Articles | Volume 20, issue 7
Hydrol. Earth Syst. Sci., 20, 3005–3012, 2016
https://doi.org/10.5194/hess-20-3005-2016

Special issue: Modeling hydrological processes and changes

Hydrol. Earth Syst. Sci., 20, 3005–3012, 2016
https://doi.org/10.5194/hess-20-3005-2016

Research article 28 Jul 2016

Research article | 28 Jul 2016

Assessment of land use impact on hydraulic threshold conditions for gully head cut initiation

Aliakbar Nazari Samani et al.

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Short summary
We hypothesized that land use had important effects on hydraulic threshold conditions for gully head cut initiation. We investigated the effects using an experimental plot. The results indicated that the use of a threshold value of τcr = 35  dyne cm−2 and ωu = 0.4 Cm S−1 in physically based soil erosion models is susceptible to high uncertainty when assessing gully erosion.