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Arctic Ocean Bathymetry: A Necessary Geospatial Framework
Responsible organisation
2015 (English)In: Arctic, ISSN 0004-0843, E-ISSN 1923-1245, Vol. 68, no 1, 41-47 p.Article in journal (Refereed) Published
Abstract [en]

Most ocean science relies on a geospatial infrastructure that is built from bathymetry data collected from ships underway, archived, and converted into maps and digital grids. Bathymetry, the depth of the seafloor, besides having vital importance to geology and navigation, is a fundamental element in studies of deep water circulation, tides, tsunami forecasting, upwelling, fishing resources, wave action, sediment transport, environmental change, and slope stability, as well as in site selection for platforms, cables, and pipelines, waste disposal, and mineral extraction. Recent developments in multibeam sonar mapping have-so dramatically increased the resolution with which the seafloor can be portrayed that previous representations must be considered obsolete. Scientific conclusions based on sparse bathymetric information should be re-examined and refined. At this time only about 11% of the Arctic Ocean has been mapped with multibeam; the rest of its seafloor area is portrayed through mathematical interpolation using a very sparse depth-sounding database. In order for all Arctic marine activities to benefit fully from the improvement that multibeam provides, the entire Arctic Ocean must be multibeam-mapped, a task that can be accomplished only through international coordination and collaboration that includes the scientific community, naval institutions, and industry.

Place, publisher, year, edition, pages
2015. Vol. 68, no 1, 41-47 p.
Keyword [en]
bathymetry; Arctic Ocean; mapping; oceanography; tectonics
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:polar:diva-2931OAI: oai:DiVA.org:polar-2931DiVA: diva2:1046066
Available from: 2016-11-11 Created: 2016-10-27 Last updated: 2016-11-11

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