Articles | Volume 14, issue 9
Biogeosciences, 14, 2429–2440, 2017
https://doi.org/10.5194/bg-14-2429-2017
Biogeosciences, 14, 2429–2440, 2017
https://doi.org/10.5194/bg-14-2429-2017

Research article 12 May 2017

Research article | 12 May 2017

Modelling the genesis of equatorial podzols: age and implications for carbon fluxes

Cédric Doupoux et al.

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Short summary
Amazonian podzol soils store huge amounts of carbon and play a key role in transferring organic matter to the Amazon River. We modelled their formation by constraining both total carbon and radiocarbon. We found that the most waterlogged zones of the podzolized areas are the main source of dissolved organic matter found in the river network. The genesis time calculated considering the more likely settings runs to around 15–25 and 150–250 kyr for young and old podzols, respectively.
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