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Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)

Belchier, M.; Fretwell, P.T.. 2009 Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3). CCAMLR Science, 16. 167-175.

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Abstract/Summary

A new South Georgia Bathymetric Dataset (SGDB) was compiled from a variety of primary sources including multi-beam swath bathymetry. Sea floor area (km(2) <500 m depth) within CCAMLR Subarea 48.3 was calculated using this new dataset. Total sea floor area within the region closely matched existing estimates derived from nautical charts (and single-point sounding data). However, the reliability of existing sea floor area estimates was found to vary spatially and between different depth strata. The new dataset is considered the most accurate and reliable currently available and should be used for future assessments and for assisting with the stratification of surveys.

Item Type: Publication - Article
Programmes: BAS Programmes > Polar Science for Planet Earth (2009 - ) > Ecosystems
ISSN: 10234063
Additional Keywords: Bathymetry
NORA Subject Terms: Marine Sciences
Date made live: 04 Aug 2010 09:13
URI: http://nora.nerc.ac.uk/id/eprint/10208

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