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The Australian Integrated Marine Observing System Southern Ocean Time Series facility

conference contribution
posted on 2023-05-23, 05:27 authored by Trull, T, Schulz, E, Bray, SG, Pender, L, McLaughlan, D, Tilbrook, BD, Mark RosenbergMark Rosenberg, Lynch, T
The CSIRO, Bureau of Meteorology, University of Tasmania, and Antarctic Climate and Ecosystems CRC operate the Integrated Marine Observing System (IMOS) Southern Ocean Time Series (SOTS) facility with funding from the National Collaborative Research Infrastructure Strategy (NCRIS)- a set of moorings designed to quantify physical, chemical, and biological processes important to the transfer of heat, moisture, momentum, oxygen and carbon dioxide between the atmosphere and ocean. There are 3 mooring platforms at the SOTS site near 140°E, 47°S in ~4500 m water depth, in the Subantarctic Zone (SAZ) ~36 hours by ship southwest of Tasmania: i) the Southern Ocean Flux Station (SOFS) - a large surface tower buoy that focuses on meteorological measurements, ii) the Pulse surface mixed layer mooring focusing on biological nutrient and carbon transformations using sensors and an automated water sampler, and iii) the deep SAZ sediment trap mooring (below 1000 m depth) that quantifies sinking carbon fluxes to the ocean interior and returns particle samples for a broad range of biogeochemical studies. Additional applications include evaluation of wave models, calibration of isotopic proxies for past ocean conditions, and quantification of impacts of ocean acidification on foraminiferal zooplankton.

History

Publication title

Oceans 2010 IEEE - Sydney Conference and Exhibition Australia

Pagination

EJ

Department/School

Institute for Marine and Antarctic Studies

Publisher

IEEE

Place of publication

USA

Event title

IEEE Oceans

Event Venue

Sydney

Date of Event (Start Date)

2010-05-24

Date of Event (End Date)

2010-05-27

Repository Status

  • Restricted

Socio-economic Objectives

Antarctic and Southern Ocean oceanic processes

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