gliders for osmosis april2013 · sg566 ‐tashtego. sg566 θ‐s. sg533 ‐canopus. issues •...

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Gliders for OSMOSIS Gliders for OSMOSIS Gillian Damerell, // 18/4/13

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Page 1: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Gliders for OSMOSISGliders for OSMOSIS

Gillian Damerell, / /18/4/13

Page 2: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

What is OSMOSIS?

• Ocean Surface Mixing, g,Ocean Sub‐mesoscale Interaction Study

b l l• Porcupine Abyssal Plain (PAP) site, 48° 41′ N,    16 ° 11′W.16  11 W.

• approx 500km southwest of Ireland

• moorings, Seasoar survey, Seagliders

Page 3: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

What is OSMOSIS?

• 1‐year occupation –1 year occupation continuous observations

• gliders in butterfly g ypattern around moorings

• glider turnaround gapprox. every 4 months

Page 4: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Glider butterfly patterns

NW NE NW NE

533 566

C C

SESW SESWSE SESW

Average time 6 days per circuit

Page 5: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Glider turnaround

576 dives

502

510

533656 dives

533

566

579484 dives

655 dives

Page 6: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

The gliders PAR sensorg

ECO puck Oxygen

optode

• iRobot SeaglidersCT sail

p

• temperature, salinity, pressure, dive‐averaged currents, dissolved oxygen, chlorophyll fluorescence, CDOM fl i l b kCDOM fluorescence, optical backscatter, photosynthetically available radiation (PAR)

Page 7: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566 ‐ Tashtego

Page 8: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566  θ‐S

Page 9: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG533 ‐ Canopus

Page 10: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Issues

• biofouling

• broken temperature sensor• broken temperature sensor

• glider flight

Page 11: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG533 ‐ Canopus

Page 12: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG533 ‐ Canopus

Page 13: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Issues• biofouling

• broken temperature sensorbroken temperature sensor

• glider flight Jan to April

Sep to Jan

Page 14: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus
Page 15: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Ongoing Workg g

• calibration – including optode temperature for Canopus. 

Page 16: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

49.2

48 8

49

78

9 14151617181920

48.6

48.8

1

234

6

78

12ude

48 2

48.4

10

11

12

21

latitu

48

48.25

21

22

-17 -16 -15 -14 -13 -12 -11 -10 -947.8

longitude

Page 17: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG533 ‐ Canopus

Page 18: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Ongoing Workg g

• calibration – including optode temperature for Canopus. 

• water masses & hydrography.

• cycle in meddies?

Page 19: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566  θ‐S

Page 20: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566 ‐ Tashtego

Page 21: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Ongoing Workg g

• calibration – including optode temperature for Canopus. 

• water masses & hydrography.

• cycle in meddies?

• average properties along sections – and changes over time.

Page 22: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566

Line A

Line C

Page 23: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566 – line A

Page 24: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566 ‐ Tashtego

Page 25: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566 – line A

Page 26: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

SG566 – line C

Page 27: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Ongoing Workg g

• calibration – including optode temperature for Canopus. 

• water masses & hydrography.

• cycle in meddies?

• average properties along sections – and changes over time.

• joint study with Daley Calvert at the Met Office using 1D model to study deepening/shoaling of mixed layer –comparison with observationscomparison with observations.

• seasonal cycle.

Page 28: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus
Page 29: Gliders for OSMOSIS april2013 · SG566 ‐Tashtego. SG566 θ‐S. SG533 ‐Canopus. Issues • biofouling • broken temperaturetemperature sensorsensor • glider flight. SG533 ‐Canopus

Ongoing Workg g• calibration – including optode temperature for Canopus. • water masses & hydrography.y g p y• cycle in meddies?• average properties along sections – and changes over time.

• joint study with Daley Calvert at the Met Office using 1D d l t t d d i / h li f i d lmodel to study deepening/shoaling of mixed layer –

comparison with observations.• seasonal cycleseasonal cycle.• Vertical velocities – internal waves.• links between physics and biogeochemistry with Annalinks between physics and biogeochemistry with Anna Rumyantseva at NOCS.