Sediment Core
The GIK-Archive of sediment core radiographs with documentation
... one core. Metadata and additional documentary files includ- ing core descriptions and photos were added, if ...cover core ID, latitude and longitude, water depth, recovery, coring device and ...
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Contamination from mercury and other heavy metals in a mining district in Ghana: discerning recent trends from sediment core analysis
... The current average depth of Lake Amponsah was esti- mated as 305 cm (10.01 ft.). Applying the Eq. 1, the rate of sedimentation per year was then estimated as 1.76 cm. Thus, each 5 cm slice of sediment core ...
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A COMPARISON TECHNIQUE OF ALPHA AND GAMMA SPECTROMETRY TO MEASURE Pb-210 ACTIVITY IN MARINE SEDIMENT CORE
... The above differences were supported by statistical analysis that have medium positively correlation between alpha and gamma spectrometry in terms to determine the activity of 210 Pb in marine sediment ...
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Application of sediment core modelling to interpreting the glacial-interglacial record of Southern Ocean silica cycling
... Records of biogenic opal content in deep-sea sediments from the Atlantic sectors of the Southern Ocean reveal a pro- nounced meridional asymmetry (Charles et al., 1991; Mort- lock et al., 1991; Kumar et al., 1995; ...
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Extreme lowering of deglacial seawater radiocarbon recorded by both epifaunal and infaunal benthic foraminifera in a wood-dated sediment core
... Our Gulf sediment core observations indicate that the mixed- species 1 14 C measurements from the Undercurrent sites shown in Figs. 1 and 5 are largely accurate, although the higher values that form the ...
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Evaluation of Pollution Sources of Zinc in Tokyo Bay Based on Zinc Isotope Ratio in Sediment Core
... densely populated (approximately 26 million) and highly industrialized area. Many anthropogenic sources, including steel mills, petrochemical plants, and municipal solid waste incinerators, are located in its coastal ...
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Po-210, Pb-210 AND Po-210/Pb-210 IN SEDIMENT CORE FROM SURROUNDING SUNGAI LINGGI ESTUARY
... Po/ 210 Pb were in the ranges of 22.73 – 139.06 Bqkg -1 dw., 37.88 – 176.24 Bqkg -1 dw. and 0.23 – 1.34, respectively. The variation in the distribution profile for the radionuclides are believed to be influenced by ...
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X ray computerized tomography analysis and density estimation using a sediment core from the Challenger Mound area in the Porcupine Seabight, off Western Ireland
... constructed using histogram equalization with the lower limit value of water, which provides contrastive images for structure observations. Left and right sides of Fig. 3(b) show cross sections on y-z and z-x planes ...
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Dynamics of the British Ice Sheet and prevailing hydrographic conditions for the last 175,000 years : an investigation of marine sediment core MD04 2822 from the Rockall Trough
... O on the GICC05 timescale. This may reflect incomplete understanding of local marine reservoir effects for this time and location. Additionally, the age offset may reflect differences in the chronologies of the ...
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A record of the upper Olduvai geomagnetic polarity transition from a sediment core in southern Yokohama City, Pacific side of central Japan
... available sediment records spanning the four most recent transitions (Clement 2004), records with resolutions higher than 1 kyr are needed to observe de- tailed variations in paleointensity as well as direction ...
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Tephrostratigraphic studies on a sediment core from Lake Prespa in the Balkans
... All tephras and cryptotephras in core Co1215 indicate alka- line affinity (Fig. 4). The only known source with mainly alkaline volcanism in the surrounding of Lake Prespa are the volcanic districts of the Italian ...
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Reconstructing the accumulation history of a saltmarsh sediment core: Which age depth model is best?
... most sediment- based palaeoenvironmental reconstructions (Telford et ...As core collection typically targets high marsh environments, the resulting RSL reconstruction is primarily controlled by the ...
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A synthesis of marine sediment core 13 C data over the last 150 000 years
... The reconstruction of past ocean states depends on the collation of δ 13 C observations from throughout the ocean, which can provide a fairer test to hypotheses than individ- ual datasets. The demand for such syntheses ...
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Environmental Geochemistry of Core Sediment in the Cochin Estuary (CE), India
... Estuarine sediment concentration of trace metals can be elevated due to high inputs from natural, as well as anthropogenic ...water. Sediment cores are a pricey and exclusive resource of immense scientific ...
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unit3-Coring and Sediment sampling
... Principle: In order to ground-truth geophysical data, it is necessary to obtain a sample of the seabed. There are two main techniques available for sampling unconsolidated sediments : (1) seabed surface sampling using ...
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Residual archives on organochlorine insecticides in the core sediment of a tropical estuary, India
... the sediment cores of Cochin Estuarine System (CES) is highlighted in this research ...six sediment core samples collected from specific sites of CES, during November ...the sediment quality ...
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Exploring .NET Core with Microservices, ASP.NET Core, and Entity Framework Core
... matters. Core topics include deci- phering and modularizing awkward code structures, integrating and automating tests, replacing outdated build systems, and using tools like Vagrant and Ansible for infra- ...
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Proceedings, Workshop on Sediment Control
... Does North Carolina need a sediment control program. If so, what[r] ...
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Modelling and monitoring the sediment trapping efficiency and sediment dynamics of the Burdekin Falls Dam, Queensland, Australia
... suspended sediment, and 79% of particulate nitrogen and phosphorus, with negligible trapping of dissolved materials (Fentie et ...suspended sediment loads to the GBR, works above the dam would not be ...
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Deep-Water Sediment Bypass
... of sediment bypass zones by linking them down-system with areas of sediment ...for sediment transport ...and sediment bypass, high-resolution stratigraphic links between the deposits found in ...
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