Perturbation of isotherms below topography: constraints from tunnel transects through the Alps, Gotthard road tunnel
2006Universitätsverlag Göttingen
Article in Anthology
Verlagsversion
Deutsch
Glotzbach, Christoph; Spiegel, Cornelia; Rahn, Meinert; Reinecker, John, 2006: Perturbation of isotherms below topography: constraints from tunnel transects through the Alps, Gotthard road tunnel. In: Philipp, S.; Leiss, B; Vollbrecht, A.; Tanner, D.; Gudmundsson, A. (eds.): 11. Symposium "Tektonik, Struktur- und Kristallingeologie"; 2006, Univ.-Verl. Göttingen, p. 67 - 70., , DOI: 10.23689/fidgeo-1920.
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For many years it has been known that
near surface isotherms are influenced
by the topography (Lees 1910). Recently,
a number of studies were pursued
to quantify the effect of topography
on low temperature isotherms (e.g.
Stüwe et al. 1994, Mancktelow & Grasemann
1997). The magnitude of perturbation
depends on several parameters:
exhumation rate, geothermal gradient,
wavelength and amplitude of topography,
and finally by the age of surface
relief change (Braun 2002).