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ISSN: 1001-6279
CN: 11-2699/P
e-ISSN: 2589-7284

Analytical and experimental study on sediment wash-off from urban road surface under rainfall runoff

Accurately modeling sediment wash-off from urban roads is critical for stormwater pollution control but remains challenging due to the limited physical basis of existing transport models. This study...

Influence of flow unsteadiness on local scour at bridge piers: An energy-based perspective

Local scour at piers is a major cause of bridge failures worldwide. While most existing studies assume steady flow conditions, actual flood events are inherently unsteady, with distinct rising and falling...

Effects of roots and canopy of Medicago sativa L. on soil and water conservation for steep spoil heaps

Spoil heaps are vulnerable to intense rainfall, and the understanding of the impact of vegetation on runoff and sediment production is limited. Models of spoil heaps with dimensions of 3.46 m × 2.00...

Uncovering the mechanisms of cross-shore sediment transport through interpretable machine learning with limited laboratory data

Cross-shore sediment transport, a key driver of coastal morphodynamic evolution, remains challenging to model due to the simultaneous contributions of multiple factors, which collectively result in...

Estimating monthly suspended sediment load of the Brahmaputra River by integrating machine learning models with unsupervised outlier detection

Suspended sediment load (SSL) modeling is crucial in hydrology and river engineering for infrastructure design, river basin management, flood mitigation, and channel change studies. Monitoring SSL often...

Economic superiority of biological over structural soil and water conservation measures: A cost-benefit analysis in the Taham watershed, Iran

Watershed management and engineering, emphasizing soil erosion and sediment yield management, typically employs two primary structural and biological approaches. Despite indications that the biological...

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How do braided rivers evolve: Insights from 2D shallow water hydro-sediment-morphodynamic modeling

Braided rivers commonly exhibit frequent channel shifting and bar migration, which remains a major challenge to predict. Numerical modeling has evolved into a proactive approach for resolving fluvial...

Deposition, provenance, and organic matter enrichment of paralic shales and coals of the Upper Yangtze Platform, China: A combined geochemical and petrographic study on the Permian Longtan Formation

The Upper Permian Longtan Formation in the Upper Yangtze Platform represents a complex paralic succession of siliciclastic rocks and interbedded coals. To evaluate its hydrocarbon resource potential...

Experimental study on the motion characteristics of turbidity currents in a non-uniform sloped flume

Turbidity currents frequently occur in rivers, reservoirs, and estuaries, where they exhibit distinctive hydrodynamic and sediment transport characteristics. In the current study, the motion characteristics...

On the flow field characteristics around jacket foundations of offshore wind turbines under wave action

Jacket foundations have recently emerged as a predominant support structure for offshore wind turbines in intermediate water depths. Their stability impacts structural safety and power transmission...

Flocculation characteristics and mechanisms of suspended sediment under ultrasonic–electric coupling intervention

Exploring the flocculation characteristics and mechanisms of suspended sediment under artificial intervention is important for understanding the flocculation process, so as to achieve rapid, ultra-clean...

New insight on grain-size distribution changes during the net offshore migration process of an oblique sand bar

Offshore oblique bars typically follow a net offshore migration (NOM) pattern. However, this kinematic view overlooks how migration relates to sand-grain dynamics, as revealed by grain-size distribution...

Effects of grain arrangement and grain size on gravel-bed microtopographies

Gravel-bed microtopographies are closely connected with many aspects of river dynamics, including incipient sediment motion, sediment transport, flow structure, and flow resistance. Grain arrangement...

Quantifying rill erosion processes in evolving soil landscapes: An experimental approach

Rill erosion is a hydrological-geomorphic process occurring on hillslopes across small spatial extents. Despite advances in soil erosion research, the dynamic feedbacks among the rill erosion process,...

The transport mechanisms of sediment and phosphorus in agricultural drainage ditches in the presence of vegetation

Understanding the mechanisms by which vegetation influences phosphorus transport in agricultural drainage ditches is crucial for accurately assessing non-point source pollution loads and ecosystem restoration...

Hydrosedimentary dynamics and sediment source activation during a prolonged extreme rainfall event in a Mediterranean catchment

This study analyses the response of a Mediterranean agroforestry catchment to Storm Juliette, an episode of prolonged rainfall (208 mm in 5 days). Hydrological monitoring combined with sediment fingerprinting...

Magnetic properties of surface sediments in a closed alkaline volcanic lake: A case study from Lake Batur, Bali, Indonesia

Lake Batur is a closed volcanic lake with alkaline water, located on the island of Bali, Indonesia. This study of Lake Batur presents a comprehensive rock magnetism analysis of the sediments and a geochemical...

Granular segregation of layered sand beds around vertical piles under cyclic lateral vibrations

Recent studies on noncohesive sediment bed deformation and granular segregation induced by localized vibration from embedded vibratory piles indicate that vibrating vertical piles in uniform noncohesive...

Sensitivity and complexity of the Yangtze River’s sediment dynamics

The Yangtze River, the world’s longest river flowing entirely within one country, has experienced a 60 %–99 % decline in sediment load since the late 1970s. Climate change and human activities are widely...

Suspended sediment concentration prediction using a hybrid VMD-LSTM-SA-ensemble model

Accurate prediction of suspended sediment concentration (SSC) is critically important for water quality assessments in marine and terrestrial aquatic environments. However, there is uncertainty associated...

Quantifying the effects of root, soil properties and hydraulic characteristics on soil detachment of naturally restored grassland on the Loess Plateau

Plant roots, soil properties, and hydraulic characteristics can significantly influence soil detachment by overland flow. However, research quantifying the effects of those various factors on soil detachment...

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Changes in beach sediment mineralogy and grain size associated with pelagic Sargassum landings

Massive influxes of pelagic Sargassum spp. have caused significant environmental, social, and economic impacts across the tropical Atlantic. The accumulation of these macroalgae on beaches represents...

Sedimentological and diagenetic controls on burrow fillings in the upper Jurassic Hanifa formation, central Saudi Arabia: Implications for porosity and pore system variations in bioturbated reservoirs

Evaluating the petrophysical properties of carbonate strata with bioturbation necessitates an insight into the heterogeneity in rock texture within burrow fillings. This study examines five separated...

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