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Science 10 November 1967:
Vol. 158. no. 3802, pp. 783 - 785
DOI: 10.1126/science.158.3802.783
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Articles

Seismic Delay Times: Correlation with Other Data

M. Nafi Toksöz 1 and J. Arkani-Hamed 1

1 Department of Geology and Geophysics, Massachusetts Institute of Technology, Cambridge 02139

Travel-time residuals of seismic P-waves were expanded in spherical harmonics to determine their global variations. The expansion cofficients were correlated with similar coefficients of geopotential, variations in heat flow, and the surface topography of Earth. Although none of the correlation coefficients is very high, best values are between the seismic delay times and variations in gravitational potential and between heat flow and surface topography.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)