Abstract
At the end of 1986 the following heat flow density (HFD) values were available on the whole territory of Italy: 521 HFD measurements on land, with an accuracy of about 10%; 684 HFD measurements at sea and lake bottom, with an accuracy of about 10%. All the measurements on the sea and lake bottom and on land from the Adriatic Belt to the Bradano Trough were corrected for the sedimentation. For this reason, all the other uncorrected values have to be increased by at least 10%. Two HFD maps have been drawn: one is based only on the measured values, the other on all available values. They differ in some details.
The most striking feature of the two maps is a large area of very high values (> 150 mW m−2) which includes the Ligurian Sea, the Tuscan-Latial Belt and the Tyrrhenian Sea. This area is bounded by belts of low to normal values toward the north and east, and normal to high values, toward the west and south.
Compressive phases and shortening phenomena of the continent-continent collision between the African and European plates, followed by distensive events in several areas, explain qualitatively the HFD in the different regions.
Quantitative interpretations carried out by many authors in several land and sea areas contribute to define geodynamic models in space and in time.
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Mongelli, F., Zito, G., Della Vedova, B., Pellis, G., Squarci, P., Taffi, L. (1991). Geothermal Regime of Italy and Surrounding Seas. In: Čermák, V., Rybach, L. (eds) Terrestrial Heat Flow and the Lithosphere Structure. Exploration of the Deep Continental Crust. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75582-8_18
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