Data Algorithms.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2017)
CalCOFI CTD data, particularly the thermodynamic properties, are computed by Seasoft based on EOS-80. Temperatures, typically from the primary temperature sensor, are merged with bottle sample data into station files which ...