and the partial area-weighted average slope. The AS2 index is similar to the AS1 but uses the swale slope as the weighting factor. From studies made using different ephemeral gully erosion databases, it is shown that a high correlation consistently exists between
This special issue is based on a selection of papers presented during the 2nd International Symposium on Gully erosion under global change, convened in Chengdu, China, 2002. The AA. introduce this volume by reviewing recent studies on impacts
The aim of this study is to assess the effect of manual tillage on soil movement under conditions prevailing in northern Thailand. The AA. focus on the deep tillage operation (rough tillage) which is the first step in land preparation, as it has
halepensis (Allepo pine), which is, from a dendrochronological point of view, the most thoroughly studied species in the Mediterranean region, and for 3 species with a regenerative capacity of their roots, such as Prunus dulcis (Almond tree) and Salix alba L
The aim of this study is to better understand the current activity of the landslides in the Flemish Ardennes. Based on accurate multi-temporal digital terrain models (DTMs), the AA. map first the areas of ground movement, then they analyse
moisture content was studied during rainfall in the laboratory. In order to evaluate the long-term effects of rainfall and sheet erosion on surface roughness of stony interrills, two abandoned hillslopes in southeastern Spain were investigated. Relations
This study aims to investigate the morphology of actively eroding bank gullies, i.e., geometrical characteristics resulting from past erosion and active erosion processes shaping the gully, and to find relationships with environmental site
The aim of this study is to better understand the role that rock fragments incorporated into the soil matrix have on concentrated flow hydraulics and erosion by concentrated flow as simulated in laboratory experiments. Slope steepness and flow
This study investigated soil loss due to crop harvesting (SLCH) for potato and sugar beet plots on farmer's fields spread over 4 regions in northeast China where harvesting is carried out by hand. The aims are to evaluate the impacts of possible
This study aims to fill the gap that exists in the knowledge of the influence individual plants and their morphology have on controlling soil erosion. The objective is to determine the relative efficiency of these representative species
The aim of this study is to investigate the impact of root density and root length density of grass on the erodibility of root-permeated saturated topsoils. Three plots were established on a sandy loam. Their treatments were bare, low density
In order to predict the root effect more accurately, this experimental study aims at gaining more insight into the importance of root architecture, soil and flow characteristics to the erosion-reducing potential of roots during concentrated flow
The medium-term evolution of a gully (Kinderveld gully) initiated in a cultivated area on loess-derived soils southwest of Leuven (Belgium) in May-June 1986, was studied over 15 years. Two intense rainfall events created this (ephemeral) gully
Although, in semi-arid environments, rock fragments at the soil surface and within the topsoil play an important role in desertification control, little is known about their spatial distribution. Therefore, this study analyses spatial patterns
This study presents a sensitivity analysis of the soil erosion model LISEM, whereby not only the sensitivity to parameter values is considered, but attention is focused on the effects of process descriptions and the routing of overland flow
The aims of this study are to illustrate the importance of ancient mass movements in the geomorphology of the Ethiopian Highlands, to assess their age of origin, to unravel the environmental conditions triggering the original movement
The objectives of this study are to analyse the spatial variability in area-specific sediment yield (SSY) for catchments in Spain and to understand the major factors controlling this variability. An attempt to explain the remaining variability
years) gully under cropland, this study attempts to explain the evolution of large gullies under cropland from the short to the long term. The AA. aim to determine the time of incision and infilling of a buried gully (cut and fill cycle).