Physics – Geophysics
Scientific paper
Feb 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28..595d&link_type=abstract
Geophysical Research Letters, Volume 28, Issue 4, p. 595-598
Physics
Geophysics
2
Global Change: Geomorphology And Weathering, Hydrology: Weathering, Mathematical Geophysics: Nonlinear Dynamics, Planetology: Solid Surface Planets: Erosion And Weathering
Scientific paper
The dynamics of soil development and erosion is studied through a stochastic soil mass balance in which the soil production by bedrock weathering is expressed as a state-dependent deterministic function, while the erosion by landslides is modeled as a marked Poisson process. For a range of values of the parameters the dynamics is bistable and the noise drives the transitions from a state to another through a potential barrier. The rates of such a transition are analytically estimated and their dependence on the system parameters is briefly discussed.
D'Odorico Paolo
Porporato Amilcare
Ridolfi Luca
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