Heat Flow and Hydrothermal Circulation

Heat Flow and Hydrothermal Circulation HYDROTHERMAL CIRCULATION C. R. B. Lister Departments of Geophysics and Oceanography, University HEAT FLOW AND xl0126 of Washington, WB-lO, Seattle, Washington 98195 The term "terrestrial heat flow" is usually applied to the loss of heat from the interior of the earth through the global surface. There are three principal mechanisms for this transport of heat through the surface: simple conduction under the influence of the "geothermal gradient," or brine, and the direct ejection of high-temperature rock materials such as lava or tephra. Historically, the mechanism of conduction has received the m0st attention because of the early observation that ambient tem­ Kelvin) 1846J. The units of measurement for heat flow are either micro calories per recently by some authors, milliwatts per square meter. The new Systeme should be one function of a measure of heat, and square centimeter per second (HFU, heat flow unit) or, as used m'ore percolative flow of relatively low-temperature fluids, like water, steam, perature increased markedly in deep mines [e.g. thomson (later Lord Internationale unit has lost the association with entrained entropy that I unit as used in most of the work cited. The bulk of the heat· emitted by the earth moves through the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Earth and Planetary Sciences Annual Reviews

Heat Flow and Hydrothermal Circulation

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Publisher
Annual Reviews
Copyright
Copyright 1980 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
0084-6597
eISSN
1545-4495
DOI
10.1146/annurev.ea.08.050180.000523
Publisher site
See Article on Publisher Site

Abstract

HYDROTHERMAL CIRCULATION C. R. B. Lister Departments of Geophysics and Oceanography, University HEAT FLOW AND xl0126 of Washington, WB-lO, Seattle, Washington 98195 The term "terrestrial heat flow" is usually applied to the loss of heat from the interior of the earth through the global surface. There are three principal mechanisms for this transport of heat through the surface: simple conduction under the influence of the "geothermal gradient," or brine, and the direct ejection of high-temperature rock materials such as lava or tephra. Historically, the mechanism of conduction has received the m0st attention because of the early observation that ambient tem­ Kelvin) 1846J. The units of measurement for heat flow are either micro calories per recently by some authors, milliwatts per square meter. The new Systeme should be one function of a measure of heat, and square centimeter per second (HFU, heat flow unit) or, as used m'ore percolative flow of relatively low-temperature fluids, like water, steam, perature increased markedly in deep mines [e.g. thomson (later Lord Internationale unit has lost the association with entrained entropy that I unit as used in most of the work cited. The bulk of the heat· emitted by the earth moves through the

Journal

Annual Review of Earth and Planetary SciencesAnnual Reviews

Published: May 1, 1980

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