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AN profilbild

Andreas Nilsson

Universitetslektor

AN profilbild

GEOMAGIA50.v3: 1. general structure and modifications to the archeological and volcanic database Recent advances in environmental magnetism and paleomagnetism

Författare

  • Maxwell C. Brown
  • Fabio Donadini
  • Monika Korte
  • Andreas Nilsson
  • Kimmo Korhonen
  • Alexandra Lodge
  • Stacey N. Lengyel
  • Catherine G. Constable

Summary, in 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.

Avdelning/ar

  • Geologiska institutionen

Publiceringsår

2015-12-15

Språk

Engelska

Publikation/Tidskrift/Serie

Earth, Planets and Space

Volym

67

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Terra Scientific Publishing Company

Ämne

  • Geophysics
  • Geology

Nyckelord

  • Archeomagnetism
  • Database
  • GEOMAGIA50
  • Geomagnetism
  • Paleomagnetism

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1343-8832