Two-dimensional temperature modelling along five East-European geotraverses

Vladimír Čermák, Luisa Bodri

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70 Citations (Scopus)


A two-dimensional numerical solution of the heat conductivity equation is applied to five long-run profiles crossing all the major tectonic provinces of Central and Eastern Europe. The relations between surface heat flow, Moho heat flow, thermal conductivity and heat production are described by a linear algebraic system. The results of explosion seismology are used to define individual crustal blocks of specific seismic velocities. An experimental relationship between seismic velocity and radiogenic heat production is applied and the heat production exponentially decreases with depth in each block. Thermal conductivity is temperature dependent. Low crustal temperatures are typical of the Precambrian East European Platform (Moho temperature 350-500°C) with a clear minimum beneath the Ukrainian shield. Moho temperatures increase slightly beneath Variscan units (500-600°C) and attain 600-800°C in the Alpine realm. The highest temperatures may exist beneath hyperthermal basins, such as the Pannonian Basin (over 800°C). The results clearly confirm the possible existence of the astenosphere at depths as shallow as 60 km in the areas of very high heat flow. The regional variations of the Moho heat flow may range from 15-20 to 40-50 mW.m-2.

Original languageEnglish
Pages (from-to)133-163
Number of pages31
JournalJournal of Geodynamics
Issue number2
Publication statusPublished - Jul 1986

ASJC Scopus subject areas

  • Geophysics
  • Earth-Surface Processes

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