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The International Bathymetric Chart of the Southern Ocean (IBCSO) - digital bathymetric model

Publication Date
DOI: 10.1594/pangaea.805734
  • Awi_Geophy
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  • Marine Geophysics @ Awi
  • Projection
  • Resolution
  • Uniform Resource Locator/Link To File


AGU2012_IBCSO_grid_ePoster a b c d e c1 c2 a1 a2 b2 b1 e2e1d1 d2 base restore IBCSO version 1.0 The �rst release of the International Bathymetric Chart of the Southern Ocean Basis data in several formats HDCS XYZ Images Grids MBSystem Shape etc... IBCSO data base ASCII (X; Y; Z; Weight; ID) Gridding: remove-restore gap-�ll Data Cleaning: QPS Fledermaus Iterations Homogenization Digital Bathymetric Model Jan Erik Arndt 1), Hans Werner Schenke 1), Martin Jakobsson 2), Frank O. Nitsche 3), Gwen Buys 4), Bruce Goleby 5), Michele Rebesco 6), Fernando Bohoyo 7), Jongkuk Hong 8), Jenny Black 9), Rudolf Greku 10), Gleb Udintsev 11), Felipe Barrios 12), Walter Reynoso-Peralta 13), Morishita Taisei 14), Rochelle Wigley 15) G en er a l B athym etric C h a r t o f t h e O ce a n s GEBCO Introduction IBCSO is the �rst regional charting project covering the entire Southern Ocean. The main objective of the IBCSO was therefore to create the �rst seamless digital bathymetric model (DBM) of the Southern Ocean comprising all available bathymetric data from various sourc- es around the globe. IBCSO version 1.0 is covering the area south of 60° S with a resolution of 500 m x 500 m based on a polar stereo- graphic projection with true scale at 65° S. An Editorial Board was established that collectively gathered more than 4 000 million echosounding points from more than 30 institutions, in 15 di�er- ent countries. All contributed data sets have been transformed into a generic ASCII XYZ data format, including weighting fac- tors and unique source identi�cation codes as point attributes. The DBM then was derived using an iterative process of grid- ding and cleaning the data. IBCSO retrieval: The IBCSO products, DBM and an adjacent map, are going to be publically available by spring 2013 via and via the data portal PANGAEA. Contacts: [email protected]; [email protected] Data contributors: Remove-Restore method: The re

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