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A comparison between GEBCO sheet 5.17 and the International Bathymetric Chart of the Arctic Ocean (IBCAO) version 1.0
Responsible organisation
2006 (English)In: Marine Geophysical Researches, ISSN 0025-3235, E-ISSN 1573-0581, Vol. 27, no 1, 35-48 p.Article in journal (Refereed) Published
Abstract [en]

In 1979, the General Bathymetric Chart of the Oceans (GEBCO) published Sheet 5.17 in the Fifth Edition of its series of global bathymetric maps. Sheet 5.17 covered the northern polar region above 64 degrees N, and was for long the authoritative portrayal of Arctic bathymetry. The GEBCO compilation team had access to an extremely sparse sounding database from the central Arctic Ocean, due to the difficulty of mapping in this permanently ice covered region. In the past decade, there has been a substantial increase in the database of central Arctic Ocean bathymetry, due to the declassification of sounding data collected by US and British Navy nuclear submarines, and to the capability of modern icebreakers to measure ocean depths in heavy ice conditions. From these data sets, evidence has mounted to indicate that many of the smaller (and some larger) bathymetric features of Sheet 5.17 were poorly or wrongly defined. Within the framework of the project to construct the International Bathymetric Chart of the Arctic Ocean (IBCAO), all available historic and modern data sets were compiled to create a digital bathymetric model. In this paper, we compare both generally and in detail the contents of GEBCO Sheet 5.17 and version 1.0 of IBCAO, two bathymetric portrayals that were created more than 20 years apart. The results should be helpful in the analysis and assessment of previously published studies that were based on GEBCO Sheet 5.17.

Place, publisher, year, edition, pages
Stockholm Univ, Dept Geol & Geochem, S-10691 Stockholm, Sweden. Geol Survey Canada, Ottawa, ON, Canada., 2006. Vol. 27, no 1, 35-48 p.
Keyword [en]
Arctic Ocean, bathymetry, physiography, ocean mapping, seafloor morphology
National Category
Natural Sciences
Research subject
SWEDARCTIC 1996, Arctic Ocean 1996
Identifiers
URN: urn:nbn:se:polar:diva-2399DOI: 10.1007/s11001-005-7760-0ISI: 000237437700004OAI: oai:DiVA.org:polar-2399DiVA: diva2:859126
Available from: 2015-10-06 Created: 2015-10-06 Last updated: 2016-11-21

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf