Carbon isotope values from rock samples
Organic carbon isotope values from the Late Permian Seis/Siusi succession (Dolomites, Italy): Implications for palaeoenvironmental changes
... change from the limestone-dolomite cycles of the Bellerophon Formation to the oolites of the TOH is environmentally significant and also marks the tradi- tional PTB (Leonardi 1967; Asserato et ...
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Assigning hydrogen, carbon, and nitrogen isotope values for phytoplankton and terrestrial detritus in aquatic food web studies
... A values because the estimated and measured values were not sig- nificantly ...A values because the slope of the regression between estimated and measured values among lakes was not ...
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Preparation and purification of organic samples for selenium isotope studies
... obtained from selenate supplied cultiva- tion batches with Δ 82/76 Se values of ...Se values of ...Different isotope fractionations among the Se spe- cies were very likely caused by plant ...
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Investigating diel, seasonal, and interannual variability of dissolved and particulate stable carbon isotope values in a eutrophic boreal lake
... During my time at IISD-ELA I had the support of knowledgeable and passionate researchers. Thank you Dr. Sonya Havens for welcoming me to your lab and accommodating my sample analysis – I am so appreciative of your time, ...
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Pyrogenic carbon from tropical savanna burning: production and stable isotope composition
... savanna isotope disequilib- rium effect (SIDE, difference in carbon isotopic composi- tion between grass biomass and pyrogenic carbon compo- nents) was highest at sites with the greatest proportion ...
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Pyrogenic carbon from tropical savanna burning: production and stable isotope composition
... C, PyC abundance and δ 13 C values, serving thus as reference to compare against post-burn samples. Burning experiments were carried out on a small scale [m 2 ], and were conceived to ensure the capture of ...
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Carbon isotope anomaly in the major plant C
... C values of methoxyl pools in plants and some plant derived C 1 VOCs in ...terrestrial carbon sources (Whiticar, ...ranges from −11 to −46‰ with the pectin C 1 pool gener- ally more depleted than the ...
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Heterogeneous temperature sensitivity of effective radium concentration from various rock and soil samples
... larger values of ...observed values of ...experimental values are not affected by diffusion effects in the pore ...temperature values, temperature may spark off some nanometric to micrometric ...
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Dielectric Constant and Emissivity of Rock Samples at Microwave Frequencies
... igneous rock samples at three microwave frequencies by using waveguide cell ...The values of emissivity of rock samples are estimated with the use of respective dielectric ...angles ...
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Natural radioactivity in rock samples of Aravali hills in India
... studied samples are less than unity and therefore these samples are safe from health point of ...‘Iγ’ values of the studied samples follow the criterion (Iγ≤2) therefore it may be ...
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The correlation of electrical charge with strain on stressed rock samples
... This weak electric signal comes from early crack genera- tions of low concentration within the bulk material. A con- siderable signal amplitude increase can be observed after 250 s when deformation gets ...
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The SISAL database : a global resource to document oxygen and carbon isotope records from speleothems.
... or from published and open- access material by specialists in the collection and interpreta- tion of speleothem ...selected from the pre- defined lists provided for specific ...Null values for ...
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Stable Carbon and Nitrogen Isotope Values of Bone and Teeth Reflect Weaning Age at the Medieval Wharram Percy Site, Yorkshire, UK
... N values of different age classes of children and noting when there is a change from a ␦ 15 N value that is higher than adult values (bone formed when the child was consuming breast milk) to lower ...
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Stable carbon isotope discrimination by rubisco enzymes relevant to the global carbon cycle
... ε values that have been measured in RubisCOs from different organisms vary ...organic carbon and may even account for the observed 13 C enrichment of marine carbon (Michener ...C ...
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Carbon allocation and carbon isotope fluxes in the plant-soil-atmosphere continuum: a review
... isotopic values of SOM integrate processes over a large scale of both space and ...‰ from the litter to about 6 cm depth (Bostr¨om et ...of carbon flow that are common to all ecosys- ...
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Stable Carbon And Nitrogen Isotope Analyses Of Subfossil Rats From Liang Bua (flores, Indonesia)
... femora from Liang Bua cave on the island of Flores, Indonesia, as well as conducted carbon and nitrogen stable isotopic analyses on well preserved ...bone samples within the cave is considered less ...
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Data Repository Item The Stable Carbon Isotope Composition of dsdna Isolated from an Incipient Paleosol
... plant samples (Tables 1 and 2, main text), leaf tissues and stem tissues were clipped and packed as tightly as possible into 22 mL borosilicate ...material from between two to ten individuals. In the ...
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Carbon isotope signatures from land snail shells: Implications for palaeovegetation reconstruction in the eastern Mediterranean
... all samples were carried out using continuous flow isotope ratio mass ...shell samples were transferred to Exetainer vials and sealed with silicone rubber septa using a screw cap, then flushed with CP ...
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Isotope Dating of the Potash and Rock Salt Deposit at Bamnet Narong, NE Thailand
... Rb-Sr isotope systems in comparison with the existing ...carnallite samples, which were collected from a 1200 m long profile in the shaft of the Bamnet Narong (Asian Potash ...
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Determination of Radium 226 in Rock Samples by Liquid Scintillation Counter
... separation from rock ...in rock samples by liquid scintillation spectrometer via its short-lived daughters after the radiochemical ...in rock samples collected from the ...
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