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T/S (Temperature-Salinity) Profilers

18 record(s)

 

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  • Prawn larval densities were calculated from stepped oblique bottom to surface plankton tows, deployed during monthly cruises carried out at twenty-one stations in Albatross Bay, Gulf of Carpentaria. Cruises were undertaken between March 1986 and April 1992. Penaeid prawn counts were recorded to species level (Penaeus spp.) for all observed larval stages. Sampling used a stepped-oblique tow, using a 0.5 x 0.5 square metre frame with 140-142 micron mesh. Salinity-temperature profiles were also recorded during the cruise.

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    This dataset contains nutrient, temperature, salinity, chlorophyll a, suspended solids and light data from Jervis Bay, NSW. The data were obtained from 9 sites around Jervis Bay, every 3 months between 1989 and 1991. Data from monthly sampling for 2 years from 5 sites were also obtained. The data are part of the Jervis Bay Marine Ecological Study. NB - As the database has been lost, the only data still available are those published in the JERVIS BAY BASELINE STUDIES Final Report.

  • Total zooplankton biomass levels were calculated from stepped oblique bottom to surface plankton tows, deployed during monthly cruises carried out at twenty-one stations in Albatross Bay, Gulf of Carpentaria. Cruises were undertaken between March 1986 and April 1992. Total zooplankton biomass were calculated as grams dry weight. Sampling used a stepped-oblique tow, using a 0.5 x 0.5 square metre frame with either a 140-142 micron mesh (sampler_code = 'A'), or a 250 micron mesh (sampler_code='E')

  • Prawn larval densities were calculated from stepped oblique bottom to surface plankton tows, deployed during monthly cruises carried out between March 1986 and April 1992, at twenty-one stations in Albatross Bay, Gulf of Carpentaria. Penaeid prawn counts were recorded to genus level (Penaeus spp.) for all observed larval stages. Salinity-temperature profiles were also recorded during the cruise.

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    The Huon Estuary Study was undertaken by CSIRO Marine Research between 1996 and 1998. The Huon Estuary is in South Eastern Tasmania. This record references the autonomous profilers which were deployed as part of the Huon Estuary Study. The profilers operated at two locations, Killala and Hideaway Bays. At both sites conductivity, temperature, fluorescence, underwater light, dissolved oxygen and par sensors were deployed as well as a wind sensor at Killala Bay. For a number of parameters the raw data was processed using calibration co-efficients and converted to engineering units. The processed profile data is stored as daily, monthly and also as a dataset for duration of the deployment.

  • During October to December 1997, estuarine habitats in the Joseph Bonaparte Gulf (JBG) were beam trawled to determine the distribution of juvenile red-legged banana prawns, Penaeus indicus (H. Milne Edwards, 1837) and white banana prawns, Penaeus merguiensis (de Mann, 1888). In total 229 beam-trawls at 185 sites were performed, mostly over a 100 m path (3 min duration) between Pearce Point (north of the Victoria River) and just west of the King George River (including Cambridge Gulf). A Global Positioning System (GPS) receiver was used to verify site location. During October to December 1998, three of the rivers that were sampled in 1997 were intensively re-sampled to confirm the gulf-wide distribution of P. indicus and P. merguiensis and to investigate the microhabitat use of P. indicus. Sample sites were chosen from previously-sampled and new sites in Forsyth Creek (eastern Joseph Bonaparte Gulf), the Lyne River (Cambridge Gulf), and the Berkeley River (western Joseph Bonaparte Gulf). A total of 249 trawls were done at 21 sites, mostly over 100 m. Salinity, temperature, secchi, tide and sediment samples were also collected.

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    BOA is the result of collecting together the majority of global high-quality buoy and shipboard deepwater hydrographic cast data. It is built on the NOAA/NODC World Ocean Database (BOA06 uses WOD01), WOCE WHP3, Argo, TAO, CSIRO and NIWA archives, and a number of other sources. The component datasets of BOA are stored separately in a range of formats since the nature of these datasets is quite varied. This approach allows easy updating of components (for example, the Argo subset is completely renewed every couple of months.) Where the same data could reside in multiple datasets, those datasets are duplicate cross-checked after any updates (scanning only on the basis of time and location, not the enormous task of searching for duplicated property profiles.). BOA is available in a packaged form of one netCDF file per property (created in July 2006.) Neutral density profiles are also computed and stored in file gamma_BOA06.nc. These files are available via an OpenDAP server and for internal use as local netCDF files.

  • Monthly cruises were carried out between March 1986 and April 1992, at forty three stations in Albatross Bay, Gulf of Carpentaria. Salinity-temperature profiles were recorded at all larval [zooplankton] sampling stations using a submersible data logger (CSIRO/Yeo-Kal SDL®). The SDL was deployed by dropping to the bottom, and retrieving slowly such that the temperature, salinity and depth were recorded approximately every 1-2 metres. The data have been processed to remove the spurious records at the start (before logger entered the water) and end (after removal from the water) of the profile.

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    Argo is an international collaboration that collects high-quality temperature and salinity profiles from the upper 2000m of the ice-free global ocean and currents from intermediate depths. The data comes from more than 3000 battery-powered autonomous floats that spend most of their life drifting at depth covering most of the world oceans. At typically 10-day intervals, the floats rise to the surface over about 6 hours while measuring temperature and salinity. Satellites determine the position of the floats when they surface, and receive the data transmitted by the floats. The float then returns to its original density and sinks to drift until the cycle is repeated. Floats are designed to make about 150 such cycles. Argo Australia provides real-time observations of the oceans around Australia by maintaining an array of autonomous profiling floats. Data and information regarding Argo Australia and the International Argo program can be found at the Argo Australia web page (see data link below). CMAR holds a mirror of the data from the US Argo server for internal project access, this is regularly updated. (see data link below).

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    The Australian Continuous Plankton Recorder (AusCPR) survey is a joint project between CSIRO Oceans and Atmosphere (O&A) and the Australian Antarctic Division (AAD) to measure plankton communities as a guide to the health of Australia's oceans. The AusCPR survey is part of the Integrated Marine Observing System (IMOS), a national collaborative program to observe Australia's marine environments. IMOS is funded by the Commonwealth Department of Education, Science and Training. The aims of the AusCPR survey are to: * map plankton biodiversity and distribution * develop the first long-term plankton baseline for Australian waters * document plankton changes in response to climate change * provide indices for fisheries management * detect harmful algal blooms * validate satellite remote sensing * initialise and test ecosystem models. Servicing and maintenance of the CPRs and analysis of the samples for the AusCPR survey will be carried out by staff based at the O&A CSIRO laboratories in Brisbane (QLD), Hobart (TAS) and at the AAD in Hobart (TAS). The project is funded by the Integrated Marine Observing System (IMOS) and falls with the Ships of Opportunity facility. Data storage and access is planned to be interoperable with other national and international programs through the IMOS Infrastructure. Results from the AusCPR survey are available through the AODN portal: https://portal.aodn.org.au.