Weathering processes
Tracing silicate weathering processes in the permafrost dominated Lena River watershed using lithium isotopes
... Murphy, M. and Porcelli, D. and Pogge von Strandmann, Philip A.E. and Hirst, C. and Kutscher, L. and Katchinoff, J. and Morth, C. and Maximov, T. and Andersson, P. (2018) Tracing silicate weathering ...
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The effect of hydrothermal spring weathering processes and primary productivity on lithium isotopes: Lake Myvatn, Iceland
... be one of the most useful of these tracers, and are currently the only known tracer that solely responds to silicate weathering processes (Pogge von Strandmann and Henderson, 2015). This is because the Li ...
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Effects of Chemical and Mechanical Weathering Processes on the Degradation of Plastic Debris on Marine Beaches
... Plastics are an integral part of everyday life, and the use of plastic products for consumer goods, food packaging, recreational and commercial fishing and medical and sanitary applications continues to increase. The ...
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Influence of microclimate on the directional dependence of sandstone pillar weathering in Angkor Wat temple, Cambodia
... These weathering processes are thought to be re- stricted by direction dependent (Waragai 2005b; Wara- gai et ...stone weathering, previous studies have shown the importance of direction or as- pect ...
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Experimental Study on the Phlogopite Weathering Potential of Bacterial Communities Isolated from Different Soil Profiles
... biochemical processes known to control the formation and the vertical differentiation of soil profiles are acidolysis for ...these processes were not found to be the weathering processes that ...
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The Effects of Extreme Media on Political Behavior, Attitudes, and Media Selection
... whose weathering progression differed ...long-term weathering processes and (2) that this Cs will negatively affect the ability of soils at the SRS to adsorb 137 Cs and (3) the interlayer wedge zones ...
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Influence of natural regeneration on fractal features of residue microaggregates in bauxite residue disposal areas
... age, the residue microaggregates had a denser structure and the particles were distributed uniformly. 1), which suggested that natural weathering processes decreased [r] ...
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unit4-IMAM Final paper Oil Spills
... Most oil spill transport models have adopted a La- grangean description. However, it is likely that Eule- rian models will be used more frequently in the fu- ture as they need to be coupled with the (Eulerian) ...
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Aqueous Mineral Speciation And Geochemical Processes Within The Keana-Awe-Azara Brine Fields Of The Central Benue Trough, Nigeria
... silicate weathering, calcite dissolution and sulfide-mineral oxidation [3], ...Carbonate Weathering Processes could have influenced the chemistry of the groundwater within the study ...
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Weathering of Petroleum Biomarkers: Review in Tropical Marine Environment Impacts
... the weathering processes and the residence time of a given oil into the ...short weathering time, which reach no more than some ...the weathering time can take decades because the predominance ...
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Spatial and temporal variations of Rb/Sr ratios of the bulk surface sediments in Lake Qinghai
... physical weathering and chemical weathering in Lake Qinghai catchments may have opposite influ- ence on Rb/Sr ratios of the bulk sediments, and they are competing in dominating the Rb/Sr ratios of lake ...
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The role of forest trees and their mycorrhizal fungi in carbonate rock weathering and its significance for global carbon cycling
... Hyphae can produce channels and trenches on carbonate minerals, for example on polished marble after 4 months colonization by Heboloma crustaliniforme ectomycorrhizal with Pinus sylvestris (Rosling 2003). Channels have ...
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Weathering Steel in Industrial Marine Urban Environment: Field Study
... The relative difference in the specific surface area of SOL and SIL can be inferred from the presence of a considerable amount of akaganeite (¢-FeOOH) which has a tunnel structure and contributes to a high surface area ...
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Weathering Characteristics of Hwango-dong Three-story Stone Pagoda in Gyeongju, Korea
... The surface contaminants collected at sampling point I showed high CaO content, which is attributed to the gypsum component due to the cement used to repair the hwango-dong three-story stone pagoda. As a result of ...
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Influence of Cl- on the Initial Corrosion of Weathering Steel in Simulated Marine-Industrial Atmosphere
... cannot be separately discerned by XRD method [21]. In particular, amorphous δ-FeOOH (feroxyhyte) is highly abundant in atmospheric corrosion product layers and has been widely reported in the literature [22]. However, ...
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Engineering geological investigations and hazard assessment for the Picton, Waikawa and Shakespeare Bay area, Marlborough Sounds
... Weathering grade/profile correlation Weathering profiles of the study area Classification of weathered greywacke soil samples Activity data Penetrometer results Landslides in colluvium, [r] ...
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Elemental and isotopic behaviour of Zn in Deccan basalt weathering profiles: Chemical weathering from bedrock to laterite and links to Zn deficiency in tropical soils
... Elemental and isotopic behaviour of Zn in Deccan basalt weathering profiles: Implications for chemical weathering from bedrock to laterite and links to Zn deficiency in tropical soils.. [r] ...
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Insights into biogeochemical cycling from a soil evolution model and long-term chronosequences
... perature, precipitation, pH, soil depth and vegetation dynamics. The influence of each of these factors is hard to quantify from field studies alone and current modelling at- tempts lack true process-based ...
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Weathering characteristics of bamboo (Phyllostachys puberscence) exposed to outdoors for one year
... to weathering showed the increase in DL*, indicating that the sample color became lighter ...natural weathering differed from that in woods, in which wood became darker and grey with increasing exposure ...
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Olivine Weathering against Climate Change
... of weathering of olivine is too slow to counter climate change, but they base this on experimental data in sterile laboratories, under exclusion of biotic and other environmental ...the weathering rate at ...
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