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Groundwater flow velocities in karst aquifers; importance of spatial observation scale and hydraulic testing for contaminant transport prediction
We review scale dependence of hydraulic conductivities and effective porosities for prediction of contaminant transport in four UK karst aquifers....
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Improving the forecast of fine dust emission and transmission from cattle barns: a comprehensive data package and analysis
The livestock sector emits harmful gases and bioaerosols, impacting animals, plants, and human health. Ventilation systems in livestock buildings...
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Scalar Dispersion in the Salado River Through Tracers Test and Two-Dimensional Model
A field tracer test and two-dimensional numerical modeling were used to analyze the scalars transport in an 8.0-km reach of the Salado River (Santa...
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Study on the migration mechanisms of water-soluble agents in high-pressure rotary jetting remediation
High-pressure rotary jetting (HPRJ) remediation is a recent-applied technology for in situ remediation of contaminated soils. The effectiveness of...
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Causes, concerns and hazards of sinkhole formation in Brengi stream catchment of Upper Jhelum basin, Kashmir Himalaya
On February 11, 2022, the Brengi streambed caved in, and a sizable sinkhole (33.57 N and 75.33 E) was developed. The Brengi stream is a major...
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Classroom aerosol dispersion: desk spacing and divider impacts
A study of aerosol dispersion was conducted in a university classroom using a CO 2 tracer gas emitted from three source locations in a steady release,...
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Particle drift simulation from mesotrione and rimsulfuron plus thifensulfuron-methyl mixture through two nozzle types to field and vegetable crops
Potential for off-target movements follows every herbicide application. Because the launch of acetolactate synthase (ALS)- and...
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Transport of nZVI/copper synthesized by green tea extract in Cr(IV)-contaminated soil: modeling study and reduced toxicity
In this study, nano-zero-valent iron/copper was synthesized by green tea extracts (GT-nZVI/Cu) and produced a stable suspension than nano-zero-valent...
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Continuous Phenol Biodegradation in a Bioreactor at Upflow Packed Bed by Mixed Microbial Culture
AbstractThis study aims to evaluate the performance of a bioreactor at an upflow packed bed with synthetic wastewater containing phenol under...
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Comparing machine learning and inverse modeling approaches for the source term estimation
Mathematical models serve as crucial tools for quantitatively assessing the environmental and population impact resulting from the release of...
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Mechanism of sinuosity effect on self-purification capacity of rivers
As one of the important characteristics of river morphology, river sinuosity has a direct impact on the river water quality and self-purification...
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Hematite-facilitated microbial ammoxidation for enhanced nitrogen removal in constructed wetlands
Constructed wetlands (CWs) are widely applied for decentralized wastewater treatment. However, achieving efficient removal of ammonia (
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Mining of Deep Nitrogen Facilitates Phragmites australis Invasion in Coastal Saltmarshes
Phragmites australis (or common reed), one of the most widespread invasive species in wetlands of North America, has a high nitrogen (N) demand...
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Measurement of the Apparent Diffusion Coefficient of Sodium Chloride in Unsaturated Soils Based upon the Electrical Resistance Method
Diffusion is one of the predominant transport mechanisms for the migration of contaminants in unsaturated soils. In most laboratory measurements of...
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High frequency un-mixing of soil samples using a submerged spectrophotometer in a laboratory setting—implications for sediment fingerprinting
PurposeThis study tests the feasibility of using a submersible spectrophotometer as a novel method to trace and apportion suspended sediment sources...
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Effect of Filter Media and Depth on Hydrodynamics and Treatment Performances of Single-Stage French Vertical Flow Treatment Wetlands Treating Domestic Effluent
Treatment wetlands for raw wastewater from small communities (< 2000 p.e.) represent 20% of the wastewater treatment plants in France today. The...
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Assessing the potential and kinetics of coupled nutrients uptake in mesotrophic streams in Chaohu Lake Basin, China
Interactions among multiple nutrients uptake certainly have a great effect on their retention in headwater streams, yet little research has been made...
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Dense non-aqueous phase liquid chlorinated contaminant detected far from the source release area in an aquifer
Here we confirm migration of chlorinated solvents tetrachloroethene and trichloroethene, and co-disposed elemental mercury as dense non-aqueous phase...
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Tracing the dominant sources of sediment flowing towards Lake Victoria using geochemical tracers and a Bayesian mixing model
PurposeLake Victoria has been increasingly silting over the past decades, impacting water quality and loss of biodiversity. Sediment control...
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Experimental investigations on scale-dependent dispersivity in three-dimensional heterogeneous porous media
The relationship between the scale-dependent dispersivity and heterogeneous sedimentary structures is investigated through conducting non-reactive...
