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Summary

Page Properties
iddap_dataset


NameLCS-1: Lithospheric magnetic field from CHAMP and Swarm satellites
Description

LCS-1: a high-resolution global model of the lithospheric magnetic field derived from CHAMP

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and Swarm

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 satellite observations

AuthorsNils Olsen, Dhananjay Ravat, Christopher C Finlay, Livia K Kother
ReferenceGeophysical Journal International, Volume 211, Issue 3, 1 December 2017, Pages 1461–1477, https://doi.org/10.1093/gji/ggx381
Summary"We derive a new model, named LCS-1, of Earth’s lithospheric field based on four years (2006 September–2010 September) of magnetic observations taken by the CHAMP satellite at altitudes lower than 350 km, as well as almost three years (2014 April–2016 December) of measurements taken by the two

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lower Swarm

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 satellites Alpha and Charlie. The model is determined entirely from magnetic ‘gradient’ data (approximated by finite differences): the north–south gradient is approximated by first differences of 15 s along-track data (for CHAMP and each of the

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two Swarm

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 satellites), while the east–west gradient is approximated by the difference between observations taken

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by Swarm Alpha 

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and Charlie..."

For more information, see https://academic.oup.com/gji/article-abstract/211/3/1461/4157793

Alternate data sourcehttp://www.spacecenter.dk/files/magnetic-models/LCS-1/


Metadata

General






Dataset nameLithospheric magnetic field from CHAMP and Swarm
PurposeResearch
Primary theme/SubjectGeophysics
Secondary theme/CategoryMagnetics
Tertiary theme/TypeSatellite
File formatGeosoft Grid
Web link

https://geosoftgxdev.atlassian.net/wiki/

spaces/DAP/pages/304349185/Lithospheric+magnetic+field+from+CHAMP+and+SwarmAbstractScalar field anomlay

x/AQAkEg

Abstract

LCS-1: A high-resolution global model of the lithospheric magnetic field derived from CHAMP and Swarm satellite observations.

Scalar field anomaly F (in nT) at Earth's surface (WGS84) on a 0.25 x 0.25 grid in latitude and longitude (equidistant in geographic latitude and longitude) as given by LCS-1 lithospheric field model, for spherical harmonic degrees n = 14 to 185.

The LCS-1 is described in Olsen, N., D. Ravat, C. C. Finlay, and L. K. Kother, LCS-1: A high-resolution global model of the lithospheric magnetic field derived from CHAMP and Swarm satellite observations, Geophys. J. Int., 211, 1461-1477, doi:10.1093/gji/ggx381, 2017

LocationRegionWorld
Data








Project name
F_
LCS-1
_ellipsoid_14-185
lithospheric magnetic field
Data sourcehttp://www.spacecenter.dk/files/magnetic-models/LCS-1/
Project typeCHAMP/Swarm Satellite magnetic field
Scale / Resolution0.25 degrees
Unit of measurementnT
Data created by

Olsen, N., D. Ravat, C. C. Finlay, and L. K. Kother

Data creation date

2017-09-13

Metadata created byN. Green, Geosoft Inc
Metadata creation date2018-
02
06-
26
01
ConfidentialityPublic - Used with permission


Info

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