Mostrando 21 - 40 Resultados de 489 Para Buscar '"Bedrock"', tiempo de consulta: 0.21s Limitar resultados
  1. 21
    “…The presence of elevated arsenic concentrations (≥ 10 µg L(−1)) in groundwaters has been widely reported in areas of South-East Asia with recent studies showing its detection in fractured bedrock aquifers is occurring mainly in regions of north-eastern USA. …”
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    Occurrence, Geochemistry and Speciation of Elevated Arsenic Concentrations in a Fractured Bedrock Aquifer System
  2. 22
    “…In these terranes, faults, fractures, and shear zones play an important role in bedrock weathering and ultimately groundwater storage. …”
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    Structural controls on bedrock weathering in crystalline basement terranes and its implications on groundwater resources
  3. 23
    “…This study focuses on a series of regularly spaced, curvilinear, and sometimes branching bedrock ridges that occur within the Glen Torridon region on the lower northwest flank of Aeolis Mons, the central mound within Gale crater. …”
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    Orbital and In‐Situ Investigation of Periodic Bedrock Ridges in Glen Torridon, Gale Crater, Mars
  4. 24
    “…[Image: see text] In tight naturally fractured bedrock reservoirs, hydrocarbons are typically stored in fractures, where hydraulic fracturing is needed to connect these fractures to the wellbore. …”
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    Optimization of Fracturing Fluid and Retarded Acid for Stimulating Tight Naturally Fractured Bedrock Reservoirs
  5. 25
    “…The Martian highlands contain Noachian‐aged areally‐extensive (>225 km(2)) bedrock exposures that have been mapped using thermal and visible imaging datasets. …”
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    Investigating the Role of Amazonian Mesoscale Wind Patterns and Strength on the Spatial Distribution of Martian Bedrock Exposures
  6. 26
    “…Electrical resistivity imaging shows that in the burned catchments, rainfall infiltrated into the weathered bedrock and persisted. Stormflow isotope data indicate that the amount of mixing of surface and subsurface water during storms was similar in all catchments, despite higher streamflow post-fire. …”
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    Importance of subsurface water for hydrological response during storms in a post-wildfire bedrock landscape
  7. 27
    “…One outstanding unknown lies in how rock strength influences bedrock river morphology and thus mountain relief. …”
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    Rock properties and sediment caliber govern bedrock river morphology across the Taiwan Central Range
  8. 28
    “…In this study we investigated fungal communities in packer-isolated bedrock fractures in Olkiluoto, Finland at depths ranging from 296 to 798 m below surface level. …”
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    Revealing the unexplored fungal communities in deep groundwater of crystalline bedrock fracture zones in Olkiluoto, Finland
  9. 29
    “…Households with a recorded PWS in Cornwall were recruited to take part in a water sampling programme from 2011 to 2013. Bedrock geologies were aggregated and classified into nine Simplified Bedrock Geological Categories (SBGC), plus a cross-cutting “mineralized” area. …”
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    Hazard Ranking Method for Populations Exposed to Arsenic in Private Water Supplies: Relation to Bedrock Geology
  10. 30
    “…In the past years, the bedrock morphology underneath active glaciers has been studied by geophysical methods in order to infer the subglacial mechanisms of bedrock erosion. …”
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    Bedrock sculpting under an active alpine glacier revealed from cosmic-ray muon radiography
  11. 31
    “…To identify factors that drive plant species richness in South-African savanna and explore their relative importance, we sampled plant communities across habitats differing in water availability, disturbance, and bedrock, using the Kruger National Park as a model system. …”
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    Water availability, bedrock, disturbance by herbivores, and climate determine plant diversity in South-African savanna
  12. 32
    “…The water inrush mode of the working face changes under different bedrock thickness, and the thinner the bedrock, the less easily the fault is destroyed 3. …”
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    Simulation of the activation of mining faults and grouting reinforcement under thick loose layer and thin bedrock
  13. 33
    “…The rock behavior in shallow coal seam mining under bedrock gullies are studied. In the mining stage under the gully, the deformation of overburden is intense because overburden is thin, and the surface is easy to form a depression basin. …”
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    Multi-method joint monitoring study on strata behavior in shallow seam mining under bedrock gully
  14. 34
    “…Active microbial communities of deep crystalline bedrock fracture water were investigated from seven different boreholes in Olkiluoto (Western Finland) using bacterial and archaeal 16S rRNA, dsrB, and mcrA gene transcript targeted 454 pyrosequencing. …”
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    Active Microbial Communities Inhabit Sulphate-Methane Interphase in Deep Bedrock Fracture Fluids in Olkiluoto, Finland
  15. 35
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    A Study of Natural Radioactivity Levels and Radon/Thoron Release Potential of Bedrock and Soil in Southeastern Ireland
  16. 36
    “…Here we show that the landing site experienced multiple climatic changes in the Amazonian, which are recorded by an intriguing set of ridges that we interpret as Periodic Bedrock Ridges (PBRs). Clues for a PBR origin result from ridge regularity, defect terminations, and the presence of preserved megaripples detaching from the PBRs. …”
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    Periodic Bedrock Ridges at the ExoMars 2022 Landing Site: Evidence for a Changing Wind Regime
  17. 37
    por Chen, Tuo
    Publicado 2021
    “…In this paper, considering the far-field seismic input, an accelerogram recorded in the bedrock at Wuquan Mountain in Lanzhou city during the 2008 Wenchuan Ms8.0 earthquake was selected, and numerical dynamic analyses were conducted. …”
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    Seismic response analysis of loess site under far-field bedrock ground motion of the Wenchuan earthquake
  18. 38
    “…Groundwater Th analyses are consistent with bedrock release and dilution upon mixing with river water. …”
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    River thorium concentrations can record bedrock fracture processes including some triggered by distant seismic events
  19. 39
    “…We report a rare case of full neurological recovery in a 77‐year‐old woman with an initial Glasgow Coma Scale of 3 while taking a bedrock bath. Severe heatstroke was quickly diagnosed, and intensive treatment was immediately provided. …”
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    A rare case of full neurological recovery from severe nonexertional heatstroke during a bedrock bath
  20. 40
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    Microbial communities across a hillslope‐riparian transect shaped by proximity to the stream, groundwater table, and weathered bedrock
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