Carbon Isotopes
Low turnover rates of carbon isotopes in tissues of two nectar feeding bat species
... stable isotopes of several tissues from the same animal can serve as a window to different dietary periods, because the turnover rates of isotopes may vary between tissues (Hobson and Sealy, ...of ...
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Carbon isotopes in the ocean model of the Community Earth System Model (CESM1)
... including carbon isotopes in the ocean model of the CESM1, the CESM1 joins the community of other comprehensive ocean general circulation models that include abiotic radiocarbon and/or biotic 13 C in the ...
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Application of stable carbon isotopes in a subtropical North Atlantic mesocosm study: a new approach to assess CO2 effects on the marine carbon cycle
... Stable Carbon Isotopes Measurement Processing The three different instrument configurations used to perform stable carbon isotope analysis were calibrated by cross check measurements of the same ...
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Empirical evidence for the fractionation of carbon isotopes between diamond and iron carbide from the Earth’s mantle
... stable isotopes of carbon from mantle-derived samples are frequently used to trace the exchanges of carbon between the Earth’s surface and ...diamond-forming carbon (see review by Shirey et ...
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Anaerobic carbon cycling pathways in the subseafloor investigated via functional genes, chemical gradients, stable carbon isotopes, and thermodynamic calculations
... (stable carbon isotopes, calculated in situ energy yields, inference of process rates from geochemical gradients), thereby helping to bridge the gap between the two approaches, and improving our ...
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Stable carbon isotopes of tree rings as a tool to pinpoint the geographic origin of timber
... to carbon isotope network data of pinyon pines (Pinus edulis and Pinus monophylla) from the southwestern United States to test the effi cacy of using a carbon isotope time series for provenancing ...
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Spatial analysis of carbon isotopes reveals seagrass contribution to fishery food web
... The baseline surveys suggested that sources with enriched carbon isotopes (seagrass, epi- phytes and saltmarsh grass) were important to crabs. We surveyed crabs again, using a more explicit spatial survey ...
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A synthetic standard for the analysis of carbon isotopes of carbon in silicates, and the observation of a significant water-associated matrix effect
... of isotopes, organic material can be heterogeneous at the ...of carbon isotopes is an important frontier of ...a carbon signal intensity within the same instrument dynamic range as that found ...
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Comparison between modern polar and temperate skeletal carbonate mineralogy and oxygen and carbon isotopes, Antarctic and Tasmanian shelves
... C.P. RAo, AMINI, Z.Z. & FRANKLIN, D.C., 1996 (xi): Comparison between modern polar and temperate skeletal carbonate mineralogy and oxygen and carbon isotopes, Antarctic and Tasmanian shelves. In Banks, ...
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Exploring the Structure of the Most Neutron-rich Boron and Carbon Isotopes
... One of the key ingredients in characterising halo systems is the valence neutron binding energy. Deter- mining experimentally the masses of boron and carbon isotopes at the neutron dripline is not possible ...
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Charge-changing cross section measurement of neutron-rich carbon isotopes at 50 AMeV
... The incoming particle was identified and counted by ΔE − TOF method (fig. 1(b)) with less than 0.1% of admixing of other nuclides due mainly to channelling effect in silicon crystal. We use MUSIC instead of Si detectors ...
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Deep ocean ventilation, carbon isotopes, marine sedimentation and the deglacial CO 2rise
... Biological export of carbon from the sea surface augments primarily in the Atlantic and in the Indian oceans, and to a lesser degree in the Northern Pacific. There is almost no change in export production in the ...
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Insensitivity of alkenone carbon isotopes to atmospheric CO2 at low to moderate CO2 levels
... of carbon flux within and across cellular com- partments (Rokitta et ...organic carbon amongst different pathways also likely influ- ences ε p and is currently not mechanistically represented ...
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Stable carbon isotopes of dissolved inorganic carbon for a zonal transect across the subpolar North Atlantic Ocean in summer 2014
... Le Quéré, C., Raupach, M. R., Canadell, J. G., Marland, G., Bopp, L., Ciais, P., Conway, T. J., Doney, S. C., Feely, R. A., Foster, P., Friedlingstein, P., Gurney, K., Houghton, R. A., House, J. I., Huntingford, C., ...
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Adding stable carbon isotopes improves model representationof the role of microbial communities in peatland methanecycling
... The simulations by the modified DNDC improved upon the predictions by the version without acetate dynamics, which failed to capture the observed relative contribution of methanogenic path[r] ...
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Increased C3 productivity in Midwestern lawns since 1982 revealed by carbon isotopes in Amanita thiersii
... herbarium specimens as recorders of environmental information during the season of collection [McLauchlan et al., 2010], although phylogenetic variability and the variable response to climate result in a noisy signal. ...
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Compiled records of carbon isotopes in atmospheric CO 2for historical simulations in CMIP6
... Matsumoto, K., Sarmiento, J. L., Key, R. M., Aumont, O., Bullister, J. L., Caldeira, K., Campin, J. M., Doney, S., Drange, H., Du- tay, J. C., Follows, M., Gao, Y., Gnanadesikan, A., Gruber, N., Ishida, A., Joos, F., ...
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Carbon isotopes of dissolved inorganic carbon reflect utilization of different carbon sources by microbial communities in two limestone aquifer assemblages
... Stable carbon isotope ratios are reported in the delta notation that expresses 13 C / 12 C ratios as δ 13 C values in per mil (‰) relative to international reference ma- terial NBS 22 ...
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Stable carbon isotopes in exhaled breath as tracers for dietary information in birds and mammals
... signature of the substrate currently metabolized, it is increasingly used by experimental physiologists and behavioural ecologists to study metabolic substrate use in captive (e.g. Carleton et al., 2006) and free-ranging ...
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Albuquerque Isotopes ISOTOPES QUICK FACTS PROMOTIONS. Fact of the Day:
... TODAY’S START: Alberto Bastardo makes the start after skipping a turn to tend to a sore lower back. In his last outing on May 15 at Tucson, Bastardo pitched seven strong innings, allowign three runs on seven hits while ...
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