Retrieving electric resistivity data from self-potential measurements by cross-correlation

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Retrieving electric resistivity data from self‐potential measurements by cross‐correlation

[1] We show that the two‐point cross‐correlation of self‐ potential field recordings is equal to the electric resistivity between the two points. This holds under the condition that spatially and temporally uncorrelated noise sources exist throughout the volume. These sources should have a known amplitude spectrum and their correlated strengths should be proportional to the dissipative medium p...

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ژورنال

عنوان ژورنال: Geophysical Research Letters

سال: 2010

ISSN: 0094-8276

DOI: 10.1029/2009gl042247