autonomous underwater profiling glider

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Presentation transcript:

autonomous underwater profiling glider Seaglider: autonomous underwater profiling glider Quick facts: Buoyancy driven profiling Roll & pitch controlled by battery movements Max depth: 1000 m (for this model) Endurance: up to 10 months Modular sensor system – can add/remove easily Built by Kongsberg, designed by University of Washington

autonomous underwater profiling glider Seaglider: autonomous underwater profiling glider Diving profile: Near real-time data transfer Vertical speed ~10 cm/s Each 1000 m dive: 5 hours 5 km on the surface

autonomous underwater profiling glider Seaglider: autonomous underwater profiling glider Sensors: Can be easily added/removed Our glider(s) have sensors for: Temperature/Salinity Dissolved Oxygen Photosynthetically Available Radiation Fluorometer/turbidity (Acousonde – Acoustics) Sampling interval can be 1-2 s Other sensors are available and being developed

autonomous underwater profiling glider Seaglider: autonomous underwater profiling glider Previous deployments at University of Gothenburg: Drake Passage Nov 2017 – Feb 2018 Glider was also equipped with an acoustic sensor to measure wind speeds. ROAM-MIZ (60°S, 0°E) Dec 2018 – Mar 2019 www.roammiz.com Upcoming deployments include a winter-time mission in the Southern Ocean, July 2019

autonomous underwater profiling glider Seaglider: autonomous underwater profiling glider Temperature data from the ROAM-MIZ project: Colour shows the temperature measured, the black dots show the base of the mixed layer (surface layer where properties are homogenous). See more at www.roammiz.com

What would you do with this platform? Seaglider: autonomous underwater profiling glider What would you do with this platform? Come and chat to us!