Heat flow from the earth's interior - Analysis of the global data set

Details Heat flow from the earth's interior - Analysis of the global data set Heat flow from the earth's interior - Analysis of the global data set

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993rvgeo..31..267p&link_type=abstract

Reviews of Geophysics (ISSN 8755-1209), vol. 31, no. 3, p. 267-280.

Physics

Geophysics

334

Earth Core, Earth Gravitation, Earth Surface, Geomagnetism, Heat Transmission, Seismic Waves, Earth Crust, Earth Mantle

Scientific paper

The history of acquisition of terrestrial heat flow data is reviewed, and the extensive present-day data compilation is described. An empirical method is then presented for estimating heat flow in surveyed areas, leading to a global analysis of the heat flow from continents, oceans, and the earth as a whole. The heat flow field is displayed as a map constructed from the low-degree spherical harmonic components of the global field, and the harmonic spectrum of the heat flow is compared with the earth's gravity and magnetic fields and topography. Finally, the implications of the surface heat flow for the temperature structure at shallow depths within the earth and its relationship to seismic shear wave velocity distribution and the thickness of the lithosphere are discussed.

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