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The International Bathymetric Chart of the Arctic Ocean Version 4.0
Stockholms universitet, Institutionen för geologiska vetenskaper.ORCID iD: 0000-0002-9033-3559
Stockholms universitet, Institutionen för geologiska vetenskaper.
Stockholms universitet, Institutionen för geologiska vetenskaper.
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Number of Authors: 52
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2020 (English)In: Scientific Data, E-ISSN 2052-4463, Vol. 7, no 1, article id 176Article in journal (Refereed) Published
Abstract [en]

Bathymetry (seafloor depth), is a critical parameter providing the geospatial context for a multitude of marine scientific studies. Since 1997, the International Bathymetric Chart of the Arctic Ocean (IBCAO) has been the authoritative source of bathymetry for the Arctic Ocean. IBCAO has merged its efforts with the Nippon Foundation-GEBCO-Seabed 2030 Project, with the goal of mapping all of the oceans by 2030. Here we present the latest version (IBCAO Ver. 4.0), with more than twice the resolution (200 x 200m versus 500 x 500m) and with individual depth soundings constraining three times more area of the Arctic Ocean (similar to 19.8% versus 6.7%), than the previous IBCAO Ver. 3.0 released in 2012. Modern multibeam bathymetry comprises similar to 14.3% in Ver. 4.0 compared to similar to 5.4% in Ver. 3.0. Thus, the new IBCAO Ver. 4.0 has substantially more seafloor morphological information that offers new insights into a range of submarine features and processes; for example, the improved portrayal of Greenland fjords better serves predictive modelling of the fate of the Greenland Ice Sheet. Machine-accessible metadata file describing the reported data: 10.6084/m9.figshare.12369314

Place, publisher, year, edition, pages
2020. Vol. 7, no 1, article id 176
National Category
Earth and Related Environmental Sciences
Research subject
SWEDARCTIC 1991, Arctic Ocean 1991; SWEDARCTIC 1996, Arctic Ocean 1996; SWEDARCTIC 2001, Arctic Ocean 2001; SWEDARCTIC 2007, AGAVE; SWEDARCTIC 2007, LOMROG; SWEDARCTIC 2009, LOMROG II; SWEDARCTIC 2011, EAGER; SWEDARCTIC 2012, LOMROG III; SWEDARCTIC 2014, SWERUS-C3; SWEDARCTIC 2015, Petermann 2015; SWEDARCTIC 2016, Arctic Ocean 2016; SWEDARCTIC 2019, SWEDARCTIC, Ryder 2019
Identifiers
URN: urn:nbn:se:polar:diva-8534DOI: 10.1038/s41597-020-0520-9ISI: 000552037100001PubMedID: 32647176OAI: oai:DiVA.org:polar-8534DiVA, id: diva2:1517494
Available from: 2020-09-18 Created: 2021-01-14

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