Charles Wang Wai Ng
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View article: A 190-m-long flume for investigation of debris flow impacts on multiple flexible barriers
A 190-m-long flume for investigation of debris flow impacts on multiple flexible barriers Open
View article: Soil conditioning for enhancing plant growth using biochar and hydrochar under microgravity
Soil conditioning for enhancing plant growth using biochar and hydrochar under microgravity Open
View article: Eco-geotechnics under climate change: A state-of-the-art review
Eco-geotechnics under climate change: A state-of-the-art review Open
View article: Plant growth-promoting rhizobacteria enhance active ingredient accumulation in medicinal plants at elevated CO2 and are associated with indigenous microbiome
Plant growth-promoting rhizobacteria enhance active ingredient accumulation in medicinal plants at elevated CO2 and are associated with indigenous microbiome Open
Introduction Plant growth-promoting rhizobacteria (PGPR) and elevated CO 2 (eCO 2 ) have demonstrated their individual potential to enhance plant yield and quality through close interaction with rhizosphere microorganisms and plant growth.…
View article: Escalating tropical cyclone precipitation extremes and landslide hazards in South China under global warming
Escalating tropical cyclone precipitation extremes and landslide hazards in South China under global warming Open
Tropical cyclones (TCs) are expected to produce more intense precipitation under global warming. However, substantial uncertainties exist in the projection of coarse-resolution global climate models. Here, we use deep learning to aid targe…
View article: Tree morphology dependent transpiration reduction function of <i>Schefflera arboricola</i> for landfill cover restoration
Tree morphology dependent transpiration reduction function of <i>Schefflera arboricola</i> for landfill cover restoration Open
Changes in hydrological processes and water resources required to sustain vegetation for ecological restoration of landfill covers and post mining sites in arid environments pose challenges in the context of extended droughts. Knowledge of…
View article: Modelling the water diversion of a sustainable cover system under humid climates
Modelling the water diversion of a sustainable cover system under humid climates Open
Extreme rainfall significantly threatens the safety of the landfill cover system, especially under humid climates. This study aims to provide design recommendations for a sustainable landfill cover system consisting of a low-permeability s…
View article: Three-dimensional numerical analysis of plant-soil hydraulic interactions on pore water pressure of vegetated slope under different rainfall patterns
Three-dimensional numerical analysis of plant-soil hydraulic interactions on pore water pressure of vegetated slope under different rainfall patterns Open
Understanding the pore water pressure distribution in unsaturated soil is crucial in predicting shallow landslides triggered by rainfall, mainly when dealing with different temporal patterns of rainfall intensity. However, the hydrological…
View article: A Novel Surrogate Model for Hydro-Mechanical Coupling in Unsaturated Soil with Incomplete Physical Constraints
A Novel Surrogate Model for Hydro-Mechanical Coupling in Unsaturated Soil with Incomplete Physical Constraints Open
View article: Flume Modeling of Debris Flows
Flume Modeling of Debris Flows Open
View article: Learning from Emergence: A Study on Proactively Inhibiting the Monosemantic Neurons of Artificial Neural Networks
Learning from Emergence: A Study on Proactively Inhibiting the Monosemantic Neurons of Artificial Neural Networks Open
Recently, emergence has received widespread attention from the research community along with the success of large-scale models. Different from the literature, we hypothesize a key factor that promotes the performance during the increase of…
View article: A state-dependent constitutive model for gas hydrate-bearing sediment incorporating phase change
A state-dependent constitutive model for gas hydrate-bearing sediment incorporating phase change Open
Extracting energy from hydrate-bearing sediment involves phase change, during which the strength of sediment is reduced and the risk of geohazards may subsequently increase. However, existing mechanical constitutive models cannot capture t…
View article: Class A Prediction Symposium on Debris Flow Impact Forces on Single and Dual Barriers
Class A Prediction Symposium on Debris Flow Impact Forces on Single and Dual Barriers Open
Over recent years, significant advances have been made in the modelling of the impact dynamics between debris flows and single and dual rigid and flexible barriers. Numerical tools and analytical formulations have been proposed to predict …
View article: Centrifuge and Numerical Modeling of Liquefied Flow and Nonliquefied Slide Failures of Tailings Dams
Centrifuge and Numerical Modeling of Liquefied Flow and Nonliquefied Slide Failures of Tailings Dams Open
DATA AVAILABILITY STATEMENT : Some or all data, models, or code generated or used during the
\nstudy are available from the corresponding author by request.
View article: SSIN: Self-Supervised Learning for Rainfall Spatial Interpolation
SSIN: Self-Supervised Learning for Rainfall Spatial Interpolation Open
The acquisition of accurate rainfall distribution in space is an important task in hydrological analysis and natural disaster pre-warning. However, it is impossible to install rain gauges on every corner. Spatial interpolation is a common …
View article: Influence of biochar on improving hydrological and nutrient status of two decomposed soils for yield of medicinal plant - <i>Pinellia ternata</i>
Influence of biochar on improving hydrological and nutrient status of two decomposed soils for yield of medicinal plant - <i>Pinellia ternata</i> Open
The root tuber of Pinellia ternata has been used as a traditional therapeutic herbal medicine. It is reported to impart beneficial attributes in recovering COVID-19 patients. To meet an increasing demand of P. ternata , this study is inten…
View article: Effects of flow-bed interactions on barrier impact
Effects of flow-bed interactions on barrier impact Open
Debris flow mobility is governed by complex interactions at the flow-bed interface. These interactions may cause flow bulking and increase in momentum. Both factors need to be considered for the design of barriers installed along the flow …
View article: Effects of thermal cycles on soil behaviour: theoretical and experimental studies
Effects of thermal cycles on soil behaviour: theoretical and experimental studies Open
Fundamental understanding and proper modelling of soil behaviour under thermal cycles are increasingly important and essential for the analysis and design of many emerging infrastructures, such as geothermal structures and embankment-atmos…
View article: Gas production behaviour of gas hydrate–bearing clayey-sand during depressurization: novel in-flight centrifuge modelling
Gas production behaviour of gas hydrate–bearing clayey-sand during depressurization: novel in-flight centrifuge modelling Open
Gas hydrate-bearing sediments (GHBS) are vastly distributed around the globe. While gas production attempts are made through GHBS, long-term production remains a challenge due to complex inter-related mechanisms involved. Better understati…
View article: Measurements of debris flow entrainment and dynamics
Measurements of debris flow entrainment and dynamics Open
The mechanisms of debris flows and their interaction with mitigation structures are still not well understood. Among the research challenges, only few entrainment measurements are available in literature, as entrainment is often masked by …
View article: Three-Dimensional Numerical Analysis of Twin Tunnelling in Two-Layered Soil Strata
Three-Dimensional Numerical Analysis of Twin Tunnelling in Two-Layered Soil Strata Open
View article: Investigation of Debris Flow Impact Mechanisms and Designs
Investigation of Debris Flow Impact Mechanisms and Designs Open
Debris flows are catastrophic landslides increasing in severity in recent decades due to the more frequent and intense rainfall events under climate change. Debris flows pose a serious threat to infrastructure, settlements, and the natural…
View article: Multiple debris-resisting barriers with basal clearance: A study on impact force
Multiple debris-resisting barriers with basal clearance: A study on impact force Open
Optimising debris-resisting barriers is of paramount importance on constructing cost-effective and eco-friendly mitigation works. Multiple barriers with basal clearance can potentially serve as an optimal approach because they can facilita…
View article: Impact force of post-fire debris flows over erodible beds
Impact force of post-fire debris flows over erodible beds Open
After wildfire events, water repellent soil is often found in the subsurface layer of channel bed in the burnt area. Debris flows generated from burnt basins and ensuing entrainment of the channel bed pose imminent threat to infrastructure…
View article: Effects of Bacillus subtilis and Pseudomonas fluorescens as the soil amendment
Effects of Bacillus subtilis and Pseudomonas fluorescens as the soil amendment Open
View article: Analysis of a landfill cover without geomembrane using varied particle sizes of recycled concrete
Analysis of a landfill cover without geomembrane using varied particle sizes of recycled concrete Open
Previous studies have demonstrated the effectiveness of a novel three-layer landfill cover system constructed with recycled concrete aggregates (RCAs) without geomembrane in both laboratory and field. However, no systematic investigation h…
View article: Modeling the Mechanical Behavior of Methane Hydrate-Bearing Sand Using the Equivalent Granular Void Ratio
Modeling the Mechanical Behavior of Methane Hydrate-Bearing Sand Using the Equivalent Granular Void Ratio Open
For the safe extraction of methane from hydrate reservoirs, modeling the mechanical behavior of the methane hydrate-bearing soil properly is crucial in order to enable designers to analysis hydrate-dissociation-induced geotechnical failure…
View article: Millimeter slope ratcheting from multitemporal SAR interferometry with a correction of coastal tropospheric delay: A case study in Hong Kong
Millimeter slope ratcheting from multitemporal SAR interferometry with a correction of coastal tropospheric delay: A case study in Hong Kong Open
Tropospheric delays (TDs) limit the accurate detection of slow slope motion using interferometric synthetic aperture radar (InSAR), especially in subtropical coastal regions prone to frequent changes in humidity. Although TDs can be estima…
View article: Study of dynamic debris impact load on flexible debris-resisting barriers and the dynamic pressure coefficient
Study of dynamic debris impact load on flexible debris-resisting barriers and the dynamic pressure coefficient Open
The use of steel flexible barriers to mitigate landslide risk on natural hillsides is becoming common in the past decade in Hong Kong. The current design approach for this kind of barrier structure involves the adoption of the hydrodynamic…
View article: Effects of phosphorus-modified biochar as a soil amendment on the growth and quality of Pseudostellaria heterophylla
Effects of phosphorus-modified biochar as a soil amendment on the growth and quality of Pseudostellaria heterophylla Open
Phosphorus (P) deficiency in agricultural soil is a worldwide concern. P modification of biochar, a common soil conditioner produced by pyrolysis of wastes and residues, can increase P availability and improve soil quality. This study aims…