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Geophysical Research Letters
Article . 2002 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
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Ørsted verifies regional magnetic anomalies of the Antarctic lithosphere

Authors: Hyung Rae Kim; Ralph R. B. von Frese; Jeong Woo Kim; Patrick T. Taylor; Torsten Neubert;

Ørsted verifies regional magnetic anomalies of the Antarctic lithosphere

Abstract

Initial magnetic measurements from the Ørsted satellite reveal lithospheric anomalies over the Antarctic that are similar to those obtained by Magsat. Accordingly, lithospheric anomalies can be extracted from the Ørsted data, despite the much greater operational altitude of Ørsted (650–865 km) relative to Magsat (350–550 km). Furthermore, these correspondences confirm the lithospheric origins for the resulting small‐amplitude anomalies in the satellite data. In studies of the Antarctic lithosphere, the Magsat data particularly were limited by the large relative uncertainties of their lithospheric components. These uncertainties occurred because the short nearly seven‐month mission more than 20 years ago collected data over austral high summer and early fall when the contaminating large‐amplitude external field effects were at a maximum. Therefore, the recent and more numerous Ørsted measurements greatly facilitate our efforts to separate effectively the core, lithospheric, and external field components for enhanced studies of the Antarctic lithosphere.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Average
Average
gold