Data

IMOS - Animal Tracking Facility - Satellite Relay Tagging Program - Near real-time data with quality-controlled locations

Integrated Marine Observing System
Integrated Marine Observing System (IMOS)
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=http://catalogue-imos.dev.aodn.org.au/geonetwork/srv/eng/search?uuid=b2548767-514f-4a31-b65e-36bb894382d5&rft.title=IMOS - Animal Tracking Facility - Satellite Relay Tagging Program - Near real-time data with quality-controlled locations&rft.identifier=http://catalogue-imos.dev.aodn.org.au/geonetwork/srv/eng/search?uuid=b2548767-514f-4a31-b65e-36bb894382d5&rft.description=The Animal Tagging Sub-Facility of the IMOS Animal Tracking Facility (formerly known as the Australian Animal Tracking And Monitoring System (AATAMS)) is a coordinated marine animal satellite-tracking project. Satellite Relay Data Loggers (SRDL) (most with Conductivity-Temperature-Depth (CTD) sensors, and some with CTD/fluorometers) are used to explore how marine animals (e.g. mammals) interact with their oceanic environment. The primary focus of this program is to collect CTD data from marine mammals, such as southern elephant seals (Mirounga leonina) and Weddell seals (Leptonychotes weddellii), in the southern Indian Ocean and along the East Antarctic coast. This is achieved through international collaborations with the French national polar program's long-term National Observatory Services: Mammals as Ocean Bio-Samplers (SNO-MEMO), the National Institute of Water and Atmospheric Research as part of the Ross Sea Research and Monitoring Programme, and the CNES (Centre National d'Etudes Spatiales) TOSCA programme (Phoques de Weddell bio-oceanographes de la banquise antarctique et outils satellites) in Terre Adelie. SRDL loggers developed at the Sea Mammal Research Unit (SMRU, University of St Andrews, UK) transmit data in near real time via the Argos satellite system. This metadata record, represents several different datasets listed hereafter, which can all be accessed through a multi-WFS service. The data represented by this record are presented in near real-time. CTD - parameters measured by the instruments include time, depth, conductivity (salinity), temperature, speed and fluorescence (available in some deployments). Diving - parameters measured by the instruments include individual dive start and end time, longitude/latitude at dive end time, post-dive surface duration, dive duration, maximum dive depth, intermediate dive depths and times. Haulout - a haulout begins when the SRDL has been continuously dry for a specified length of time (usually 10 minutes). It ends when continuously wet for another interval (usually 40 seconds). Haulout data parameters measured by the instruments include haulout start and end dates and longitude/latitude, and haulout number. Argos Locations - location data parameters measured by the instruments include time, longitude, latitude, location quality, along with other diagnostic information provided by Argos (http://www.argos-system.org/). Summary Statistics - as well as sending records of individual events such as dives and haulouts, the SRDL also calculates summary statistics of those events over a specified time period (usually 3, 4 or 6 hours). Summary statistics computed by the instruments include the proportion of time spent diving, at the surface and hauled-out, the number of dives, and the average, standard deviation and maximum dive duration and dive depth during each summary period. These statistics are based on all the data recorded by the SRDL and thus are not prone to distortion by variations in the efficiency of transmission via Argos. SSM QC Locations - SSM-predicted locations and uncertainty at 6-h intervals from the location quality-control process. SSM-predicted locations are also appended to records in the CTD, Diving, Haulout, Argos Locations, and Summary Statistics datasets. See Jonsen et al. 2020 for further details on the SSM used for location quality controlMaintenance and Update Frequency: asNeededStatement: Tag deployments on southern elephant seals and Weddell seals occur annually. Deployments on southern elephant seals typically range from December through January. Deployments on Weddell seals typically range from February through March. Individual deployments can last until October/November for southern elephant seals and until September/October for Weddell seals. Shorter deployment durations occur when tags fall off or otherwise fail prematurely. Animal Tracking Facility SRDL logger data have been supplied to IMOS by Animal-Tagging Sub-Facility participants, via the Sea Mammal Research Unit (SMRU, St Andrews University, UK). Tags used on southern elephant seals and Weddell seals - CTD Oceanography Satellite Relay Data Loggers (Argos) - collect conductivity, temperature and depth information. On some seals - CTD/Fluorometer Oceanography SRDL (Argos) - collect conductivity, temperature, fluorescence and depth information. The CTD Oceanography SRDL (Argos) and CTD/Fluorometer Oceanography SRDL (Argos) are built by SMRU and incorporate CTD sensors developed by Valeport Ltd (Devon, UK) and a Turner Cyclops-7 fluorometer sensor developed by Turner Designs (San Jose, US). The CTD sensor head consists of a pressure transducer, a platinum resistance thermometer, and an inductive cell for measuring conductivity. The temperature and conductivity sensors have a precision (repeatability) of +/- 0.005oC and +/- 0.01 mS/cm, respectively. Before being taken into the field, devices are calibrated in the laboratory by Valeport. CTD-SRDLs and CTD/Fluorometer SRDLs record hydrographic profiles during the ascent of seals, retaining only the deepest dive in each six-hour time interval, and transmitting profiles in a compressed form (between 10 and 25 data points per profile, depending on the tag program) through the Advanced Research and Global Observation Satellite (ARGOS) system. The Animal-Tagging Sub-Facility conducts an automated, near real-time QC on the ARGOS positions as they are received daily. ARGOS geo-positioning is inherently error-prone, even with the introduction of new geo-positioning algorithms in 2011. The Animal-Tagging Sub-Facility uses a state-space model to quality control Argos location data, providing a median accuracy of +/- 3.24 km; see Jonsen et al. (2020) for details. These quality-controlled geo-positions are appended to all datasets (prefix: ?qc_ssm_?) and also provided as a separate dataset, SSM QC Locations, where SSM-predicted locations and their uncertainty are provided on a regular 6-h time interval. 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products and services from IMOS are provided as is without any warranty as to fitness for a particular purpose.&rft_rights=&rft_rights= http://creativecommons.org/licenses/by/4.0/&rft_rights=https://licensebuttons.net/l/by/4.0/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Creative Commons Attribution 4.0 International License&rft_rights=http://creativecommons.org/international/&rft_rights=WWW:LINK-1.0-http--related&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&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 the Integrated Marine Observing System (IMOS) - IMOS is a national collaborative research infrastructure, supported by the Australian Government. If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0&rft_subject=oceans&rft_subject=WATER TEMPERATURE&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=OCEAN TEMPERATURE&rft_subject=CONDUCTIVITY&rft_subject=SALINITY/DENSITY&rft_subject=Oceans | Marine Biology | Marine Mammals&rft_subject=Oceans | Marine Biology | Marine Birds&rft_subject=Satellite Tag&rft_subject=CTD Satellite Relay Data Logger&rft_subject=Agency | SMRU | Sea Mammal Research Unit&rft_subject=Tags and Tracking Devices&rft_subject=Global / Oceans | Atlantic Ocean&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Global / Oceans | Pacific Ocean&rft_subject=Marine Features (Australia) | Great Australian Bight, SA/WA&rft_subject=Marine Features (Australia) | Bass Strait, TAS/VIC&rft_subject=Regional Seas | Coral Sea&rft_subject=Regional Seas | Tasman Sea&rft_subject=Continents | Antarctica&rft_subject=Countries | Australia&rft_subject=Countries | New Zealand&rft_subject=Offshore Islands (Australia) | Heard & McDonald Islands&rft_subject=States, Territories (Australia) | Western Australia&rft_subject=Offshore Islands (Australia) | Macquarie Island&rft_subject=States, Territories (Australia) | South Australia&rft_subject=States, Territories (Australia) | Victoria&rft_subject=States, Territories (Australia) | Tasmania&rft_subject=States, Territories (Australia) | New South Wales&rft_subject=land-sea mammals&rft_subject=Temperature of the water body&rft_subject=Practical salinity of the water body&rft_subject=Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it&rft_subject=Fluorescence of the water body&rft_subject=Latitude north&rft_subject=Longitude east&rft_subject=water temperature sensor&rft_subject=CTD&rft_subject=SMRU CTD Satellite Relay Data Logger&rft_subject=SMRU Ltd Satellite Relay Data Logger 9000x&rft_subject=SMRU Ltd CTD/Fluorometer Satellite Relay Data Logger&rft_subject=Animal Tagging Sub-Facility, Integrated Marine Observing System (IMOS)&rft.type=dataset&rft.language=English Access the data
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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 the Integrated Marine Observing System (IMOS) - IMOS is a national collaborative research infrastructure, supported by the Australian Government." If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).

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Brief description

The Animal Tagging Sub-Facility of the IMOS Animal Tracking Facility (formerly known as the Australian Animal Tracking And Monitoring System (AATAMS)) is a coordinated marine animal satellite-tracking project. Satellite Relay Data Loggers (SRDL) (most with Conductivity-Temperature-Depth (CTD) sensors, and some with CTD/fluorometers) are used to explore how marine animals (e.g. mammals) interact with their oceanic environment. The primary focus of this program is to collect CTD data from marine mammals, such as southern elephant seals (Mirounga leonina) and Weddell seals (Leptonychotes weddellii), in the southern Indian Ocean and along the East Antarctic coast. This is achieved through international collaborations with the French national polar program's long-term National Observatory Services: Mammals as Ocean Bio-Samplers (SNO-MEMO), the National Institute of Water and Atmospheric Research as part of the Ross Sea Research and Monitoring Programme, and the CNES (Centre National d'Etudes Spatiales) TOSCA programme (Phoques de Weddell bio-oceanographes de la banquise antarctique et outils satellites) in Terre Adelie. SRDL loggers developed at the Sea Mammal Research Unit (SMRU, University of St Andrews, UK) transmit data in near real time via the Argos satellite system. This metadata record, represents several different datasets listed hereafter, which can all be accessed through a multi-WFS service.
The data represented by this record are presented in near real-time.
CTD - parameters measured by the instruments include time, depth, conductivity (salinity), temperature, speed and fluorescence (available in some deployments).
Diving - parameters measured by the instruments include individual dive start and end time, longitude/latitude at dive end time, post-dive surface duration, dive duration, maximum dive depth, intermediate dive depths and times.
Haulout - a haulout begins when the SRDL has been continuously dry for a specified length of time (usually 10 minutes). It ends when continuously wet for another interval (usually 40 seconds). Haulout data parameters measured by the instruments include haulout start and end dates and longitude/latitude, and haulout number.
Argos Locations - location data parameters measured by the instruments include time, longitude, latitude, location quality, along with other diagnostic information provided by Argos (http://www.argos-system.org/).
Summary Statistics - as well as sending records of individual events such as dives and haulouts, the SRDL also calculates summary statistics of those events over a specified time period (usually 3, 4 or 6 hours). Summary statistics computed by the instruments include the proportion of time spent diving, at the surface and hauled-out, the number of dives, and the average, standard deviation and maximum dive duration and dive depth during each summary period. These statistics are based on all the data recorded by the SRDL and thus are not prone to distortion by variations in the efficiency of transmission via Argos.
SSM QC Locations - SSM-predicted locations and uncertainty at 6-h intervals from the location quality-control process. SSM-predicted locations are also appended to records in the CTD, Diving, Haulout, Argos Locations, and Summary Statistics datasets. See Jonsen et al. 2020 for further details on the SSM used for location quality control

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Tag deployments on southern elephant seals and Weddell seals occur annually. Deployments on southern elephant seals typically range from December through January. Deployments on Weddell seals typically range from February through March. Individual deployments can last until October/November for southern elephant seals and until September/October for Weddell seals. Shorter deployment durations occur when tags fall off or otherwise fail prematurely.

Animal Tracking Facility SRDL logger data have been supplied to IMOS by Animal-Tagging Sub-Facility participants, via the Sea Mammal Research Unit (SMRU, St Andrews University, UK). Tags used on southern elephant seals and Weddell seals - CTD Oceanography Satellite Relay Data Loggers (Argos) - collect conductivity, temperature and depth information. On some seals - CTD/Fluorometer Oceanography SRDL (Argos) - collect conductivity, temperature, fluorescence and depth information. The CTD Oceanography SRDL (Argos) and CTD/Fluorometer Oceanography SRDL (Argos) are built by SMRU and incorporate CTD sensors developed by Valeport Ltd (Devon, UK) and a Turner Cyclops-7 fluorometer sensor developed by Turner Designs (San Jose, US). The CTD sensor head consists of a pressure transducer, a platinum resistance thermometer, and an inductive cell for measuring conductivity. The temperature and conductivity sensors have a precision (repeatability) of +/- 0.005oC and +/- 0.01 mS/cm, respectively. Before being taken into the field, devices are calibrated in the laboratory by Valeport. CTD-SRDLs and CTD/Fluorometer SRDLs record hydrographic profiles during the ascent of seals, retaining only the deepest dive in each six-hour time interval, and transmitting profiles in a compressed form (between 10 and 25 data points per profile, depending on the tag program) through the Advanced Research and Global Observation Satellite (ARGOS) system.
The Animal-Tagging Sub-Facility conducts an automated, near real-time QC on the ARGOS positions as they are received daily. ARGOS geo-positioning is inherently error-prone, even with the introduction of new geo-positioning algorithms in 2011. The Animal-Tagging Sub-Facility uses a state-space model to quality control Argos location data, providing a median accuracy of +/- 3.24 km; see Jonsen et al. (2020) for details. These quality-controlled geo-positions are appended to all datasets (prefix: ?qc_ssm_?) and also provided as a separate dataset, SSM QC Locations, where SSM-predicted locations and their uncertainty are provided on a regular 6-h time interval. Hydrographic profiles are currently subjected to a rigorous QC process only in delayed-mode, near real-time profiles are presented as transmitted by the tag.

Notes

Credit
Integrated Marine Observing System (IMOS). IMOS is a national collaborative research infrastructure, supported by Australian Government.
Credit
Sydney Institute of Marine Science (SIMS)
Credit
French National Center for Scientific Research (CNRS)
Credit
Macquarie University
Credit
University of Tasmania (UTAS)
Credit
Australian Antarctic Division (AAD)
Credit
National Institute of Water and Atmosphere (NIWA)
Credit
CSIRO Oceans and Atmosphere
Credit
Stockholm University (SU)
Credit
Shanghai Ocean University
Credit
Hokkaido University

Issued: 24 06 2020

Data time period: 2019-12-24

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Subjects
Agency | SMRU | Sea Mammal Research Unit | Animal Tagging Sub-Facility, Integrated Marine Observing System (IMOS) | Conductivity | CTD | CTD Satellite Relay Data Logger | Continents | Antarctica | Countries | Australia | Countries | New Zealand | EARTH SCIENCE | Fluorescence of the water body | Global / Oceans | Atlantic Ocean | Global / Oceans | Indian Ocean | Global / Oceans | Pacific Ocean | Global / Oceans | Southern Ocean | Latitude north | Longitude east | Marine Features (Australia) | Bass Strait, TAS/VIC | Marine Features (Australia) | Great Australian Bight, SA/WA | OCEAN TEMPERATURE | OCEANS | Oceans | Marine Biology | Marine Birds | Oceans | Marine Biology | Marine Mammals | Offshore Islands (Australia) | Heard & McDonald Islands | Offshore Islands (Australia) | Macquarie Island | Practical salinity of the water body | Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it | Regional Seas | Coral Sea | Regional Seas | Tasman Sea | SALINITY/DENSITY | SMRU CTD Satellite Relay Data Logger | SMRU Ltd CTD/Fluorometer Satellite Relay Data Logger | SMRU Ltd Satellite Relay Data Logger 9000x | Satellite Tag | States, Territories (Australia) | New South Wales | States, Territories (Australia) | South Australia | States, Territories (Australia) | Tasmania | States, Territories (Australia) | Victoria | States, Territories (Australia) | Western Australia | Tags and Tracking Devices | Temperature of the water body | Water Temperature | land-sea mammals | oceans | water temperature sensor |

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Other Information
(Animal Tracking page on IMOS website)

uri : http://imos.org.au/animaltracking.html

(View profile plots from Oceancurrent SealCTDs page)

uri : http://oceancurrent.imos.org.au/aatams.php

(OGC WFS help documentation)

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

(Jonsen et al. 2020 paper)

uri : https://movementecologyjournal.biomedcentral.com/articles/10.1186/s40462-020-00217-7

(Jonsen et al. 2018 paper)

doi : https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecy.2566

Identifiers
  • global : b2548767-514f-4a31-b65e-36bb894382d5
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