6aac2d279f6e58f9bd66ca7c44173ae6 English dataset Polly Hadžiabdić British Oceanographic Data Centre Head of the BODC Requests Team Joseph Proudman Building 6 Brownlow Street Liverpool Merseyside L3 5DA United Kingdom enquiries@bodc.ac.uk https://www.bodc.ac.uk/ pointOfContact 2021-12-20T06:31:16 MEDIN 3.1.1 urn:ogc:def:crs:EPSG::4326 OGP Southern Elephant Seal CTD tag data 2004 - 2013 British Oceanographic Data Centre record 1048SOTAGDATA 2017-10-03 publication 2014-05-07 creation 2015-09-14 revision EDMED6072 http://www.bodc.ac.uk/ For around a decade, southern elephant seals (mirounga leonina) have been used to collect hydrographic (temperature & salinity) profiles in the Southern Ocean. CTD-SRDLs (Conductivity Temperature Depth –Satellite Relayed Data Loggers) attached to seals' heads in Antarctic and sub-Antarctic locations measure water property profiles during dives and transmit data using the ARGOS (Advanced Research & Global Observation Satellite) network (Fedak 2013). CTD-SRDLs are built by the Sea Mammal Research Unit (SMRU, University of St Andrews, UK); they include miniaturised CTD units made by Valeport Ltd. When seals are foraging at sea 2.5 profiles can be obtained daily, on average. Profiles average 500m depth, but can be 2000m in extreme cases (Boehme et al. 2009, Roquet et al. 2011). Deployment efforts have been very intensive in the Southern Indian Ocean, with biannual campaigns in the Kerguelen Islands since 2004 and many deployments in Davis and Casey Antarctic stations (Roquet et al., 2013) more recently. 207 CTD-SRDL tags have been deployed there, giving about 75,000 hydrographic profiles in the Kerguelen Plateau area. About two thirds of the dataset was obtained between 2011 & 2013 as a consequence of intensive Australian Antarctic station deployments. There is also regular data since 2004 from French and Franco-Australian Kerguelen Island deployments. Although not included here, many CTD-SRDL tags deployed in the Kerguelen Islands included a fluorimeter. Fluorescence profiles can be used as a proxy for chlorophyll content (Guinet et al. 2013, Blain et al. 2013). Seal-derived hydrographic data have been used successfully to improve understanding of elephant seal foraging strategies and their success (Biuw et al., 2007, Bailleul, 2007). They provide detailed hydrographic observations in places and seasons with virtually no other data sources (Roquet et al. 2009, Ohshima et al. 2013, Roquet et al. 2013). Hydrographic data available in this dataset were edited using an Argo-inspired procedure and then visually. Each CTD-SRDL dataset was adjusted using several delayed-mode techniques, including a temperature offset correction and a linear-in-pressure salinity correction - described in Roquet et al. (2011). Adjusted hydrographic data have estimated accuracies of about +/-0.03oC and +/-0.05 psu (practical salinity unit). The salinity accuracy depends largely on the distribution of CTD data for any given CTD-SRDL, which decides the quality of adjustment parameters. Adjustments are best when hydrographic profiles are available in the region between the Southern Antarctic Circumpolar Current Front and the Antarctic divergence (55oS-62oS latitude range in the Southern Indian Ocean). Several institutes provided funding for the associated programs and the logistics necessary for the fieldwork. The observatory MEMO (Mammifères Echantillonneurs du Milieu Marin), funded by CNRS institutes (INSU and INEE), carried out the French contribution to the study. The project received financial and logistical support from CNES (TOSCA program), the Institut Paul-Emile Victor (IPEV), the Total Foundation and ANR. MEMO is associated with the Coriolis centre, part of the SOERE consortium CTD02 (Coriolis-temps différé Observations Océaniques, PI: G. Reverdin), which distributes real-time and delayed-mode products. The Australian contribution came from the Australian Animal Tracking and Monitoring System, an Integrated Marine Observing System (IMOS) facility. The work was also supported by the Australian Government's Cooperative Research Centres Programme via the Antarctic Climate & Ecosystem Cooperative Research Centre. The University of Tasmania and Macquarie University's Animal Ethics Committees approved the animal handling. Both tagging programs are part of the MEOP (Marine Mammals Exploring the Oceans Pole to Pole) international consortium - an International Polar Year (IPY) project. Unknown British Oceanographic Data Centre Unknown Joseph Proudman Building 6 Brownlow Street Liverpool Merseyside L3 5DA United Kingdom enquiries@bodc.ac.uk https://www.bodc.ac.uk/ owner Unknown British Oceanographic Data Centre Unknown Joseph Proudman Building 6 Brownlow Street Liverpool Merseyside L3 5DA United Kingdom enquiries@bodc.ac.uk https://www.bodc.ac.uk/ originator British Oceanographic Data Centre Director Joseph Proudman Building 6 Brownlow Street Liverpool Merseyside L3 5DA United Kingdom enquiries@bodc.ac.uk https://www.bodc.ac.uk/ custodian British Oceanographic Data Centre Director Joseph Proudman Building 6 Brownlow Street Liverpool Merseyside L3 5DA United Kingdom enquiries@bodc.ac.uk https://www.bodc.ac.uk/ distributor asNeeded Oceanographic geographical features INSPIRE themes 2009-07-31 revision unknown Vertical Coverages 2020-05-21 revision Marine Environmental Data and Information Network Natural Environment Research Council Designated Data Centres MEDIN metadata record availability 2012-01-11 revision Temperature of the water column Electrical conductivity of the water column SeaDataNet PDV 2021-05-19 revision otherRestrictions No limitations apply Data are freely available otherRestrictions No conditions apply English oceans -5.00 160.00 -75.00 -40.00 SeaVoX water bodies 2021-10-28 revision Southern Ocean 2004-01-01 2013-12-31 Publication year: 2009-12-15 Publication title: Technical note: animal-borne CTD-Satellite Relay Data Loggers for real-time oceanographic data collection. Publication authors: Boehme, L., Lovell, P., Biuw, M., Roquet, F., Nicholson, J., Thorpe, S. E., Meredith, M. P. & Fedak, M. Publication editors: Ocean Science, 5, 685-695 (2009) Publication year: 2013-12-28 Publication title: Instrumented elephant seals reveal the seasonality in chlorophyll and light-mixing regime in the iron-fertilized Southern Ocean. Publication authors: Blain, S., Renaut, S., Xing, X., Claustre, H., and Guinet, C. Publication editors: Geophysical Research Letters, 40, 2013GL058065 (2013) Publication year: 2007-08-21 Publication title: Variations in behavior and condition of a Southern Ocean top predator in relation to in situ oceanographic conditions Publication authors: Biuw, M., etal Publication editors: Proceedings of the National Academy of Sciences, 104, 13705-13710 (2007) Publication year: 2007-11-29 Publication title: Successful foraging zones of southern elephant seals from Kerguelen Islands in relation to oceanographic conditions Publication authors: Bailleul, F., Charrassin, J.-B., Monestiez, P., Roquet, F., Biuw, M., and Guinet, C. Publication editors: Phil. Trans. Roy. Soc. B: Biological Sciences, 362, 2169-2181 Publication year: 2013-12-16 Publication title: Estimates of the Southern Ocean General Circulation Improved by Animal-Borne Instruments Publication authors: Roquet, F. etal Publication editors: Geophysical Research Letters, 2013GL058304 (2013) Publication year: 2013-02-24 Publication title: Antarctic Bottom Water production by intense sea-ice formation in the Cape Darnley polynya Publication authors: Ohshima, K. I., Fukamachi, Y., Williams, G. D., Nihashi, S., Roquet, F., Kitade, Y., Tamura, T., Hirano, D., Herraiz-Borreguero, L., Field, I., Hindell, M., Aoki, S., and Wakatsuchi, M. Publication editors: Nature Geosci., 6, 235-240 (2013). Publication year: 2013-01-01 Publication title: Calibration procedures and first dataset of Southern Ocean chlorophyll a profiles collected by elephant seals equipped with a newly developed CTD-fluorescence tags Publication authors: Guinet, C., etal Publication editors: Earth System Science Data, 5, 15-29 (2013) Publication year: 2013-04-01 Publication title: The impact of animal platforms on polar ocean observation. Publication authors: Fedak, M. A. Publication editors: Deep Sea Research Part II: Topical Studies in Oceanography, 88-89, 7-13 (2013) Publication year: 2009-01-01 Publication title: Observations of the Fawn Trough Current over the Kerguelen Plateau from instrumented elephant seals Publication authors: Roquet, F., Park, Y.-H., Guinet, C., Bailleul, F., and Charrassin, J.-B. Publication editors: J. Mar. Syst., 78, 377-393 (2009). Publication year: 2011-06-01 Publication title: Delayed-Mode Calibration of Hydrographic Data Obtained from Animal-Borne Satellite Relay Data Loggers. Publication authors: Roquet, F., Charrassin, J.-B., Marchand, S., Boehme, L., Fedak, M., Reverdin, G., and Guinet, C. Publication editors: J. Atmos. Oceanic Technol., 28, 787-801 (2011). Network Common Data Form Ocean Data View https://www.bodc.ac.uk/data/published_data_library/catalogue/10.5285/f8f4dc5f-2eed-24ef-e044-000b5de50f38/ Published dataset - doi:10.5285/f8f4dc5f-2eed-24ef-e044-000b5de50f38 Roquet F.; Guinet C.; Hindell M. (2014). A Southern Indian Ocean hydrographic database obtained with instrumented elephant seals. British Oceanographic Data Centre - Natural Environment Research Council, UK. doi:10/srk. download dataset COMMISSION REGULATION (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 publication BODC protocols are based on the Open Archival Information System (OAIS) model enabling BODC to iterate towards compliance with the on-going evolution and development of community requirements including FAIR (Findable,Accessible,Interoperable,Reusable), TRUST (Transparency, Responsibility, User community, Sustainability, Technology) and CARE (Collective Benefit, Authority to Control, Responsibility, Ethics). Data managers quality assure submissions and assemble the metadata necessary for curation. Submissions (as received) are placed in a long-term accession and stored in triplicate across multiple sites. Appropriate data are transferred into a standard internal format with source variable names mapped to controlled vocabularies, documentation assembled, and metadata loaded into BODC databases. Access to these data is through direct request, the BODC website and through partner repositories such as SeaDataNet. Access control is attained by assigning a data policy to each set of data and this policy is used to administer access when data are requested. Discovery metadata is aligned with EU INSPIRE (through MEDIN) and SeaDataNet community standards. Data are converted to open community formats including Ocean Data View ASCII and SeaDataNet NetCDF, with data described using terms from the NERC vocabulary server. BODC submission agreements are documented on the BODC website and customer service is assured with a dedicated requests team that serve data following local regulations including General Data Protection Regulation (GDPR) 2018 and Environmental Information Regulations (EIR) 2004. true For around a decade, southern elephant seals (mirounga leonina) have been used to collect hydrographic (temperature and salinity) profiles in the Southern Ocean. Conductivity Temperature Depth Satellite Relayed Data Loggers (CTD-SRDLs) attached to seals' heads in Antarctic and sub-Antarctic locations measure water property profiles during dives and transmit data using the ARGOS (Advanced Research and Global Observation Satellite) network (Fedak 2013). CTD-SRDLs are built by the Sea Mammal Research Unit (SMRU, University of St Andrews, UK); they include miniaturised CTD units made by Valeport Ltd. When seals are foraging at sea 2.5 profiles can be obtained daily, on average. Profiles average 500m depth, but can be 2000m in extreme cases (Boehme et al. 2009, Roquet et al. 2011). Deployment efforts have been very intensive in the Southern Indian Ocean, with biannual campaigns in the Kerguelen Islands since 2004 and many deployments in Davis and Casey Antarctic stations (Roquet et al., 2013) more recently. 207 CTD-SRDL tags have been deployed there, giving about 75,000 hydrographic profiles in the Kerguelen Plateau area. About two thirds of the dataset was obtained between 2011 and 2013 as a consequence of intensive Australian Antarctic station deployments. There is also regular data since 2004 from French and Franco-Australian Kerguelen Island deployments. Hydrographic data available in this dataset were edited using an Argo-inspired procedure and then visually screened by the data originator. Each CTD-SRDL dataset was adjusted using several delayed-mode techniques, including a temperature offset correction and a linear-in-pressure salinity correction described in Roquet et al. (2011). Adjusted hydrographic data have estimated accuracies of about +/-0.03oC in temperature and +/-0.05 in salinity. The salinity accuracy depends largely on the distribution of CTD data for any given CTD-SRDL, which decides the quality of adjustment parameters. Adjustments are best when hydrographic profiles are available in the region between the Southern Antarctic Circumpolar Current Front and the Antarctic divergence (55oS-62oS latitude range in the Southern Indian Ocean). Several institutes provided funding for the associated programs and the logistics necessary for the fieldwork. The observatory MEMO (Mammifères Echantillonneurs du Milieu Marin), funded by CNRS institutes (INSU and INEE), carried out the French contribution to the study. The project received financial and logistical support from CNES (TOSCA program), the Institut Paul-Emile Victor (IPEV), the Total Foundation and ANR. MEMO is associated with the Coriolis centre, part of the SOERE consortium CTD02 (Coriolis-temps différé Observations Océaniques, PI: G. Reverdin), which distributes real-time and delayed-mode products. The Australian contribution came from the Australian Animal Tracking and Monitoring System, an Integrated Marine Observing System (IMOS) facility. The work was also supported by the Australian Government's Cooperative Research Centres Programme via the Antarctic Climate and Ecosystem Cooperative Research Centre. The University of Tasmania and Macquarie University's Animal Ethics Committees approved the animal handling. Both tagging programs are part of the MEOP (Marine Mammals Exploring the Oceans Pole to Pole) international consortium - an International Polar Year (IPY) project. The data were published directly and without modification in the Published Data Library by the British Oceanographic Data Centre. Instrument(s) used to collect data: CTD.