Articles | Volume 11, issue 4
https://doi.org/10.5194/os-11-559-2015
https://doi.org/10.5194/os-11-559-2015
Research article
 | 
09 Jul 2015
Research article |  | 09 Jul 2015

Reconstructing bottom water temperatures from measurements of temperature and thermal diffusivity in marine sediments

F. Miesner, A. Lechleiter, and C. Müller

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Cited articles

Beardsmore, G. R. and Cull, J. P.: Crustal Heat Flow: a Guide to Measurement and Modelling, Cambridge University Press, New York, 336 pp., 2001.
Brakelmann, H. and Stammen, J.: Thermal Analysis of Submarine Cable Routes: LSM or FEM?, IEEE-conference PECon, Putra Jaya, Malaysia, 560–565, 2006.
Bullard, E. C.: Heat Flow in South Africa, Proc. R. Soc. Lond. A, 173, 474–502, 1939.
Bundesamt für Seeschifffahrt und Hydrographie: MARNET-Messnetz, available at: http://www.bsh.de/de/Meeresdaten/Beobachtungen/MARNET-Messnetz/index.jsp (last access: 6 June 2014), 2014.
Chouinard, C., Fortier, R., and Mareschal, J.-C.: Recent climate variations in the Subarctic inferred from three borehole temperature profiles in Northern Quebec, Canada, Earth Planet. Sc. Lett., 263, 355–369, 2007.
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Short summary
Temperature fields in marine sediments are controlled by the geothermal steady state heat flow and the bottom water temperature. Thus, the current sediments' temperature field stores the history of bottom water temperature variation. The aim of this work is the inverse modeling of the bottom water temperature variation in the last year from instantaneous measurements of the depth-dependent temperature and the thermal diffusivity.