AWI-HAUSGARTEN in Fram Strait (1999- on going) Since 1999 16 stations; 1000 - 5500 m continuous / repeated measurements and sampling photo / video observations.

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Presentation transcript:

AWI-HAUSGARTEN in Fram Strait (1999- on going) Since stations; m continuous / repeated measurements and sampling photo / video observations in-situ experimental work contributions to international programmes:

HAUSGARTEN - PELAGIC

HAUSGARTEN - BENTHIC

HAUSGARTEN - LANDERS

Fram Strait Observatory moored array and gliders 16 deep oceanographic moorings between the Spitsbergen and Greenland shelves maintained since 1997 by AWI and NPI 4 acoustic tomographic moorings (3 sound sources and 1 receiver array) operated by NERSC RAFOS sound sources for acoustic positioning and navigation (AWI) Annually repeated standard CTD section along the mooring line at 78°50N (AWI, NPI) Gliders profiling in the upper 1000 m layer (in open water, under-ice gliders in testing phase) operated by AWI, in collaboration with APL-UW Main aims: Monitoring volume, heat and salt (freshwater) exchanges between the North Atlantic and the Arctic Ocean

Moored array in Fram Strait (1997- on going) Fram Strait moored array as deployed in 2011 to be exchanged in 2012 (with 7 ADCPs covering the upper layer) Standard parameters: - currents temperature, salinity, pressure Not regular measurents (selected years): - passive acoustics, sound speed, light transmision, bottom pressure

Summer 2008 mission: 67 days, 721 Nm, 394 dives, one RAFOS sound source Summer 2009 mission: 76 days, 793 Nm, 400 dives, no RAFOS Summer 2010 mission: 71 days, 539 Nm, 294 dives, 3 RAFOS and 1 tomo sources Winter 2011 mission: 72 days, 837 Nm, 284 dives, 3 RAFOS and 3 tomo sources Summer 2011 mission: 78 days, 846 Nm, 350 dives, 5 RAFOS and 3 tomo sources Autumn 2011 mission: ongoing, 204 dives by Oct 20, 5 RAFOS and 3 tomo sources Seagliders missions in Fram Strait in 2008-on going (operated by Optimare, equpped with RAFOS in colaboration with APL-UW)

The future of both arrays… FRAM – a cabled Ocean Observing System

Moorings and PIES in the Weddell Sea CTD-transects

Moored Instruments Weddell Sea proper Weddell Sea/ Greenwich Meridian

Period / Deployment ANT-XIII/4PolarQueenANT-XIII/4ANT-XV/4ANT-XIV/2ANT-XVII/2ANT-XVI/2ANT-XVIII/3ANT-XX/2ANT-XXII/3 Recovery PolarQueenANT-XV/4 ANT-XVI/2ANT-XVII/2ANT-XVIII/3 ANT-XX/2ANT-XXII/3ANT-XXIII/2 Latitude AWI °S 1 AWI °S (1) 2(3) AWI °S AWI °S 1 AWI °S AWI °S AWI °S AWI °S AWI °S AWI °S AWI °S Period /112010/ /13-? Deployment ANT-XXIII/2ANT-XXII/3ANT-XXIV/3ANT-XXVII/2ANT-XXIX/2 Recovery ANT-XXIV/3 ANT-XXVII/2ANT-XXIX/2? Latitude AWI °S AWI °S AWI °S 5 AWI °S 1 AWI °S 7 AWI °S AWI °S AWI °S 5678 AWI °S AWI °S AWI °S 7 Period / /13-? Deployment ANT-VIII/2ANT-IX/2ANT-X/7ANT-XIII/4ANT-XV/4ANT-XXII/3ANT-XXIV/3ANT-XXVII/2ANT-XXIX/2 Recovery ANT-IX/2ANT-X/7ANT-XIII/4ANT-XV/4HesperidesANT-XXIV/3ANT-XXVII/2ANT-XXIX/2? Latitude AWI20652° W AWI20750° W1234(5)6789 AWI21649° W AWI21745° W AWI20836° W AWI20927° W Weddell Sea/ Greenwich Meridian Weddell Sea proper Mooring Periods