Journal ArticleDOI
Isotopic standards for carbon and oxygen and correction factors for mass-spectrometric analysis of carbon dioxide
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In this paper, Niee's and Solenhofen standards were compared to the Chicago PDB standard for carbon and oxygen isotope ratios, and the correction factors for instrumental effects and for the nature of the mass spectra were derived.About:
This article is published in Geochimica et Cosmochimica Acta.The article was published on 1957-01-01. It has received 4071 citations till now. The article focuses on the topics: Carbon & Carbon dioxide.read more
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The effects of atmospheric NO2 on the measured isotopic composition of atmospheric CO2
Harmon Craig,Charles D. Keeling +1 more
TL;DR: In this paper, the effects of the slight concentration of N/sub 2/O in the atmosphere in the isotopic studies of CO/sub 1/2/O are discussed.
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Oxygen isotope systematics of the Banda Arc: Low delta O-18 despite involvement of subducted continental material in magma genesis.
TL;DR: In this paper, the authors reported new laser fluorination oxygen isotope data for 60 volcanic rocks and 15 sediments distributed over the whole length of the Banda Arc, eastern Indonesia.
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Soil respiration under elevated CO2 and its partitioning into recently assimilated and older carbon sources
TL;DR: In this paper, the authors measured soil respiration in situ under elevated CO2 concentration and estimated the importance of recent carbon (root/rhizosphere respiration) vs. older carbon to the total soil CO2 efflux.
Journal ArticleDOI
Spatial expression of ENSO, drought, and summer monsoon in seasonal δ13C of ponderosa pine tree rings in southern Arizona and New Mexico
TL;DR: In this article, the authors used stable-carbon isotope (δ13C) composition of tree rings to represent and reconstruct interannual climate variability in the U.S. Southwest by subdividing rings into pre-and post-monsoon-onset segments based on the presence of a false-latewood band induced by the arid period immediately preceding the summer monsoon.
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The Maastrichtian record from Shatsky Rise (northwest Pacific): A tropical perspective on global ecological and oceanographic changes
Tracy D. Frank,Deborah J Thomas,R. Mark Leckie,Michael A. Arthur,Paul R. Bown,Kelly Jones,Jackie A. Lees +6 more
TL;DR: In this article, isotopic and micropaleontological data from a depth transect on Shatsky Rise were used to record the response of the tropical Pacific to global biotic and oceanographic shifts during the mid-Maastrichtian.
References
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Journal ArticleDOI
On the Isotopic Chemistry of Carbonates and a Paleotemperature Scale
TL;DR: In this paper, the temperature variation of the fractionation of oxygen in exchange reactions between dissolved carbonate and water and between calcite and water was calculated on theoretical grounds, and checked experimentally.
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Variation of O18 content of waters from natural sources
S Epstein,Toshiko K. Mayeda +1 more
TL;DR: A number of marine water and fresh water samples were examined for the relative O18O16 ratio, and the variation of this ratio was determined to a precision of ± 1% as mentioned in this paper.
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Revised carbonate-water isotopic temperature scale
TL;DR: The relationship between temperature and O(18) content relative to that for a Cretaceous belemnite of the Pee Dee formation previously reported (Epstein, Buchsbaum, Lowenstam, and Urey, 1951) has been re-determined using modified procedures for removing organic matter from shells, and is found to be 16.5 - 4.3 δ + 0.14 δ^2
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The geochemistry of the stable carbon isotopes
TL;DR: A survey of the variation of the ratio C13/C12 in nature can be found in this paper, where Urey and his co-workers used two complete feed systems with magnetic switching to determine small differences in isotope ratios between samples and a standard gas.