Articles | Volume 15, issue 3
https://doi.org/10.5194/bg-15-821-2018
https://doi.org/10.5194/bg-15-821-2018
Research article
 | 
09 Feb 2018
Research article |  | 09 Feb 2018

Wet–dry cycles impact DOM retention in subsurface soils

Yaniv Olshansky, Robert A. Root, and Jon Chorover

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Short summary
Dissolved organic matter (DOM) fate in soils can be impacted by frequent wet–dry cycles that occur in the subsoil environment. This study provides direct evidence that wet–dry cycles altered both composition and spatial distribution of organic carbon on a complex soil matrix. Therefore transformation of soils with a wet environment to higher fluctuation in soil moisture, as predicted by climate models, may alter the interactions between DOM and soil surfaces.
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