Data

IMOS - Ocean Gliders - Seaglider deployment in Tasmania off Maria Island (February - April 2009)

Name: IMOS - Ocean Gliders - Seaglider deployment in Tasmania off Maria Island (February - April 2009)
Published: 2009

Australian Ocean Data Network

Integrated Marine Observing System (IMOS)

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://catalogue-imos.aodn.org.au:443/geonetwork/srv/api/records/d3998266-c2ed-41e6-9de6-6437441f8c42&rft.title=IMOS - Ocean Gliders - Seaglider deployment in Tasmania off Maria Island (February - April 2009)&rft.identifier=https://catalogue-imos.aodn.org.au:443/geonetwork/srv/api/records/d3998266-c2ed-41e6-9de6-6437441f8c42&rft.description=The dataset contains temperature, salinity and biological parameters like for example dissolved oxygen and turbidity data measured by a Seaglider in the region of Maria Island (Tasmania).The Ocean Gliders Facility (formerly known as the Australian National Facility for Ocean Gliders (ANFOG)), located at the University of Western Australia manages Seagliders to monitor the boundary currents surroundings Australia.The Seaglider SG154 was deployed on the 13th of february 2009 east of Maria Island, Tasmania. This was the first extended sea glider deployment in the southern hemisphere.A team from CSIRO successfully recovered the seaglider on the 14th of april 2009, about 16 nautical miles east northeast of Pirates bay, Tasmania.During the 60 days of its deployment and the 1500 kilometre voyage, the seaglider performed around 430 dives.The variables available in this dataset are:Temperature, salinity, conductivity, density, pressure, chromophoric dissolved oxygen matter, dissolved oxygen, fluorescence and backscatter coefficient at 660nm.Statement: The data has undergone the following quality control tests: 1) Impossible date test, which checks if time values are within a timeframe possible for the fleet; 2) Impossible location test, which requires that the observation latitude and longitude from the float be sensible; 3) Range test, which applies a gross filter on observed values for the measured scientific parameters, that accommodates all of the expected extremes encountered in the oceans around Australia; 4) Deepest pressure test, which requires that the profile has pressures/depths that are not higher than vehicle safe depth range plus 10%. (If there is a region of incorrect pressures, all corresponding measurements are also flagged as bad data.) 5) Spike test, which considers that the difference between sequential measurements where one measurement is quite different than adjacent ones, is a spike in both size and gradient. The test does not consider the differences in depth, but assumes a sampling that adequately reproduces the temperature and salinity changes with depth. The algorithm is used on temperature and salinity profiles only. 6) Gradient test, which is failed when the difference between vertically adjacent measurements is too steep. The test does not consider the differences in depth, but assumes a sampling that adequately reproduces the temperature and salinity changes with depth. The algorithm is used on temperature and salinity profiles only. The results of the above mentioned tests are listed using an IMOS standard set of IODE flags, which the user should refer to when using the data. Only items flagged as 1: Good data or 8: Interpolated data should be used. Each parameter's quality flagging is found in its corresponding quality control parameter (e.g. for the parameter PSAL, the quality flags are found in PSAL_quality_control). For further information, please refer to IMOS NETCDF USER'S MANUAL version 1.2 and AUSTRALIAN NATIONAL FACILITY FOR OCEAN GLIDERS (ANFOG) DATA MANAGEMENT USER'S MANUAL version 1.2 .&rft.creator=Integrated Marine Observing System (IMOS) &rft.date=2009&rft.coverage=westlimit=148.2363; southlimit=-43.4649; eastlimit=150.334; northlimit=-41.8442&rft.coverage=westlimit=148.2363; southlimit=-43.4649; eastlimit=150.334; northlimit=-41.8442&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/&rft_rights=The citation in a list of references is: IMOS [year-of-data-download], [Title], [data-access-URL], accessed [date-of-access].&rft_rights=Any users of IMOS data are required to clearly acknowledge the source of the material derived from IMOS in the format: Data was sourced from Australia’s Integrated Marine Observing System (IMOS) – IMOS is enabled by the National Collaborative Research Infrastructure strategy (NCRIS). If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).&rft_rights=Data, products and services from IMOS are provided as is without any warranty as to fitness for a particular purpose.&rft_subject=oceans&rft_subject=Coloured Dissolved Organic Matter (CDOM)&rft_subject=Glider&rft_subject=Seaglider&rft_subject=IMOS Node | Bluewater and Climate&rft_subject=CHLOROPHYLL&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=OCEAN CHEMISTRY&rft_subject=SUSPENDED SOLIDS&rft_subject=WATER TEMPERATURE&rft_subject=OCEAN TEMPERATURE&rft_subject=TURBIDITY&rft_subject=OCEAN OPTICS&rft_subject=CONDUCTIVITY&rft_subject=SALINITY/DENSITY&rft_subject=FLUORESCENCE&rft_subject=OXYGEN&rft_subject=OCEAN CURRENTS&rft_subject=OCEAN CIRCULATION&rft_subject=CTD (Conductivity-Temperature-Depth Profilers)&rft_subject=Fluorometers&rft_subject=Countries | Australia&rft_subject=States, Territories (Australia) | Tasmania&rft_subject=sea_water_temperature&rft_subject=sea_water_salinity&rft_subject=sea_water_pressure&rft_subject=mass_concentration_of_oxygen_in_sea_water&rft_subject=sea_water_electrical_conductivity&rft_subject=concentration_of_coloured_dissolved_organic_matter&rft_subject=volumetric_backscatter_coefficient&rft_subject=fluorescence_in_sea_water&rft.type=dataset&rft.language=English Access the data

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Licence & Rights:

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

The citation in a list of references is: "IMOS [year-of-data-download], [Title], [data-access-URL], accessed [date-of-access]."

Any users of IMOS data are required to clearly acknowledge the source of the material derived from IMOS in the format: "Data was sourced from Australia’s Integrated Marine Observing System (IMOS) – IMOS is enabled by the National Collaborative Research Infrastructure strategy (NCRIS)." If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).

Data, products and services from IMOS are provided "as is" without any warranty as to fitness for a particular purpose.

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Full description

The dataset contains temperature, salinity and biological parameters like for example dissolved oxygen and turbidity data measured by a Seaglider in the region of Maria Island (Tasmania).

The Ocean Gliders Facility (formerly known as the Australian National Facility for Ocean Gliders (ANFOG)), located at the University of Western Australia manages Seagliders to monitor the boundary currents surroundings Australia.

The Seaglider "SG154" was deployed on the 13th of february 2009 east of Maria Island, Tasmania. This was the first extended sea glider deployment in the southern hemisphere.
A team from CSIRO successfully recovered the seaglider on the 14th of april 2009, about 16 nautical miles east northeast of Pirates bay, Tasmania.

During the 60 days of its deployment and the 1500 kilometre voyage, the seaglider performed around 430 dives.

The variables available in this dataset are:
Temperature, salinity, conductivity, density, pressure, chromophoric dissolved oxygen matter, dissolved oxygen, fluorescence and backscatter coefficient at 660nm.

Lineage

Statement: The data has undergone the following quality control tests: 1) Impossible date test, which checks if time values are within a timeframe possible for the fleet; 2) Impossible location test, which requires that the observation latitude and longitude from the float be sensible; 3) Range test, which applies a gross filter on observed values for the measured scientific parameters, that accommodates all of the expected extremes encountered in the oceans around Australia; 4) Deepest pressure test, which requires that the profile has pressures/depths that are not higher than vehicle safe depth range plus 10%. (If there is a region of incorrect pressures, all corresponding measurements are also flagged as bad data.) 5) Spike test, which considers that the difference between sequential measurements where one measurement is quite different than adjacent ones, is a spike in both size and gradient. The test does not consider the differences in depth, but assumes a sampling that adequately reproduces the temperature and salinity changes with depth. The algorithm is used on temperature and salinity profiles only. 6) Gradient test, which is failed when the difference between vertically adjacent measurements is too steep. The test does not consider the differences in depth, but assumes a sampling that adequately reproduces the temperature and salinity changes with depth. The algorithm is used on temperature and salinity profiles only. The results of the above mentioned tests are listed using an IMOS standard set of IODE flags, which the user should refer to when using the data. Only items flagged as 1: Good data or 8: Interpolated data should be used. Each parameter's quality flagging is found in its corresponding quality control parameter (e.g. for the parameter PSAL, the quality flags are found in PSAL_quality_control). For further information, please refer to IMOS NETCDF USER'S MANUAL version 1.2 and AUSTRALIAN NATIONAL FACILITY FOR OCEAN GLIDERS (ANFOG) DATA MANAGEMENT USER'S MANUAL version 1.2 .

Notes

Credit
Australia’s Integrated Marine Observing System (IMOS) is enabled by the National Collaborative Research Infrastructure Strategy (NCRIS). It is operated by a consortium of institutions as an unincorporated joint venture, with the University of Tasmania as Lead Agent.

Credit
The University of Western Australia (UWA)

Purpose
The seaglider was deployed in order to monitor the flow of the East Australian Current (EAC) off Tasmania.

Created: 24 04 2009

Data time period: 13 02 2009 to 13 04 2009