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Quantifying the effects of rainfall temporal variability on landscape evolution processes

Related publications (34)

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Effect of antecedent conditions and fixed rock fragment coverage on soil erosion dynamics through multiple rainfall events

David Andrew Barry, Alessandro Brovelli, Seifeddine Jomaa

The effect of antecedent conditions and specific rock fragment coverage on precipitation-driven soil erosion dynamics through multiple rainfall events was investigated using a pair of 6-m × 1-m flumes with 2.2% slope. Four sequential experiments – denoted ...

Elsevier Science Bv2013

Estimation of rainfall-driven soil erosion from different rainfall intensities, exposed areas and initial soil conditions

David Andrew Barry, Seifeddine Jomaa

The factors influencing the rain-splash soil erosion include rainfall characteristics, area exposed to raindrops and soil properties. Understanding of these factors and of their interactions is crucial for better predictions of soil erosion yields. To this ...

2013

Rain splash soil erosion estimation in the presence of rock fragments

David Andrew Barry, Alessandro Brovelli, Seifeddine Jomaa

Rain splash soil erosion in the presence of rock fragments and different initial conditions was tested in laboratory flume experiments under controlled conditions. The aim of the experiments was to ascertain whether cumulative soil erosion is proportional ...

2012

Soil erosion dynamics through multiple rainfall events

David Andrew Barry, Alessandro Brovelli, Seifeddine Jomaa

The dynamics of soil erosion during repeated rainfall events was studied, in particular focusing on the effect of initial soil characteristics and surface shielding by rock fragments. A sequence of four 2-h erosive events (named H7- E1, E2, and E3, respect ...

2012

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The influence of the initial soil surface characteristics and rock fragment coverage on precipitation-driven soil erosion was investigated through laboratory experiments on a 6-m × 1-m soil parcel with mild slope. A sequence of four experiments, consisting ...

2012

Effect of Antecedent Conditions on Soil Erosion Dynamics in a Laboratory Flume

David Andrew Barry, Alessandro Brovelli, Seifeddine Jomaa

The effect of antecedent conditions on precipitation-driven soil erosion dynamics through multiple rainfall events was investigated using a pair of 6-m • 1-m flumes with 2.2% slope. Three experiments denoted H6, H7-E2 and H7-E3, involved the same precipita ...

2012

Effect of Rock Fragment Coverage on Soil Erosion

David Andrew Barry, Alessandro Brovelli, Seifeddine Jomaa

Rain splash soil erosion in the presence of rock fragments was tested in laboratory flume experiments under controlled conditions. The surface area exposed to rain splash erosion was adjusted by placing rock fragments onto the surface of differently prepar ...

2012

Process-Based Precipitation-Driven Soil Erosion Modeling

Seifeddine Jomaa

Soil erosion due to rainfall is a complex phenomenon. Factors influencing erosion and subsequent transport include rainfall intensity, soil properties, topography, land cover and antecedent conditions. These factors and their interactions can be approximat ...

EPFL2012

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It is well known that the presence of rock fragments on the soil surface and the soil’s initial characteristics (moisture content, surface roughness, bulk density, etc.) are key factors influencing soil erosion dynamics and sediment delivery. In addition, ...

2012

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Soil erosion is a major environmental problem that can lead to loss of fertility and degradation of agricultural fields. In order to develop efficient strategies to mitigate the impact of precipitation and reduce the erosion rate, a process-based understan ...

2011