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ADMAP2 Magnetic anomaly map of the Antarctic - links to files
GB/NERC/BAS/PDC/01095

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Summary

Abstract:
ADMAP2 is the second generation Antarctic magnetic compilation for the region south of 60 deg S. This dataset includes 3.5 million line-km of aeromagnetic and marine magnetic data from multiple nations, which is more than double that in the original ADMAP compilation. For the new compilation, the magnetic data sets were corrected for the International Geomagnetic Reference Field, diurnal effects, and high-frequency errors and levelled, gridded, and stitched together. The new dataset provides an unprecedented view of the sub-surface geological structure of Antarctica. It represents a major milestone of the international Scientific Committee on Antarctic Research (SCAR) Antarctic Digital Magnetic Anomaly (ADMAP) Project.

Funding was provided by the Korea Polar Research Institute (KOPRI). Grant Numbers: PM15040, PE17050.

Keywords:
Aeromagnetic, Antarctica, Geology, Geophysics, Marine magnetic, Tectonics

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Constraints

Access Constraints:  This data is available from Pangaea.
Use Constraints: This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Basic Information

Creation Date: 2018-09-03
Dataset Progress: Complete
Dataset Language: English
ISO Topic Categories:  
  • Geoscientific Information
Parameters:
  • Solid Earth > Geomagnetism > Magnetic Anomalies
Personnel:
Name UK PDC
Role(s) Metadata Author
Organisation British Antarctic Survey
   
Name A.V. Golynsky
Role(s) Investigator
Organisation All-Russian Scientific Research Institute for Geology and Mineral Resources
   
Name F Ferraccioli
Role(s) Investigator
Organisation British Antarctic Survey
   
Name J.K. Hong
Role(s) Investigator
Organisation Korea Polar Research Institute, Yeonsoo-gu, South Korea
   
Name D.A. Golynsky
Role(s) Investigator
Organisation All-Russian Scientific Research Institute for Geology and Mineral Resources
   
Name R.R.B. von Frese
Role(s) Investigator
Organisation School of Earth Sciences, Ohio State University,
   
Name D.A. Young
Role(s) Investigator
Organisation Institute for Geophysics, Jackson School of Geosciences, University of Texas
   
Name D.D. Blankenship
Role(s) Investigator
Organisation Institute for Geophysics, Jackson School of Geosciences, University of Texas
   
Name J.W. Holt
Role(s) Investigator
Organisation Institute for Geophysics, Jackson School of Geosciences, University of Texas
   
Name S.V. Ivanov
Role(s) Investigator
Organisation Polar Marine Geosurvey Expedition, Lomonosov, Russia
   
Name A.V. Kiselev
Role(s) Investigator
Organisation Polar Marine Geosurvey Expedition, Lomonosov, Russia
   
Name V.N. Masolov
Role(s) Investigator
Organisation Polar Marine Geosurvey Expedition, Lomonosov, Russia
   
Name G. Eagles
Role(s) Investigator
Organisation Alfred-Wegener-Institut Helmholtz-Zentrum fur Polar und Meeresforschung
   
Name K. Gohl
Role(s) Investigator
Organisation Alfred-Wegener-Institut Helmholtz-Zentrum fur Polar und Meeresforschung
   
Name W. Jokat
Role(s) Investigator
Organisation Alfred-Wegener-Institut Helmholtz-Zentrum fur Polar und Meeresforschung
   
Name D. Damaske
Role(s) Investigator
Organisation Bundesanstalt fur Geowissenschaften und Rohstoffe, Hannover, Germany
   
Name C. Finn
Role(s) Investigator
Organisation United States Geological Survey, Denver Federal Center, Denver, CO, USA
   
Name A. Aitken
Role(s) Investigator
Organisation Centre for Exploration Targeting, University of Western Australia, Perth
   
Name R.E. Bell
Role(s) Investigator
Organisation Lamont Doherty Earth Observatory, Columbia University, Palisades, NY, USA
   
Name E. Armadillo
Role(s) Investigator
Organisation DISTAV, University di Genova, Genoa, Italy
   
Name T A Jordan
Role(s) Investigator
Organisation British Antarctic Survey
   
Name J.S. Greenbaum
Role(s) Investigator
Organisation Institute for Geophysics, Jackson School of Geosciences, University of Texas
   
Name E. Bozzo
Role(s) Investigator
Organisation DISTAV, Universita di Genova, Genoa, Italy
   
Name G. Caneva
Role(s) Investigator
Organisation DISTAV, Universita di Genova, Genoa, Italy
   
Name R. Forsberg
Role(s) Investigator
Organisation National Space Institute, Technical University of Denmark, Copenhagen, Denmark
   
Name M. Ghidella
Role(s) Investigator
Organisation Instituto Antartico Argentino,Buenos Aires, Argentina
   
Name J. Galindo-Zaldivar
Role(s) Investigator
Organisation Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, Spain
   
Name F. Bohoyo
Role(s) Investigator
Organisation Instituto Geologico y Minero de Espana, Madrid, Spain
   
Name Y.M. Martos
Role(s) Investigator
Organisation Goddard Space Flight Center, NASA, College Park, MD, USA
   
Name Y. Nogi
Role(s) Investigator
Organisation National Institute of Polar Research, Tokyo, Japan
   
Name E. Quartini
Role(s) Investigator
Organisation Institute for Geophysics, Jackson School of Geosciences, University of Texas
   
Name H.R. Kim
Role(s) Investigator
Organisation Department of Geo-Environmental Sciences, Kongju National University
   
Name J.L. Roberts
Role(s) Investigator
Organisation Department of the Environment, Australian Antarctic Division, Kingston, Tasmania
   
Parent Dataset: N/A

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Additional Information

Reference: Golynsky, A. V., Ferraccioli, F., Hong, J. K., Golynsky, D. A., von Frese, R. R. B., Young, D. A., et al. (2018). New magnetic anomaly map of the Antarctic. Geophysical Research Letters, 45, 6437-6449. https://doi.org/10.1029/2018GL078153
Quality: See referenced paper for information about the data processing and quality control.
Lineage: The magnetic data in this compilation were collected over a number of decades by various national and international programs and projects. The compiled marine and airborne magnetic data sets were corrected for the International Geomagnetic Reference Field, diurnal effects, and high-frequency errors and levelled, gridded, and stitched together. See referenced paper for full details of the processing and compilation.

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Locality

Temporal Coverage:
Start Date 1957-01-01
End Date 2014-01-01
   
Spatial Coverage:
Latitude  
Southernmost -90
Northernmost -60
Longitude  
Westernmost -180
Easternmost 180
Altitude  
Min Altitude N/A
Max Altitude N/A
Depth  
Min Depth N/A
Max Depth N/A
   
Location:
Location Antarctica
Detailed Location   N/A

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Instrumentation

Data Collection: Magnetic instrumentation is variable across surveys, see referenced paper for further information and details of the component surveys. The final data processing and compilation was carried out using the Geosoft (registered trademark) geophysical data processing package.

Resolution:
The final ADMAP2 grid has a raster resolution of 1.5 km cell size. Other grids have higher resolution if the underlying data warrants. Line data is distributed at the resolution it was provided.

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Storage

Data Storage: Both line data and gridded data products are available. The line data is provided as 33 regional Geosoft databases, each reflecting a local compilation of surveys. The gridded data includes grids of the local compilations, together with broader regional products and the final ADMAP2 raster.

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