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GEOMAGIA50.v3: 1. general structure and modifications to the archeological and volcanic database

  • Brown, Maxwell C GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Donadini, Fabio Department of Earth Sciences, University of Fribourg, Switzerland
  • Korte, Monika GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Nilsson, Andreas Geomagnetism Laboratory, Department of Earth, Ocean and Ecological Sciences, University of Liverpool, UK - Current address: Department of Geology, Quaternary Sciences, Lund University, Sweden
  • Korhonen, Kimmo Geological Survey of Finland, Espoo, Finland
  • Lodge, Alexandra Geomagnetism Laboratory, Department of Earth, Ocean and Ecological Sciences, University of Liverpool, UK - AWE Blacknest, Brimpton, Reading, UK
  • Lengyel, Stacey N Illinois State Museum, Research and Collections Center, Springfield, Illinois, USA
  • Constable, Catherine G Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography, University of California, San Diego, CA, USA
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    12.05.2015
Published in:
  • Earth, Planets and Space. - 2015, vol. 67, no. 1, p. 83
English Background: GEOMAGIA50.v3 is a comprehensive online database providing access to published paleomagnetic, rock magnetic, and chronological data from a variety of materials that record Earth’s magnetic field over the past 50 ka.Findings: Since its original release in 2006, the structure and function of the database have been updated and a significant number of data have been added. Notable modifications are the following: (1) the inclusion of additional intensity, directional and metadata from archeological and volcanic materials and an improved documentation of radiocarbon dates; (2) a new data model to accommodate paleomagnetic, rock magnetic, and chronological data from lake and marine sediments; (3) a refinement of the geographic constraints in the archeomagnetic/volcanic query allowing selection of particular locations; (4) more flexible methodological and statistical constraints in the archeomagnetic/volcanic query; (5) the calculation of predictions of the Holocene geomagnetic field from a series of time varying global field models; (6) searchable reference lists; and (7) an updated web interface. This paper describes general modifications to the database and specific aspects of the archeomagnetic and volcanic database. The reader is referred to a companion publication for a description of the sediment database.Conclusions: The archeomagnetic and volcanic part of GEOMAGIA50.v3 currently contains 14,645 data (declination, inclination, and paleointensity) from 461 studies published between 1959 and 2014. We review the paleomagnetic methods used to obtain these data and discuss applications of the data within the database. The database continues to expand as legacy data are added and new studies published. The web-based interface can be found at http://geomagia.gfz-potsdam.de webcite.
Faculty
Faculté des sciences et de médecine
Department
Département de Géosciences
Language
  • English
Classification
Geology
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/304442
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