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Ocean Acoustics in the rapidly changing Arctic.

Worcester, P.F., Dzieciuch, M.A. & Sagen, H. Ocean Acoustics in the rapidly changing Arctic. Journal of the Acoustical Society of America 16, (2020).

Observing the Oceans Acoustically

CAATEX: Coordinated Arctic Acoustic Thermometry Experiment

Two sound sourcs in fixed moorings will transmit a signal which will be received on listen cables in 5 fixed moorings and four drifting drifting receivers hundreds of kilometers away from the sound sources. 

 The Arctic region experiences strong climate change, but yet the central Arctic Ocean under the sea ice is poorly observed and remains largely unknown. A particular focus in CAATEX will be to obtain regional to basin scale information about ocean temperature from acoustic thermometry and standard oceanographic instrumentation. A major effort will be to design and implement the acoustic thermometry experiment including fixed mooring and moving ship thermometry. Fixed mooring thermometry will provide yearlong times series of mean ocean temperature between each of the moorings.

Project Details
Coordinating Institute: 
Nansen Environmental and Remote Sensing Center
Project Status: 
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