Data

IMOS - Argo Profiles - core data

Integrated Marine Observing System
Integrated Marine Observing System (IMOS)
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
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Then the float sinks deeper to its profile depth (usually 2000 m) before starting to ascend through the water column measuring temperature, salinity and pressure as it rises. Once at the surface it transmits location and profile data via satellite to land-based Argo data centres. After transmission the float sinks again and repeats the cycle. Each Argo float is identified by a unique identification number called a WMO ID. WMO (World Meteorological Organisation) ID Numbers are assigned to measurement stations and observing platforms to enable researchers to keep track of, and uniquely identify their floats. The average life of the latest model APEX Argo floats are around 3.7 years or approximately 135 cycles. These statistics are for floats with the standard alkaline battery configuration from an analysis by Kobayashi et al (2009). In the Australian Argo program, the floats are deployed with a combination of lithium and alkaline battery packs which extends float lifetime. The Facility floats usually last 5 years and several floats are approaching their 9th birthday and are still returning good data.This data collection only provides access to the core data collected by Argo floats, i.e. temperature, salinity and pressure. To access biogeochemical (BGC) data recorded by selected floats, please access via this data collection - IMOS - Argo Profiles - biogeochemical data, https://catalogue-imos.aodn.org.au/geonetwork/srv/eng/catalog.search#/metadata/2223b7f2-4bac-4ff1-9b1e-aae9ac58deef.Statement: The Argo data system has three levels of quality control. The first level is the real-time system that performs a set of agreed, automated, checks on all float measurements. The real time quality control procedures are described in the Argo Quality Control Manual, available from the Argo Information Centre (http://wo.jcommops.org/cgi-bin/WebObjects/Argo). 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(NCRIS). If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).&rft_rights=The Argo Data Management Team has assigned Digital Object Identifiers (DOIs) to their datasets and ask that these are also cited. Please refer to https://argo.ucsd.edu/data/acknowledging-argo/ for determination of the appropriate DOI.&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=WATER TEMPERATURE&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=OCEAN TEMPERATURE&rft_subject=WATER DEPTH&rft_subject=BATHYMETRY/SEAFLOOR TOPOGRAPHY&rft_subject=OCEAN CURRENTS&rft_subject=OCEAN CIRCULATION&rft_subject=SALINITY&rft_subject=SALINITY/DENSITY&rft_subject=WATER PRESSURE&rft_subject=OCEAN PRESSURE&rft_subject=Profiling Float | Autonomous Profiling Float&rft_subject=IMOS Node | Bluewater and Climate&rft_subject=Global / Oceans | Atlantic Ocean&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Regional Seas | East China Sea&rft_subject=Regional Seas | Arabian Sea&rft_subject=Marine Features (Australia) | Bass Strait, TAS/VIC&rft_subject=Marine Features (Australia) | Great Australian Bight, SA/WA&rft_subject=Regional Seas | Tasman Sea&rft_subject=Regional Seas | Bismarck Sea&rft_subject=Regional Seas | Coral Sea&rft_subject=Regional Seas | Celebes Sea&rft_subject=Global / Oceans | Pacific Ocean&rft_subject=Regional Seas | Philippine Sea&rft_subject=Countries | Australia&rft_subject=Countries | Indonesia&rft_subject=Countries | Papua New Guinea&rft_subject=Countries | Philippines&rft_subject=Countries | Fiji&rft_subject=Countries | New Zealand&rft_subject=Countries | Solomon Islands&rft_subject=Countries | Vanuatu&rft_subject=Countries | New Caledonia&rft_subject=drifting subsurface profiling float&rft_subject=Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it&rft_subject=Temperature of the water body&rft_subject=Practical salinity of the water body&rft_subject=CTD&rft_subject=Argo Floats Facility, Integrated Marine Observing System (IMOS)&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

Open Licence view details
CC-BY

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).

The Argo Data Management Team has assigned Digital Object Identifiers (DOIs) to their datasets and ask that these are also cited. Please refer to https://argo.ucsd.edu/data/acknowledging-argo/ for determination of the appropriate DOI.

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

Access:

Open

Full description

Argo Australia aims to undertake real time monitoring of the broad ocean state around Australia by maintaining an array of profiling (Argo) floats that measure temperature, salinity and pressure down to 2000m every 10 days in real time. The data presented here, represent all Australian Argo profiles collected since 2000, and covers the oceans in the southern hemisphere worldwide. A typical Argo float mission is to profile from 2000 m depth to the sea surface every 10 days. On deployment, the float sinks to a depth of 1000 m and drifts with the ocean currents for 9 days. Then the float sinks deeper to its profile depth (usually 2000 m) before starting to ascend through the water column measuring temperature, salinity and pressure as it rises. Once at the surface it transmits location and profile data via satellite to land-based Argo data centres. After transmission the float sinks again and repeats the cycle. Each Argo float is identified by a unique identification number called a WMO ID. WMO (World Meteorological Organisation) ID Numbers are assigned to measurement stations and observing platforms to enable researchers to keep track of, and uniquely identify their floats. The average life of the latest model APEX Argo floats are around 3.7 years or approximately 135 cycles. These statistics are for floats with the standard alkaline battery configuration from an analysis by Kobayashi et al (2009). In the Australian Argo program, the floats are deployed with a combination of lithium and alkaline battery packs which extends float lifetime. The Facility floats usually last 5 years and several floats are approaching their 9th birthday and are still returning good data.

This data collection only provides access to the core data collected by Argo floats, i.e. temperature, salinity and pressure. To access biogeochemical (BGC) data recorded by selected floats, please access via this data collection - IMOS - Argo Profiles - biogeochemical data, https://catalogue-imos.aodn.org.au/geonetwork/srv/eng/catalog.search#/metadata/2223b7f2-4bac-4ff1-9b1e-aae9ac58deef.

Lineage

Statement: The Argo data system has three levels of quality control. The first level is the real-time system that performs a set of agreed, automated, checks on all float measurements. The real time quality control procedures are described in the Argo Quality Control Manual, available from the Argo Information Centre (http://wo.jcommops.org/cgi-bin/WebObjects/Argo). Quality flags are: 0 - no quality control done 1 - good data 2 - good data with some suspicious features 3 - bad data that are potentially correctable 4 - bad data that is not correctable The second level of quality control is done in delayed mode, after the profiles are more than 6 months old. Profiles undergo rigorous semi-automated and manually supervised tests to detect and correct drift in salinity and to detect drift in pressure. To accurately detect these drifts, 6 months of data is required. These procedures are also described in the Argo quality control manual.

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
CSIRO Oceans & Atmosphere
Credit
Bureau of Meteorology (BOM)
Credit
Royal Australian Navy (RAN)

Issued: 26 08 2013

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Subjects
Argo Floats Facility, Integrated Marine Observing System (IMOS) | BATHYMETRY/SEAFLOOR TOPOGRAPHY | CTD | Countries | Australia | Countries | Fiji | Countries | Indonesia | Countries | New Caledonia | Countries | New Zealand | Countries | Papua New Guinea | Countries | Philippines | Countries | Solomon Islands | Countries | Vanuatu | EARTH SCIENCE | Global / Oceans | Atlantic Ocean | Global / Oceans | Indian Ocean | Global / Oceans | Pacific Ocean | Global / Oceans | Southern Ocean | IMOS Node | Bluewater and Climate | Marine Features (Australia) | Bass Strait, TAS/VIC | Marine Features (Australia) | Great Australian Bight, SA/WA | OCEAN CIRCULATION | Ocean Currents | OCEAN PRESSURE | OCEAN TEMPERATURE | OCEANS | Practical salinity of the water body | Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it | Profiling Float | Autonomous Profiling Float | Regional Seas | Arabian Sea | Regional Seas | Bismarck Sea | Regional Seas | Celebes Sea | Regional Seas | Coral Sea | Regional Seas | East China Sea | Regional Seas | Philippine Sea | Regional Seas | Tasman Sea | Salinity | SALINITY/DENSITY | Temperature of the water body | Water Depth | Water Pressure | Water Temperature | drifting subsurface profiling float | oceans |

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Other Information
(Link to Argo User's Manual)

uri : http://www.argodatamgt.org/Documentation

(Argo page on IMOS website)

uri : https://imos.org.au/facility/argo-floats

(NetCDF files via THREDDS catalog)

uri : http://thredds.aodn.org.au/thredds/catalog/IMOS/Argo/dac/catalog.html

(View and download data though the AODN Portal)

uri : https://portal.aodn.org.au/search?uuid=4402cb50-e20a-44ee-93e6-4728259250d2

Argo Profiles (imos:argo_profile_map)

uri : http://geoserver-123.aodn.org.au/geoserver/wms

This OGC WFS service returns filtered geographic information. The returned data is available in multiple formats including CSV. (imos:argo_primary_profile_core_low_res_good_qc_data)

uri : http://geoserver-123.aodn.org.au/geoserver/ows

(OGC WFS help documentation)

uri : https://help.aodn.org.au/web-services/ogc-wfs/

The ncUrlList is a WFS service that returns a list of URLs matching a query. (argo_profile_map#url)

uri : http://geoserver-123.aodn.org.au/geoserver/ows

(ncUrlList help documentation)

uri : https://help.aodn.org.au/web-services/ncurllist-service/

global : 8cc13f98-9897-4193-8ba6-d1f05356d3f2

Identifiers
  • global : 4402cb50-e20a-44ee-93e6-4728259250d2