Quantifying rates of landscape evolution and tectonic processes by thermochronology and numerical modeling of crustal heat transport using PECUBE - Archive ouverte HAL Access content directly
Journal Articles Tectonophysics Year : 2011

Quantifying rates of landscape evolution and tectonic processes by thermochronology and numerical modeling of crustal heat transport using PECUBE

Abstract

Heat transfer in the crust Low-temperature thermochronology PECUBE is a three-dimensional thermal-kinematic code capable of solving the heat production-diffusionadvection equation under a temporally varying surface boundary condition. It was initially developed to assess the effects of time-varying surface topography (relief) on low-temperature thermochronological datasets. Thermochronometric ages are predicted by tracking the time-temperature histories of rockparticles ending up at the surface and by combining these with various age-prediction models. In the decade since its inception, the PECUBE code has been under continuous development as its use became wider and addressed different tectonic-geomorphic problems. This paper describes several major recent improvements in the code, including its integration with an inverse-modeling package based on the Neighborhood Algorithm, the incorporation of fault-controlled kinematics, several different ways to address topographic and drainage change through time, the ability to predict subsurface (tunnel or borehole) data, prediction of detrital thermochronology data and a method to compare these with observations, and the coupling with landscape-evolution (or surface-process) models. Each new development is described together with one or several applications, so that the reader and potential user can clearly assess and make use of the capabilities of PECUBE. We end with describing some developments that are currently underway or should take place in the foreseeable future.

Dates and versions

hal-03135809 , version 1 (09-02-2021)

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Jean Braun, Peter van Der Beek, Pierre Valla, Xavier Robert, Frédéric Herman, et al.. Quantifying rates of landscape evolution and tectonic processes by thermochronology and numerical modeling of crustal heat transport using PECUBE. Tectonophysics, 2011, 524-525, pp.1 - 28. ⟨10.1016/j.tecto.2011.12.035⟩. ⟨hal-03135809⟩
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