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Observatory # 23 Filchner – Ronne Weddell Sea Antarctica

Observatory # 23 Filchner – Ronne Weddell Sea Antarctica. Svein Østerhus UNI Climate www.folk.uib.no/ngfso. Weddell Sea. Observatory # 23. CHARACTERISTICS. Observatory # 23.

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Observatory # 23 Filchner – Ronne Weddell Sea Antarctica

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  1. Observatory # 23Filchner – RonneWeddell Sea Antarctica Svein Østerhus UNI Climate www.folk.uib.no/ngfso

  2. Weddell Sea Observatory # 23

  3. CHARACTERISTICS Observatory # 23 “S2” provide Transnational Access (TNA) to the World Oceans Coldest water - the Filchner-Ronne Ice Shelf Water (ISW), Weddell Sea, Antarctica Observatory # 23 “S2” is situated in the core of the ISW at the shelf break Filchner-Ronne Shelf break

  4. DATA/SERVICES Observatory # 23 • Time series with the lowest temperature of the World Oceans (Site-5) and the longest oceanographic time series from Antarctica (S2) • Time series of current, salinity and dissolved oxygen

  5. FUTURE PLANS Observatory # 23 1977 - 2009 (the BIAC system) - 2013 (the WEDDELL system) - 2020 Existing S2 mooring New S2 mooring to be deployed in Jan 2014 To be serviced in 2016

  6. FUTURE PLANS Observatory # 23 The Site 5Observatory on the Ronne Ice Shelf will be redeployed in 2014/15 • Design criteria : • Service interval 5 + years • Deployment period: 10+y • Temperature range 0 to -50 °C • Ice thickness: 800 m • Sampling rates 1 h • Real time data transmission via satellite • Sensors for Ocean, ice shelf and atmospheric measurements

  7. FUTURE PLANS Observatory # 23 UNI Research /UIB will extend the S2 (ISW) observatory (establert in 1977). Two new IPY-BIAC instrumented platform will be deployed in January 2014 (Polarstern cruise 2013/14) S2 ? BAS & UNI Research will in 2014/15 re-etablate cable observatory Site 5 underneath the 800 m thick Ronne ice shelf Site-5 Svein Østerhus UNI Research AS - UNI Klima www.folk.uib.no/ngfso

  8. Confused? Please ask! Svein Østerhus E-mail: Svein.Osterhus@uni.no SKYPE: svein.osterhus www.folk.uib.no/ngfso

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