Update and review of heat flow measurements in México

The main objective of this study is to report an update of the surface heat flow database of México. To our knowledge, this work is the first data compilation that integrates existing published and unpublished measurements to create a new heat flow map using a variety of data sources from 108 sites...

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Bibliographic Details
Published in:Energy (Oxford) 2017-02, Vol.121, p.466-479
Main Authors: Espinoza-Ojeda, O.M., Prol-Ledesma, R.M., Iglesias, E.R., Figueroa-Soto, A.
Format: Article
Language:English
Subjects:
Anomalies
Data bases
Geology
Geothermal energy
Geothermal gradient
Heat
Heat flow
Heat transfer
Heat transmission
Mexican geothermal resources
Requirements
Stabilized formation temperatures
Temperature effects
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Summary:The main objective of this study is to report an update of the surface heat flow database of México. To our knowledge, this work is the first data compilation that integrates existing published and unpublished measurements to create a new heat flow map using a variety of data sources from 108 sites (transient borehole temperatures and temperature-depth profiles). Heat flow measurements in México are still relatively sparse. Updates of heat flow and geological data is required for a better understanding of the thermal regime of México, an accurate characterization of heat flow provinces, and to create a consistent geothermal map. The updated thermal database considers México’s continental and offshore zones. The new heat flow values are mainly located along the Baja California Peninsula and central México. From the new data, we defined the highest and the lowest heat flow values as 1263 mW/m2 and 4 mW/m2, respectively. This updated heat flow database helped us to identify regions with thermal anomalies that show values above average continental heat flow. More importantly, these high heat flow areas do not correspond to the known Mexican geothermal fields. •A new heat flow database of México is reported.•This heat flow database of México includes continental and offshore data.•This database and its constant future updating will help to define tectono-thermal provinces.•The thermal database was interpreted in terms of low, medium or high enthalpy geothermal resources.
ISSN:0360-5442
1873-6785
DOI:10.1016/j.energy.2017.01.045