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. 2019 Dec 4;19(12):1490–1504. doi: 10.1089/ast.2018.2004

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© María Ángeles Lezcano et al., 2019; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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FIG. 2. — Ground thermal oscillations at 2.5 cm depth in the geothermal band of Cerro Caliente over the year 2012. Temperature was measured with a thermocouple located inside a hole perforated close to the ground sampling point. Upper plot represents a zoom of the temperature oscillations every 4 h recorded from 14 to 17 June.