Determining ephemeral gully erosion process with the volume replacement method

Dong, Yuequn; Li, Fang; Zhang, Qingwen; Lei, Tingwu

doi:10.1016/j.catena.2015.03.021

Cited by 10 publications

(4 citation statements)

References 14 publications

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“…Previous research on ephemeral gully erosion mainly focused on techniques for monitoring and modeling gully erosion Casalí et al, 2006;Dong et al, 2015), gully retreat rates (Vandekerckhove et al, 2003;Hu et al, 2007), topographic thresholds for gully erosion (Vandaele et al, 1996;Nachtergaele et al, 2001;Poesen et al, 2003;Maugnard et al, 2014), and contribution of gullies to soil loss and sediment yield (Auzet et al, 1993;Vandaele and Poesen, 1995;Li et al, 2003;Taguas et al, 2012). For example, Govers and Poesen (1988) discriminated the contributions of inter rill and rill erosion to total soil loss.…”

Section: Introductionmentioning

confidence: 99%

Degradation of soil physicochemical quality by ephemeral gully erosion on sloping cropland of the hilly Loess Plateau, China

Li²,

Wilson

2016

Soil and Tillage Research

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Section: Introductionmentioning

confidence: 99%

Degradation of soil physicochemical quality by ephemeral gully erosion on sloping cropland of the hilly Loess Plateau, China

Li²,

Wilson

2016

Soil and Tillage Research

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“…Ephemeral gullies (EGs) are concentrated channels that form mainly in agricultural thalwegs when vegetation cover is minimal (Casalí et al, 1999;Bennett et al, 2000) and the accumulation, intensity or duration of rainfall is sufficient to generate a rate of runoff which exceeds the soil resistance to detachment (Foster, 1986;Dong et al, 2015). In fact, rainfall velocity and its erosive energy are mostly controlled by landscape shape (Daggupati et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Assessment of soil factors controlling ephemeral gully erosion on agricultural fields

Barrio

Campo‐Bescós

Giménez

et al. 2018

Earth Surf Processes Landf

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The soil factor is crucial in controlling and properly modeling the initiation and development of ephemeral gullies (EGs). Usually, EG initiation has been related to various soil properties (i.e. sealing, critical shear stress, moisture, texture, etc.); meanwhile, the total growth of each EG (erosion rate) has been linked with proper soil erodibility. But, despite the studies to determine the influence of soil erodibility on (ephemeral) gully erosion, a universal approach is still lacking. This is due to the complex relationship and interactions between soil properties and the erosive process. A feasible soil characterization of EG erosion prediction on a large scale should be based on simple, quick and inexpensive tests to perform. The objective of this study was to identify and assess the soil properties – easily and quickly to determine – which best reflect soil erodibility on EG erosion. Forty‐nine different physical–chemical soil properties that may participate in establishing soil erodibility were determined on agricultural soils affected by the formation of EGs in Spain and Italy. Experiments were conducted in the laboratory and in the field (in the vicinity of the erosion paths). Because of its importance in controlling EG erosion, five variables related to antecedent moisture prior to the event that generated the gullies and two properties related to landscape topography were obtained for each situation. The most relevant variables were detected using multivariate analysis. The results defined 13 key variables: water content before the initiation of EGs, organic matter content, cation exchange capacity, relative sealing index, two granulometric and organic matter indices, seal permeability, aggregates stability (three index), crust penetration resistance, shear strength and an erodibility index obtained from the Jet Test erosion apparatus. The latter is proposed as a useful technique to evaluate and predict soil loss caused by EG erosion. Copyright © 2018 John Wiley & Sons, Ltd.

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“…Traditional ephemeral gully morphology monitoring methods included volume replacement method, ruler method and needle plate method (Capra et al, 2009). The accuracy of volume replacement method was high but the time and labour costs were also high (Dong et al, 2015). Ephemeral gully monitoring method with a ruler could acquire the length, width and depth, but the whole picture of ephemeral gully catchment could not be drawn, ephemeral gully cross section was able not able to be determined.…”

Section: Traditional Methodsmentioning

confidence: 99%

Lidar and Photogrammetry Approaches for Monitoring Land Surface Morphology in Ephemeral Gully System

Tang

2019

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. LIDAR and photogrammetry techniques were used to quantify the land surface morphology dynamics of ephemeral gully system based on the field investigation. LIDAR monitoring results showed that ephemeral gully occurred in the same location on the slope surface after every rainy season in the ephemeral gully system, then lateral topsoil was tilled and brought into the ephemeral gully channel, inducing 2 cm decrease around channel before rainy season of next year, which make it a cycle of erosion-tillage-erosion. During this process, imbricated landform was formed in ephemeral gully system. The photogrammetry monitoring results showed that most drop-sills distances in ephemeral gully channel were in 10 to 25 cm, while slope gradients were among 15° to 40°. The drop-sills distance and slope gradient showed negative exponent relationship. The results of this study showed that LIDAR technology can quickly acquire the topographic characteristics of the whole ephemeral gully system, while photogrammetry method could quickly acquire detailed morphology in ephemeral gully channel.

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Determining ephemeral gully erosion process with the volume replacement method

Cited by 10 publications

References 14 publications

Degradation of soil physicochemical quality by ephemeral gully erosion on sloping cropland of the hilly Loess Plateau, China

Degradation of soil physicochemical quality by ephemeral gully erosion on sloping cropland of the hilly Loess Plateau, China

Assessment of soil factors controlling ephemeral gully erosion on agricultural fields

Lidar and Photogrammetry Approaches for Monitoring Land Surface Morphology in Ephemeral Gully System

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