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Multi-decadal ocean temperature time-series and climatologies from Australia's long-term National Reference Stations
Moninya Roughan1, Michael Hemming2, Amandine Schaeffer2,3
1Coastal and Regional Oceanography Lab, Centre for Marine Science and Innovation, UNSW Sydney, Sydney, NSW, 2052, Australia. mroughan@unsw.edu.au.
Scientific Data
|April 8, 2022
Summary
This study releases long-term ocean temperature data from Australia, crucial for understanding environmental change. The curated dataset, spanning decades, aids research into ocean variability and climate impacts.
Area of Science:
- Oceanography
- Climate Science
- Marine Biology
Background:
- Long-term ocean time-series are vital for environmental change assessment.
- Compiling and quality controlling historical data from multiple sources is challenging.
- Sub-surface ocean temperature has been recorded at four Australian sites since the 1940s/50s.
Purpose of the Study:
- To aggregate, document, and release long time-series temperature products and climatologies.
- To provide quality-controlled, multi-platform temperature data for scientific research.
- To support studies on ocean temperature variability, trends, anomalies, and change.
Main Methods:
- Compiled temperature data from four Australian monitoring sites (1940s/50s onwards).
- Augmented historical data with moored sensors, vertical profiles, and satellite data.
- Applied rigorous quality control and a tested methodology for data combination.
Main Results:
- Developed 17 data products including multi-decadal, multi-depth, multi-platform time-series.
- Produced daily temperature climatologies from various data combinations and time periods.
- Data are provided as CF-compliant NetCDF files and will be updated periodically.
Conclusions:
- The released data products offer a valuable resource for oceanographic and climate change research.
- Open-access data facilitates studies on ocean temperature variability and long-term trends.
- The dataset, supported by Australia's Integrated Marine Observing System, enhances marine data accessibility.
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