Data

Surface current data from ocean drifters in the Indian Ocean

Australian Ocean Data Network
Pattiaratchi, Charitha
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.26198/e8j3-9533&rft.title=Surface current data from ocean drifters in the Indian Ocean&rft.identifier=10.26198/e8j3-9533&rft.description=The University of Western Australia (UWA) developed and deployed surface drifters at different offshore locations during the period 2019 to 2022. Each of these drifters provided data for a maximum of ~9 months. These undrogued drifters were 0.60 m in length and contained a GPS tracker that provided drifter positions at intervals varying between 4 and 7 minutes. The drifter position data were quality controlled for outlier removal and were interpolated linearly to an equal time interval of 5 minutes. This provided mean spatial resolution of 120m. The position information was used as a proxy to estimate the Lagrangian surface currents off Australia and surrounding open ocean regions. Each of the drifter data are stored in netcdf files containing the latitude and longitude position, time and zonal and meridional velocity components.Maintenance and Update Frequency: notPlannedStatement: The UWA drifters were deployed at chosen locations in the offshore of Australia with the help of Research vessels or oil and gas supporting vessels. The drifters recorded its position information at an interval of 4-7 minutes. This data was quality controlled and interpolated to an equal interval of 5 minutes to create the netcdf files with the position, time and zonal and meridional components of velocity.&rft.creator=Pattiaratchi, Charitha &rft.date=2024&rft.coverage=westlimit=35.00; southlimit=-40.00; eastlimit=155.00; northlimit=-3.00&rft.coverage=westlimit=35.00; southlimit=-40.00; eastlimit=155.00; northlimit=-3.00&rft_rights=Creative Commons Attribution 4.0 International License https://creativecommons.org/licenses/by/4.0/&rft_rights=This is the bibliographic reference for the dataset and this metadata record that describes it: Pattiaratchi, C. Surface current data from ocean drifters in the Indian Ocean, Australian Ocean Data Network, https://doi.org/10.26198/e8j3-9533, 2025.&rft_subject=FISHERIES&rft_subject=EARTH SCIENCE&rft_subject=AGRICULTURE&rft_subject=AGRICULTURAL AQUATIC SCIENCES&rft_subject=Marine Features (Australia) | Perth Canyon, WA&rft_subject=Coastal Waters (Australia) | Northern Territory Coast, NT&rft_subject=Coastal Waters (Australia) | West Australia Coast, WA&rft_subject=Marine Features (Australia) | Exmouth Gulf, WA&rft_subject=Countries | Madagascar&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Coastal Waters (Australia) | West Australia Coast West, WA&rft_subject=Regional Seas | Timor Sea&rft_subject=Coastal Waters (Australia) | Queensland Coast, QLD&rft_subject=OCEAN CURRENTS&rft_subject=drifting surface float&rft.type=dataset&rft.language=English Access the data
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CC-BY

Creative Commons Attribution 4.0 International License
https://creativecommons.org/licenses/by/4.0/

This is the bibliographic reference for the dataset and this metadata record that describes it: "Pattiaratchi, C. Surface current data from ocean drifters in the Indian Ocean, Australian Ocean Data Network, https://doi.org/10.26198/e8j3-9533, 2025.

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Full description

The University of Western Australia (UWA) developed and deployed surface drifters at different offshore locations during the period 2019 to 2022. Each of these drifters provided data for a maximum of ~9 months. These undrogued drifters were 0.60 m in length and contained a GPS tracker that provided drifter positions at intervals varying between 4 and 7 minutes. The drifter position data were quality controlled for outlier removal and were interpolated linearly to an equal time interval of 5 minutes. This provided mean spatial resolution of 120m. The position information was used as a proxy to estimate the Lagrangian surface currents off Australia and surrounding open ocean regions. Each of the drifter data are stored in netcdf files containing the latitude and longitude position, time and zonal and meridional velocity components.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: The UWA drifters were deployed at chosen locations in the offshore of Australia with the help of Research vessels or oil and gas supporting vessels. The drifters recorded its position information at an interval of 4-7 minutes. This data was quality controlled and interpolated to an equal interval of 5 minutes to create the netcdf files with the position, time and zonal and meridional components of velocity.

Notes

Credit
The University of Western Australia (UWA)

Issued: 07 10 2024

Data time period: 2019-01-13 to 2023-01-23

This dataset is part of a larger collection

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155,-3 155,-40 35,-40 35,-3 155,-3

95,-21.5

text: westlimit=35.00; southlimit=-40.00; eastlimit=155.00; northlimit=-3.00

Subjects
AGRICULTURAL AQUATIC SCIENCES | AGRICULTURE | Coastal Waters (Australia) | Northern Territory Coast, NT | Coastal Waters (Australia) | Queensland Coast, QLD | Coastal Waters (Australia) | West Australia Coast West, WA | Coastal Waters (Australia) | West Australia Coast, WA | Countries | Madagascar | EARTH SCIENCE | FISHERIES | Global / Oceans | Indian Ocean | Marine Features (Australia) | Exmouth Gulf, WA | Marine Features (Australia) | Perth Canyon, WA | OCEAN CURRENTS | Regional Seas | Timor Sea | drifting surface float |

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Other Information
(Journal article describing the data)

url : https://doi.org/10.3390/jmse13040717

(Link to the data files)

url : https://thredds.aodn.org.au/thredds/catalog/UWA/Surface_drifters_C-20251117/catalog.html

Identifiers
  • DOI : 10.26198/E8J3-9533
  • global : bbebd6a1-fb12-4619-88c5-1152b7349b58
  • global : 3df755e8-55bf-4a49-a1f7-a9b47d000438