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Action Group on Multibeam Data Acquisition
At the XXXI SCAR Delegates Meeting in August 2010, the SSG on Geosciences recommended the establishment of an Action Group to identify data needs and best practice protocols for mapping of Last Glacial cycle grounding zones using multibeam bathymetry. Mapping the position of past grounding zones of the Antarctic Ice Sheet is important in providing boundary conditions for understanding ice volume history during the last glacial cycle, in understanding regional differences in ice behaviour and in mapping the availability of refugia for marine benthic biota.
The Action Group will:
- Identify the highest priority areas where multibeam bathymetry will provide important insights into the position and retreat history of the ice sheet grounding zone and, where such data do not exist,
- Set out survey design guidelines to maximise the value of multibeam surveys in interpreting grounding zone position, behaviour and history of the Antarctic shelf.
Contact: Phil Bart (pbart@lsu.edu) or Frank Nitsche (fnitsche@ldeo.columbia.edu)
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