Stable Isotopes and Oxygen
Oxygen stable isotopes during the Last Glacial Maximum climate: perspectives from data–model ( LOVECLIM) comparison
... foraminifer oxygen stable isotopes and SST we deduced a large positive/negative δ 18 Osw anomaly for the North Indian Ocean/China Sea between the LGM and the present which may be explained by changes ...
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Ideas and perspectives: Tracing terrestrial ecosystem water fluxes using hydrogen and oxygen stable isotopes – challenges and opportunities from an interdisciplinary perspective
... on stable isotopes of hydrogen and ...the stable isotopes of hydrogen and oxygen as an effective tool with which to investigate the fate, avail- ability, and distribution of water in ...
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Can oxygen stable isotopes be used to track precipitation moisture
... condensation. Oxygen stable isotope ratios have therefore been frequently used as a source of palaeoclimate data from a variety of proxy archives, which integrate this signal over ...into oxygen ...
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Moss stable isotopes (carbon‑13, oxygen‑18) and testate amoebae reflect environmental inputs and microclimate along a latitudinal gradient on the Antarctic Peninsula
... Our primary aim is to test these against measurements of precipitation stable iso- tope composition, tissue water content and (micro-)climate in order to investigate the response of mo[r] ...
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Assessing Intra-Event Phosphorus Dynamics in Drainage Water Using Phosphate Stable Oxygen Isotopes
... that stable isotopes of C and N have been effective at constraining uncertainty in water quality models by reducing the broad potential pos- terior solution space for highly parametric models and high- ...
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Variation in stable carbon and oxygen isotopes of individual benthic foraminifera: tracers for quantifying the magnitude of isotopic disequilibrium
... The stable isotopes in foraminifera could be more effectively used as environmental proxies, for ex- ample for modeling global carbon cycling, with a clearer un- derstanding of the characteristics of their ...
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Stable Isotopes in Environmental Research SIER2012 (4ECTS)
... the stable isotopes of key elements in environmental research, carbon, nitrogen and ...introduce stable isotope ecology, stable isotope language and ...
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Stable isotopes as indicators of nitrate attenuation across landscapes
... dual isotopes, biological populations, and stream ...dissolved oxygen in the lowest reaches was <1 mg l -1 , in-stream denitrification accelerated (attenuating 40-80% of sewage N), microbial biofilm ...
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Stable isotopes and diet: You are what you eat
... single oxygen-18 and its measurement allowing for a formulaic determination of how much of the mass 45 signal is from oxygen-17 and therefore how much from ...
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Interpretation of benthic foraminiferal stable isotopes in subtidal estuarine environments
... of stable isotope signatures recorded in benthic foraminifera from subtidal estuarine ...theoretical oxygen isotopic equilibrium values, calcu- lated on the basis of water temperature and salinity measure- ...
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Giant Beaver (Castoroides) Palaeoecology Inferred from Stable Isotopes
... dissolved oxygen in the water ...Low oxygen or eutrophic conditions in the benthic zone stimulate bacterial denitrification and drive up the δ 15 N of available ...
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Stable water isotopes in the MITgcm
... of stable water isotopes in the Massachusetts Institute of Technology general circulation model ...(the oxygen isotopic composition of planktic foraminiferal ...the stable water ...
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Ocean circulation and shelf processes in the Arctic Mediterranean traced by radiogenic neodymium isotopes, rare earth elements and stable oxygen isotopes
... Nd isotopes to trace water mass origin, advection and mixing at surface and subsurface depths is clearly complementary to the assessments based on δ 18 O and nutrients and improves the reliability of the results, ...
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Stable vanadium isotopes as a redox proxy in magmatic systems
... atmospheric oxygen, depend critically on the spatial and temporal variation of oxygen fugacity (fO 2 ) in the Earth’s ...first stable vanadium isotope measure- ments of arc lavas, complemented by ...
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Biological production in the Bellingshausen Sea from oxygen-to-argon ratios and oxygen triple isotopes
... 5 Discussion 5.1 Influence of physical effects on N and G in the Bellingshausen Sea In the WSIZ, the presence of shallow mixed layers in a shel- tered geographical location less exposed to the wind stress is related to ...
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Thermoregulatory adaptations of Acrocanthosaurus atokensis - evidence from oxygen isotopes
... that could vary their metabolic heat production throughout their daily, seasonal, and lifetime cycles. Several potential contradictions arise here. Gigantothermy implies a bradymetabolic, and therefore unstable body ...
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Oxygen Isotopes and Volatiles in Martian Meteorite
... in oxygen isotope composition, and most of the subtle variations that are observed can be understood as consequences of crystallization differentiation or (in the case of ol in DaG 476) terrestrial ...no ...
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Stable isotopes in leaf water of terrestrial plants
... This is the Accepted Version of a paper published in the journal Plant, Cell & Environment: Cernusak, Lucas A., Barbour, Margaret M., Arndt, Stefan K., Cheesman, Alexander W., English, Nathan B., Feild, Taylor S., ...
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THE USE OF STABLE ISOTOPES IN BIOLOGICAL AND MEDICAL RESEARCH
... If all the hemoglobin in the circulating erythrocytes of sickle cell anemia were synthesized in the periph- eral blood at a rate of the same order of magnitude as in the in vitro experim[r] ...
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Modelling stable water isotopes: Status and perspectives
... of stable water isotopes within the various parts of the Earth’s hydrological cycle might help to improve our understanding of the δ-signal in various archives, and this article strives to describe the key ...
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