Speciated Collection of Nitric Acid and Fine Particulate Nitrate for Nitrogen and Oxygen Stable Isotope Determination

2020 ◽  
Vol 92 (24) ◽  
pp. 16079-16088
Author(s):  
Danielle E. Blum ◽  
Wendell W. Walters ◽  
Meredith G. Hastings
Keyword(s):  
Nitric Acid ◽  
Stable Isotope ◽  
Fine Particulate ◽  
Oxygen Stable Isotope ◽  
Isotope Determination

scholarly journals OXYGEN STABLE ISOTOPE VARIATION IN LATE HOLOCENE ICE WEDGES IN YAMAL PENINSULA AND SVALBARD

2015 ◽  
Vol 8 (3) ◽  
pp. 36-54 ◽  
Author(s):  
Yurij K. Vasil'chuk ◽  
Nadine A. Budantseva ◽  
Hanne H. Christiansen ◽  
Julia N. Chizhova ◽  
Alla C. Vasil'chuk ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Late Holocene ◽  
Yamal Peninsula ◽  
Oxygen Stable Isotope ◽  
Isotope Variation

Morphometry of selected calcareous nannofossils across the Cretaceous-Paleocene boundary at the Bidart (France) and Elles (Tunisia) sections. Comparison with carbon and oxygen stable isotope ratios

2004 ◽  
Vol 175 (4) ◽  
pp. 399-412 ◽  
Author(s):  
Nicolas Thibault ◽  
Fabrice Minoletti ◽  
Silvia Gardin ◽  
Maurice Renard
Keyword(s):  
Stable Isotope ◽  
Basque Country ◽  
Size Increase ◽  
Stable Isotope Ratios ◽  
Calcareous Nannofossils ◽  
Isotopic Data ◽  
Biometric Analysis ◽  
Central Tunisia ◽  
Stressful Environment ◽  
Oxygen Stable Isotope

Abstract A detailed biometric analysis of five species of calcareous nannofossils was carried out on samples from the uppermost Maastrichtian and lowermost Danian of Bidart (Basque Country, SW France) and Elles (central Tunisia). This study reveals the existence of two morphotypes of A. cymbiformis and an abrupt reduction of the five species immediately below the K-T boundary, likely in relation with a stressful environment, which would have developed just before the deposition of the iridium level, followed by a sudden size increase in the basal Danian reflecting the reworking pattern of the Cretaceous species. In addition, the comparison of biometric and isotopic data seems to indicate that the two morphotypes of A. cymbiformis have different ecologies, the large one being favoured in cool waters.

Multi-sample conversion of water to hydrogen by zinc for stable isotope determination

1985 ◽  
Vol 57 (7) ◽  
pp. 1437-1440 ◽  
Author(s):  
Carol. Kendall ◽  
Tyler B. Coplen
Keyword(s):  
Stable Isotope ◽  
Isotope Determination

Hydrogen and Oxygen Stable Isotope Ratios of Milk in the United States

2010 ◽  
Vol 58 (4) ◽  
pp. 2358-2363 ◽  
Author(s):  
Lesley A. Chesson ◽  
Luciano O. Valenzuela ◽  
Shannon P. O’Grady ◽  
Thure E. Cerling ◽  
James R. Ehleringer
Keyword(s):  
United States ◽  
Stable Isotope ◽  
Isotope Ratios ◽  
The United States ◽  
Stable Isotope Ratios ◽  
Oxygen Stable Isotope
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