Estimating Erodibility Parameters for Streambanks with Cohesive Soils Using the Mini Jet Test Device: A Comparison of Field and Computational Methods

Mahalder, Badal; Schwartz, John S.; Palomino, Angelica M.; Zirkle, Jon

doi:10.3390/w10030304

Cited by 15 publications

(15 citation statements)

References 35 publications

(68 reference statements)

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“…This method is applicable to a wide range of soils. JET can be performed in situ [ 17 , 18 ] or in a laboratory [ 19 ] using tube samples or remolded samples in compaction molds. Testing has been successfully carried out on specimens as small as 75 mm (3 inches) in diameter and uses a submerged hydraulic jet to produce scour erosion.…”

Section: Overview Of Laboratory Test Apparatus For Erosional Stability Testing Of Geomaterialsmentioning

confidence: 99%

Grouting below Subterranean Water: Erosional Stability Test

et al. 2021

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The article is focused on the medium-term negative effect of groundwater on the underground grout elements. This is the physical–mechanical effect of groundwater, which is known as erosion. We conduct a laboratory verification of the erosional resistance of grout mixtures. A new test apparatus was designed and developed, since there is no standardized method for testing at present. An erosion stability test of grout mixtures and the technical solutions of the apparatus for the test´s implementation are described. This apparatus was subsequently used for the experimental evaluation of the erosional stability of silicate grout mixtures. Grout mixtures with activated and non-activated bentonite are tested. The stabilizing effect of cellulose relative to erosion stability has been also investigated. The specimens of grout mixtures are exposed to flowing water stress for a certain period of time. The erosional stabilities of the grout mixtures are assessed on the basis of weight loss (WL) as a percentage of initial specimen weight. The lower the grout mixture weight loss, the higher its erosional stability and vice versa.

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Section: Overview Of Laboratory Test Apparatus For Erosional Stability Testing Of Geomaterialsmentioning

confidence: 99%

Grouting below Subterranean Water: Erosional Stability Test

et al. 2021

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“…The research articles included in this special issue specifically targeted three areas that are key to better understanding streambank erosion and failure, namely, monitoring [8][9][10][11], modeling [12][13][14][15][16][17], and management [18][19][20][21]. As an ensemble, the articles highlight the value of monitoring campaigns to characterize the effect of external drivers (e.g., hydrologic events), the capabilities and limitations of numerical models for predicting the response of the system (e.g., stream restoration design), and the effectiveness of management practices to prevent and mitigate the impacts of streambank erosion and failure.…”

Section: Main Outcomes Of the Special Issuementioning

confidence: 99%

“…Mahalder et al [15] investigated the effect of using single and multiple pressure settings when performing JETs on the erodibility parameters computed from three different computational methods. Their comparison highlights the high degree of variability associated with the applied computational methods.…”

Section: Modelingmentioning

confidence: 99%

“…The research articles included in this special issue addressed some of these challenges, as well as shed light on some topics that deserve further exploration. The latter topics include: (1) examining the effect of stratigraphic position on the quantification of sediment and total phosphorus loading to streams [19]; (2) accounting for the effects of vegetation, meandering, and weakening and weathering processes in the development, calibration, and application of numerical models [12,14,17]; (3) developing a better understanding of the physical mechanisms that govern gully progression and development, especially those in riparian areas [10]; (4) establishing a standardized procedure for running and post-processing the results of erodibility tests [15]; and (5) developing a better understanding of influential factors such as water chemistry on streambank erosion [21].…”

Section: Remaining Challenges and Research Directionsmentioning

confidence: 99%

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Streambank Erosion: Advances in Monitoring, Modeling and Management

Castro‐Bolinaga

Fox

2018

Water

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The special issue “Streambank Erosion: Monitoring, Modeling, and Management” presents recent progress and outlines new research directions through the compilation of 14 research articles that cover topics relevant to the monitoring, modeling, and management of this morphodynamic process. It contributes to our advancement and understanding of how monitoring campaigns can characterize the effect of external drivers, what the capabilities and limitations of numerical models are when predicting the response of the system, and what the effectiveness of different management practices is in order to prevent and mitigate streambank erosion and failure. The present editorial paper summarizes the main outcomes of the special issue, and further expands on some of the remaining challenges within the realm of monitoring, modeling, and managing streambank erosion and failure. First, it highlights the need to better understand the non-linear behavior of erosion rates with increasing applied boundary shear stress when predicting cohesive soil detachment, and accordingly, to adjust the computational procedures that are currently used to obtain erodibility parameters; and second, it emphasizes the need to incorporate process-based modeling of streambank erosion and failure in the design and assessment of stream restoration projects.

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“…K-factor values are best obtained from long-term direct measurements on natural runoff plots, but this method is hard to use at a large scale [13]. Therefore, the estimate of K values by using soil physical or chemical properties attracts more attention [14][15][16][17]. The K parameter is linked to the combined actions of rainfall, runoff and infiltration on soil [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Spatial Variability of Soil Erodibility at El Hammam Catchment, Northeast of Algeria

Khanchoul¹,

Boubehziz²

2019

Environ. ecosyst. sci.

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The concept of erodibility has gained a great importance in the field of soil erosion modelling and applications of soil conservation. Soil erodibility factor has become one of the key factors which determine soil particles resistance to be detached by water erosion. This study was performed to determine soil erodibility factor and assess spatial variability of soil erodibility using geostatistics at El Hammam catchment. In this study 51 samples of surface soil (0-20cm) were collected across the study area of 1000 Ha by preparing point map at GIS. Sampling points were identified in field by a Global Positioning system. Some soil properties and organic matter were measured at laboratory, and permeability and structure were determined using soil texture analysis. Amount of soil erodibility changed from 0.16 to 0.66. The variability analysis has shown that soil properties and erodibility factor have varied significantly in cropland and have ranged from 63% in organic matter and 39% in K factor. The statistical analysis indicated negative correlations of erodibility with clay, organic matter and permeability and negative correlations of this factor with silt, sand and soil structure. Based on kriging interpolation method, soil erodibility factor map was generated using Ordinary Kriging. The spherical model has given the best model to predict spatial variability of soil erodibility which root-mean-square error and mean error values of interpolated map were very low. The range of the spatial dependency was equal to 460 m. The study basin has been classified as highly erodible and ecologically vulnerable.

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Estimating Erodibility Parameters for Streambanks with Cohesive Soils Using the Mini Jet Test Device: A Comparison of Field and Computational Methods

Cited by 15 publications

References 35 publications

Grouting below Subterranean Water: Erosional Stability Test

Grouting below Subterranean Water: Erosional Stability Test

Streambank Erosion: Advances in Monitoring, Modeling and Management

Spatial Variability of Soil Erodibility at El Hammam Catchment, Northeast of Algeria

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