Data Trawler - Project details

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Project details

Title: National Facility External Users: D. Currie (SARDI)
Id: 2246
Short Name: National Facility user: Currie, D.
Investigator(s): David Currie
South Australian Research and Development Institute [details]

Years: 2008

List of surveys that this project was on. Click on column header to sort.

Use [details] link to view survey details (map, reports, metadata etc) including links to download data.

Survey InvestigatorDescription

D Currie (SARDI Aquatic Sciences) Southern Surveyor Transit Voyage SS2010_T02, Fremantle to Hobart. Scientific Objectives The Benthic Protection Zone (BPZ) of the Great Australian Bight Marine Park (GABMP) was proclaimed in 1998, and consists of a 20 nautical-mile-wide strip of seafloor orientated north to south and extending from three nautical miles from the coast to the edge of Australia's Exclusive Economic Zone (EEZ), 200 nautical miles offshore (Figure 1). Within this zone, the benthic assemblages are protected from demersal trawling and other potentially destructive human activities. The BPZ is presently one of fourteen temperate Commonwealth Marine Protected Areas (MPAs) in Australia. These MPAs form part of an integrated strategy for marine conservation and management through the National Representative System of Marine Protected Areas (NRSMPA). At present, no data are available on the benthic biodiversity of the continental slope of the BPZ, or the environmental factors that affect their patterns of distribution and abundance. This research addresses this knowledge gap and aims to provide quantitative information on the regional significance and diversity of the deep-water faunal communities of the BPZ. Taken from ss2010_t02 Voyage Plan.
SS 02/2008

D. Currie (SARDI) The role of submarine canyons in upwelling, sediment transport, and productivity hotspots off the Bonney Coast and Kangaroo Islands, South Australia.
Voyage Objectives
Upwelling will occur within canyons that are exposed to westward slope currents and be largest where ware core eddies are found. Two canyon systems that periodically exhibit upwelling will be surveyed during the voyage. an unnamed canyon system off the Bonney Coast is our principal area of interest, and will be surveyed first, but if time permits, a second canyon system, off the southeast tip of Kangaroo Island, will also be surveyed. The first two weeks in February is generally a period of coastal upwelling so it is also likely that such an event will be captured during the cruise but this is not essential to the canyon study. A broad-scale mapping survey suing swath, acoustics and ADCP will be conducted at each target area to obtain high-resolution bathymetry and a synoptic picture of the canyon and coastal upwelling. Following the mapping a series of transects along and to each side of the canyon axis will be established. Stations occupied along transects will be sampled with a CTD, lowered ADCP, grab, dredge and trawl.
Taken from SS02/2008 voyage plan.
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