Abstract
Geothermal energy is the natural heat of the earth. Anyone who has witnessed a volcanic eruption or penetrated the interior of a deep mine will attest to the observation that temperature rises with depth in the earth. This heat of the earth everywhere flows to the surface by conduction and by flowing water. Geothermal energy becomes a geothermal resource when it is capable of economic utilization. Geothermal energy is of economic interest only where heat is concentrated above the normal background level of the earth’s natural heat flow.
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© 1982 Plenum Press, New York
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Butler, E.W., Pick, J.B. (1982). Geothermal Energy in Imperial County, California. In: Geothermal Energy Development. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7006-2_2
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DOI: https://doi.org/10.1007/978-1-4684-7006-2_2
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4684-7008-6
Online ISBN: 978-1-4684-7006-2
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