Articles | Volume 6, issue 2
https://doi.org/10.5194/esurf-6-319-2018
https://doi.org/10.5194/esurf-6-319-2018
Research article
 | 
03 May 2018
Research article |  | 03 May 2018

Impact of grain size and rock composition on simulated rock weathering

Yoni Israeli and Simon Emmanuel

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Short summary
We used a numerical model to assess the effect of grain size and rock composition on chemical weathering and grain detachment. Our simulations showed that grain detachment represents more than a third of the overall weathering rate. We also found that as grain size increases, the weathering rate initially decreases; however, beyond a critical size, the rate became approximately constant. Our results could help predict the sometimes complex relationship between rock type and weathering rate.