Articles with "sand" as a keyword



The Dependence of Water Permeability in Quartz Sand on Gas Hydrate Saturation in the Pore Space: Permeability of gas hydrate-bearing sand

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Published in 2018 at "Journal of Geophysical Research"

DOI: 10.1002/2017jb014630

Abstract: Transport of fluids in gas hydrate bearing sediments is largely defined by the reduction of the permeability due to gas hydrate crystals in the pore space. Although the exact knowledge of the permeability behavior as… read more here.

Keywords: sand; gas; permeability; gas hydrate ... See more keywords

Self‐organized kilometer‐scale shoreline sand wave generation: Sensitivity to model and physical parameters

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jf004197

Abstract: The instability mechanisms for self-organized kilometer-scale shoreline sand waves have been extensively explored by modeling. However, while the assumed bathymetric perturbation associated with the sand wave controls the feedback between morphology and waves, its effect… read more here.

Keywords: self organized; angle; sand; shoreline ... See more keywords

Biomineralization for Reducing and Controlling Sand‐Dust Storms

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202403961

Abstract: The sand‐dust weather and sand‐dust storms have become a serious environmental disaster worldwide. It is an important challenge to develop technologies for desert sand solidification in order to prevent and control sand‐dust weather. The biomineralization… read more here.

Keywords: sand dust; solidification; dust storms; sand ... See more keywords

Factors influencing the natural regeneration of the pioneering shrub Calligonum mongolicum in sand dune stabilization plantations in arid deserts of northwest China

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Published in 2018 at "Ecology and Evolution"

DOI: 10.1002/ece3.3913

Abstract: Abstract Calligonum mongolicum is a successful pioneer shrub to combat desertification, which is widely used for vegetation restoration in the desert regions of northwest China. In order to reveal the limitations to natural regeneration of… read more here.

Keywords: sand; seed; sand dune; sand dunes ... See more keywords

Predator, prey, and substrate interactions: the role of faunal activity and substrate characteristics

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Published in 2019 at "Ecosphere"

DOI: 10.1002/ecs2.2545

Abstract: Many taxa possess a range of strategies to reduce the risk of predation, including actively seeking suitable refuge habitats; however, the global spread of invasive species may disrupt these behavioral responses. In lotic ecosystems, interstitial… read more here.

Keywords: activity; fine sediment; predator prey; sand ... See more keywords

How many measurements are required to construct an accurate sand budget in a large river? Insights from analyses of signal and noise

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Published in 2019 at "Earth Surface Processes and Landforms"

DOI: 10.1002/esp.4489

Abstract: Morphological change in river channels is frequently evaluated in the context of mass balance sediment budgets. In a closed sediment budget, measurements of sediment influx and efflux are coupled with measured changes in channel topography… read more here.

Keywords: sand; mass balance; sand budget; river ... See more keywords

Calibration‐free image analysis method for grain‐size distribution of small natural sand samples

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Published in 2024 at "Earth Surface Processes and Landforms"

DOI: 10.1002/esp.5884

Abstract: Natural sand samples collected from bedload or suspension transport can be too small to be sieved. However, related transported mass to sediment size is crucial to calibrate sediment transport models. Image analysis technique can be… read more here.

Keywords: size; sand samples; natural sand; sand ... See more keywords

Geomorphology and sediment mobility on sand banks: A study of Dogfish Bank, Hecate Strait, Northeast Pacific Ocean

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Published in 2024 at "Earth Surface Processes and Landforms"

DOI: 10.1002/esp.5925

Abstract: Movement of sediment along shallow continental shelves is a natural process with wide‐ranging environmental and economic implications, making it of high importance to marine spatial planning efforts in the offshore. Development of marine renewable energy,… read more here.

Keywords: hecate strait; sediment mobility; migration; sand ... See more keywords

Rare earth element characteristics of Holocene sediments at the southern margin of the Gurbantunggut Desert and their implications for provenance

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Published in 2025 at "Earth Surface Processes and Landforms"

DOI: 10.1002/esp.70022

Abstract: The identification of Holocene sediment provenance at the southern edge of the Gurbantunggut Desert is of great significance for understanding the interaction processes of regional wind and water forces, the evolution of river‐dune landform patterns… read more here.

Keywords: gurbantunggut desert; holocene; desert; sand ... See more keywords

Matrix-Associated Microbial Communities In A Nitrogen-Removing On-Site Wastewater Treatment System Are Largely Structured By Niche Processes.

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Published in 2022 at "Journal of environmental quality"

DOI: 10.1002/jeq2.20422

Abstract: On-site wastewater treatment systems (OWTS) can be designed to promote microbial communities with naturally occurring metabolic functions desirable to wastewater treatment. Among such OWTS are nitrogen-removing biofilters (NRB), comprising a sand layer overlying a sand-lignocellulose… read more here.

Keywords: sand layer; wastewater treatment; matrix associated; sand ... See more keywords
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Sand accumulation in the digestive tract of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus): the role of the appendix.

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Published in 2021 at "Journal of morphology"

DOI: 10.1002/jmor.21423

Abstract: We determined location and amount of accumulated sand in the gastrointestinal tract (GIT) of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus) fed diets containing external (silicate) abrasives. Computed tomographic abdominal images of rabbits (n=44)… read more here.

Keywords: sand; guinea pigs; appendix; sand accumulation ... See more keywords