Data Trawler - Project details

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Project details

Title: ARGO float deployment
Id: 2623
Acronym: ARGO
Investigator(s): Gabriela Semolini Pilo
CSIRO Oceans & Atmosphere [details]

Description: The Array for Real-Time Geostrophic Oceanography (ARGO) program is a collaboration of scientific institutions around the world, and includes an Australian contribution led by the CSIRO. Given the lifespan of ~3-5 years for each deployed float, the objective on this voyage is to deploy additional floats in strategic areas of the Southern Ocean to maintain geographic coverage of the data array. ARGO floats will be deployed on an opportunistic basis, when weather and other voyage activities are not impacted. Estimated drop coordinates are:

Float #1: 43.5oS, 142.3oE

Float #2: 42.6oS, 143.5oE

Or at these longitudes, along the ship’s track. The MNF has agreed to deploy 2 standard ARGO float(s) at predetermined waypoints.

Years: 2023
Hierachy: Broadscale Ocean Dynamics & Observations

List of surveys that this project was on.

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

Survey InvestigatorDescription
IN2023_V02

[details]		 Martin Jutzeler (UTAS)

Offshore western Tasmania, a gigantic 450km3 submarine landslide shows as an abrupt headscarp failure. At our knowledge, this submarine landslide has never been examined in detail before, despite being a remarkably sharp morphology on bathymetric maps. This project investigates the geomorphology and biodiversity of this region with four research aims:

  1. To assess the morphology and internal structure of the submarine landslide to model transport and sedimentation processes of submarine landslides and associated mass flows.
  2. Unravel the causes of failure of this submarine landslide and calculate the tsunamigenic potential of similar shelf collapses around Australia. Based on quantitative data collect at sea, numerically model tsunami inundation and use this model as representative example for tsunami risk mitigation for coastal Australia.
  3. Map the offshore continuation of major fault zones and the highly mineralised Mount Read Volcanics to extend our understanding of the geology and tectonism of Tasmania. Map potential prospective resources on the shallow shelf.
  4. Increase the knowledge of seafloor habitat features and associated biodiversity within this region and understand the drivers of the spatial distribution of seafloor biodiversity and nutrients in relation to concentration of nutrients in water, ocean currents (including upwelling) and fine-scale geomorphological variations.
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