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Project details

Title: National Facility External Users: P. De Deckker (ANU)
Id: 125
Short Name: National Facility user: De Deckker, P.
Investigator(s): Patrick De Deckker
Australian National University - Research School of Earth Sciences [details]

Description:
Years: 1994

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
SS2011_T04

[details]
P. de Deckker (ANU) Southern Surveyor SS2011_T04. 2,000 years of oceanic history offshore southern Australia in combination with National upper slope seabed multi-beam mapping and ecological interpretation Scientific Objectives: Project 1: PI: Prof. Patrick De Deckker This project will generate high-resolution records of sea-surface temperature [SST] changes that have occurred offshore southern Australlia over the last two millennia. A variety of innovative proxies will be employed and used for comparison with lake records on land. International collaboration is a feature of this program, linking with the Royal Netherlands Institute for Sea Research [NIOZ] to determine past sea-surface temperatures and wind-induced upwelling conditions using specific organic compounds recovered in deep-sea cores, and with the marine radio-isotope laboratory in Bordeaux, France, to accurately date cores over short time scales. Project 2: PI: Dr Rudy Kloser Spatial management is becoming increasingly common and Australia leads the world in developing a National Representative System of Marine Protected Areas (NRSMPA) by 2012. However, the NRSMPA by itself will not be adequate to manage and protect the marine environment and spatial management of areas outside the NRSMPA will be required. This places an increased demand on scientists to know the physical structure of those areas and their value to biodiversity and ecosystem function. Extracted from Voyage plan please read plan for full description.
SS2011_T01

[details]
P.De Deckker (ANU) 2,000 years of oceanic history offshore Eastern Australia. Scientific objectives -This project will generate high-resolution records of sea-surface temperature [SST] changes that have occurred in the Tasman Sea over the last two millennia. A variety of innovative proxies will be employed and used for comparison with lake records on land. International collaboration is a feature of this program, linking with the Royal Netherlands Institute for Sea Research [NIOZ] to determine past sea-surface temperatures and wind-induced upwelling conditions using specific organic compounds recovered in deep-sea cores, and with the marine radio-isotope laboratory in Bordeaux, France, to accurately date cores over short time scales. De Deckker is to collect samples using a multicorer and a student is to go to NIOZ to analyse the samples under the supervision of Dr Schouten. De Deckker will be assisted by both a research assistant and a PhD student at ANU to extract microfossils and date some of them using the radiocarbon technique. Schmidt is to return to France with some of the samples obtained with the multicorer to date them in her radio-isotope laboratory. Rathburn is to subsample several of the cores with his postgraduate student to study the live infaunal microbiota that live in the upper few cm of the sea floor.
ST 02/2007

[details]
Professor P. De Deckker (ANU) To complete the vibracoring objectives of Southern Surveyor voyage SS02/2006.
Scientific Objectives of Southern Surveyor Transit 02/2007.
During voyage SS02/2006, using the sub-bottom profiler, several ancient courses of the River Murray were located along with the position of two extensive lacustrine deposits on the Lacepede Shelf. Many unsuccessful attempts were made at coring the sea floor using a gravity corer. There are two main objectives to this voyage:
  1. To obtain cores (vibocoring) from the ancient lake deposits on the Lacepede Shelf.
  2. To obtain additional information on the seafloor near the coast lines offshore Portland adjacent to the Glenelg River and offshore western Tasmania.
SS 02/2006

[details]
Professor P. De Deckker (ANU) Southern Surveyor voyage SS02/2006.
Scientific Objectives
There are 2 principal objectives, plus 2 minor ones [one being listed as a piggy-back project].
The first objective is to study large holes that have been found during the AUSCAN 2003 cruise offshore the Murray Canyons Group offshore Kangaroo Island. These holes occur along possible tectonic lineaments from depths between 4,500 and 5,500 m. Water samples [for water chemistry and microbiology] and short cores will be taken in some of the holes in an attempt to determine their mode of formation.
The second objective is to determine, by means of swath mapping and sub-bottom profiling, the location of several of the ancient meanders of the River Murray that would have been formed during periods of low sea level on the very broad Lacepede Shelf. An attempt will be made to link the meanders with the heads of the various canyons of the Murray Canyons Group, and determine if erosion is currently active at those locations. Short cores will be taken on the Lacepede Shelf in an attempt to find a high-resolution Holocene record of fluvial outwash of the Murray. CTD measurements will be taken along some of the meanders to determine whether they act as conduits of continental, fresh waters.
A minor objective is to follow and map in several places the low sealevel stand that occurred 20,000 years ago and dredge wherever possible suitable material for dating and geochemical analysis. (taken from National Facility Voyage Plan SS02/2006)
FR 07/2001

[details]
Dr Patrick De Deckker (ANU) The palaeoclimatic history of the New Caledonia region - closing the gap between the deep-sea and the coral records by obtaining and analysing sediment cores from the ocean floor in waters south of Noumea.
FR 02/96

[details]
P. De Deckker (ANU) Cruise FR 02/96 was undertaken to study the ecology and palaeoecology of marine micro-organisms; their use as indicators of changes in palaeoenvironmental conditions and interpret the late-Glacial and Holocene climatic history of the eastern Indian Ocean off Western Australia. Survey methods included ADCP, CTDs, gravity cores, vertical/surface plankton tows and underway instrumentation. Data, plankton, sediments and water samples were collected for on board and laboratory analyses.
FR 10/95

[details]
P. De Deckker (ANU) Cruise FR 10/95 was undertaken to study the history of oceanic changes in the east Indian Ocean off the WA coast. Survey methods included CTDs, gravity and multiple cores, plankton tows and underway instrumentation. Sediment, water, benthic and planktonic samples were collected to build an ecological database on organisms of use for the reconstruction of past oceanic conditions. Samples were collected for on board and laboratory analyses.
FR 01/94

[details]
P. De Deckker (ANU) including other Pis Cruise FR 01/94 was undertaken to determine the position of the subtropical convergence (STC) off the east and south-east coast of Tasmania during the last glacial/interglacial cycle through the study of deep sea cores. Survey methods included gravity cores, grabs, plankton tows, 1 CTD cast and underway instrumentation. Numerous samples of water, sediment, planktonic and benthic organisms were collected for on board and laboratory analyses.
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