* Corresponding author. E-mail address: [email protected] (V. Ferro 1537-5110/$ e see front matter a 2010 IAgrE doi:10.1016/j.biosystemseng.2010.03.013 A comparison between laser diffraction method (LDM) and the sieve-hydrometer method (SHM) was carried out for 228 soil samples representing a different texture classification sampled in a Sicilian basin. The analysis demonstrated that the sand con...

In recent years, rock scouring or erosion downstream of dams has become an increasing dam safety concern. Several theoretical, semi-theoretical, semi-analytical and numerical methods can be used to assess the in hydraulic structures. Semi-theoretical approaches determine correlation between erosive intensity fluid flow resistive capacity rock. Such establish scour thresholds as a function water...

A range of complex hydraulic and geomorphic processes shape terrestrial landscapes. It remains unclear how these act to generate observed drainage networks across scales interest. To address this issue, we transform synthetic longitudinal river profiles into the spectral domain with a view interrogating different at which fluvial landscapes are generated. North American characterized by red noi...

[1] Numerical landscape evolution models driven by uniform vertical uplift often develop a static drainage network and a precise balance between uplift and erosion. Small-scale physical models of uplifting drainage basins, however, continually reorganize by ridge migration and do not reach an ideal steady state. Here I show that the presence or absence of persistent drainage migration in a bedr...

Bedrock river profiles are often interpreted with the aid of slope–area analysis, but noisy topographic data make such interpretations challenging. We present an alternative approach based on an integration of the steady-state form of the stream power equation. The main component of this approach is a transformation of the horizontal coordinate that converts a steady-state river profile into a ...

Data from the Catsop catchment in South Limburg, Netherlands was simulated with the model KINEROS2. The results of calibration and validation on a split set of runoff and sediment data are reported and the variations in apparent parameters are analyzed. Calibration was performed with regard to the temporal distribution of runoff and sediment rather than single values such as total or peak rates...

Soil structure and its change are good indicators for soil quality environmental stability, land-use is known to be an important factor that affects structure. We investigated the seasonal temporal variability in evaluated erodibility under different land-management practices Mollisols region of Northeast China. considered five modes sloping land (5°), i.e., bare (BL), natural vegetation restor...

Dam safety is an important issue as it directly influences environmental and life losses. Embankment material embankment core are factors that contribute to determining the size hydraulic characteristics of breach occurs due dam failure. The current topic present analysis impact materials properties on dimensions overtopping failure using 2D-HEC-RAS software with aid RAS-Mapper. was made by Dig...

Abstract. Many mountain ranges survive in a phase of erosional decay for millions years following the cessation tectonic activity. Landscape dynamics these post-orogenic settings have long puzzled geologists due to expectation that topographic relief should decline with time. Our understanding how denudation rates, crustal dynamics, bedrock erodibility, climate, and mantle-driven processes inte...

Humic acid (HA) is a material that could be used to decrease erosion and improve soil structure. It also known biological crusts (biocrusts) have major role in stabilization, but the mechanism not well understood presence of HA, especially with mechanistic detachment rate parameters (b0 b1) Wilson model, where b0 dimensional parameter b1 threshold parameter. Therefore, this study intends (1) in...