Articles | Volume 6, issue 1
Research article
15 Feb 2018
Research article |  | 15 Feb 2018

Numerical modelling of landscape and sediment flux response to precipitation rate change

John J. Armitage, Alexander C. Whittaker, Mustapha Zakari, and Benjamin Campforts

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Cited articles

Allen, P. A.: Sediment Routing Systems: The Fate of Sediment from Source to Sink, Cambridge University Press, 2017. a, b
Allen, P. A., Armitage, J. J., Carter, A., Duller, R. A., Michael, N. A., Sinclair, H. D., Whitchurch, A. L., and Whittaker, A. C.: The Qs problem: Sediment volumetric balance of proximal foreland basin systems, Sedimentology, 60, 102–130,, 2013. a, b, c, d
Armitage, J. J., Duller, R. A., Whittaker, A. C., and Allen, P. A.: Transformation of tectonic and climatic signals from source to sedimentary archive, Nat. Geosci., 4, 231–235,, 2011. a, b, c, d, e, f, g
Armitage, J. J., Dunkley Jones, T., Duller, R. A., Whittaker, A. C., and Allen, P. A.: Temporal buffering of climate-driven sediment flux cycles by transient catchment response, Earth Planet. Sci. Lett., 369–370, 200–210,, 2013. a, b, c, d, e, f, g, h, i, j, k
Armitage, J. J., Allen, P. A., Burgess, P. M., Hampson, G. J., Whittaker, A. C., Duller, R. A., and Michael, N. A.: Physical stratigraphic model for the Eocene Escanilla sediment routing system: Implications for the uniqueness of sequence stratigraphic architectures, J. Sediment. Res., 85, 1510–1524,, 2015. a, b
Short summary
We explore how two landscape evolution models respond to a change in climate. The two models are developed from a divergent assumption on the efficiency of sediment transport. Despite the different resulting mathematics, both numerical models display a similar functional response to a change in precipitation. However, if we model sediment transport rather than assume it is instantaneously removed, the model responds more rapidly, with a response time similar to that observed in nature.