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East Australian Current velocity, temperature and salinity data products
Bernadette M Sloyan1, Rebecca Cowley2, Christopher C Chapman2
1CSIRO Environment, Hobart, 7004, Australia. Bernadette.Sloyan@csiro.au.
Scientific Data
|January 3, 2024
Summary
The East Australian Current (EAC) data products combine observations to study its dynamics. These consistent datasets reveal insights into the EAC
Area of Science:
- Oceanography
- Physical Oceanography
- Marine Science
Background:
- The East Australian Current (EAC) is a major western boundary current influencing Australia's marine environment.
- Its energetic nature and associated eddies significantly impact the Coral and Tasman Seas.
Purpose of the Study:
- To present consistent East Australian Current (EAC) data products.
- To facilitate investigations into EAC variability and boundary current dynamics.
Main Methods:
- Combined in situ temperature, salinity, and velocity observations from IMOS and CSIRO mooring arrays.
- Interpolated data onto common vertical, temporal (hourly/daily), and spatial grids.
- Utilized the ITCOMPSOM method for time series data gap filling.
Main Results:
- Generated comprehensive EAC data products from over 1000 instrument files.
- Data covers six 18-month deployments between 2012-2022 off Brisbane, Australia.
- The products offer a unified view of EAC characteristics.
Conclusions:
- The developed EAC data products provide a valuable resource for researchers.
- Enables detailed study of intra- and interannual variability in this key ocean current.
- Supports enhanced understanding of western boundary current dynamics.
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