WP7 Objective: “Prove the design of a mooring incorporating a submersible winch capable of producing surface ocean CO 2 and biogeochemistry data “
ANIMATE Real time data transmission of CTD at 10 depths over top 1000m Near-surface CO 2 Near-surface nutrients Fluorescence and beam attenuation Up & down looking ADCP at 150m Deep ocean particle flux Data enter the public domain immediately: www//noc.soton.ac.uk/animate * *
The Deep ocean Eulerian observatories of Europe
SAMI sensor July 2005 after 12 months at PAP
Kortzinger et al
Sensor depth at PAP in 2003
Kortzinger et al
Shortcomings of fixed moored systems: 1.Difficult to obtain near surface data. 2.Knockdown is sometimes a serious problem. 3.Profiles are not obtained. 4.Biofouling.
The SeaCycler collaboration: EU-Carboocean, Scripps Inst, Bedford inst., Canada, Brook Ocean Technology, Canada.
Winch float Sensor float Communication float
SeaCycler Winch Float
SeaCycler sensor float
CommFloat 1.0m SeaCycler Communications float
Development areas: 1.Winch float 2.Sensor float 3.Comms float 4.Control and command system 5.Mooring 6.Sensors
Sensors to be used on SeaCycler -CTD & DO (Sea-Bird SBE 52MP with 43F oxygen sensor) - C0 2 (Pro-Oceanus PSI CO 2 -Pro + Sea-Bird 5T pump) - Nutrient (EnviroTech MicroLAB or ISUS optical sensor) - Chlorophyll (WET Labs FLNTUS with Bio-wiper shutter) - Radiation (Biospherical Instruments QSP-2100) - Zooplankton (BOT Laser Optical Plankton Counter)
Sensors to be used on SeaCycler -CTD & DO (Sea-Bird SBE 52MP with 43F oxygen sensor) - C0 2 (Pro-Oceanus PSI CO 2 -Pro + Sea-Bird 5T pump) - Nutrient (EnviroTech MicroLAB or ISUS optical sensor) - Chlorophyll (WET Labs FLNTUS with Bio-wiper shutter) - Radiation (Biospherical Instruments QSP-2100) - Zooplankton (BOT Laser Optical Plankton Counter) -pH sensor
Pro-Oceanus PSI CO2-Pro
C0 2 Data Collected by Icycler75 in April Profiles over 2 Weeks until CTD Flooded Time (minutes) Depth (m) CO 2
Trials of “Pro-Oceanus PSI CO2-Pro” from ship surface water supply.
Icycler60 Recovered After 24-month Deployment: - 18 Successful Profiles Attempted Profiles - Every Profile Collects Some Data
Corrosion problems
Development of the SeaCycler. 1.Construction of prototype 2.Sea trials of prototype system November Sea trials of prototype with sensors December Recovery of sister device “Icycler” after 24 months 5.Further trials of prototype with sensors April Wave tank trials of models June 2006