Articles | Volume 24, issue 2
Hydrol. Earth Syst. Sci., 24, 717–734, 2020
https://doi.org/10.5194/hess-24-717-2020
Hydrol. Earth Syst. Sci., 24, 717–734, 2020
https://doi.org/10.5194/hess-24-717-2020

Research article 17 Feb 2020

Research article | 17 Feb 2020

Surface water as a cause of land degradation from dryland salinity

J. Nikolaus Callow et al.

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Latest update: 07 Dec 2021
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Short summary
Secondary dryland salinity is a global land degradation issue. Our understanding of causal processes is adapted from wet and hydrologically connected landscapes and concludes that low end-of-catchment runoff indicates land clearing alters water balance in favour of increased infiltration and rising groundwater that bring salts to the surface causing salinity. This study shows surface flows play an important role in causing valley floor recharge and dryland salinity in low-gradient landscapes.