Ice texture and stable oxygen isotopes
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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Improved methodologies for continuous-flow analysis of stable water isotopes in ice cores
... replicate ice samples to account for multiple sources of uncertainty on the CRDS- CFA ...tinct ice sticks to evaluate the impulse response of the system, which yields a CFA system mixing ...the ice ...
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Reconciling glacial Antarctic water stable isotopes with ice sheet topography and the isotopic paleothermometer
... cloud ice and cloud liquid water, a flux-form semi-Lagrangian transport scheme for all vapour, liquid water and ice in the atmosphere, and a different cloud micro-physical ...cloud ice as most ...
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Influence of regional precipitation patterns on stable isotopes in ice cores from the central Himalayas
... and colder vapor into the western Himalayas and lead to higher DSP accumulation rate and lower δ 18 O value, and vice versa. However, the ER core site receives more precipi- tation from the ISM due to moisture from the ...
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Semi-Lagrangian transport of oxygen isotopes in polythermal ice sheets: implementation and first results
... of stable wa- ter isotopes in climate archives can help to decipher and re- construct climate change and its regional ...chanical ice sheet model SICOPOLIS (version ...simplified ice sheet ...
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Stable water isotopes in the MITgcm
... We used the MITgcm “checkpoint” 64w, which refers to a specific time and/or point within the development of the MITgcm code since it continuously undergoes updates. It was configured to solve the Boussinesq, hydrostatic ...
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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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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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Surface mass balance and water stable isotopes derived from firn cores on three ice rises, Fimbul Ice Shelf, Antarctica
... that ice rises in- ...water stable isotope values, the poor correspondence between SMB and proxy temperature derived from water stable isotopes sug- gests that large-scale atmospheric ...
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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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Oxygen stable isotopes during the Last Glacial Maximum climate: perspectives from data–model ( LOVECLIM) comparison
... global oxygen iso- topic data sets to assess the model performance and constrain the LGM ...with ice core ...water isotopes with iLOVECLIM are planned in the near future and the relationship between ...
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Modelling stable water isotopes: Status and perspectives
... Since the spearheading studies of Dansgaard and others, SWI have been shown to be a most valu- able tool for paleoclimate studies. They represent a common signal among many different types of climate archives on past ...
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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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A new CF-IRMS system for quantifying stable isotopes of carbon monoxide from ice cores and small air samples
... bubble-free ice and Maurine Montagnat, Laboratoire de Glaciologie et G´eophysique de l’Environnement for providing monocrystalline and polycrystalline bubble-free ...Pole ice core samples were provided by ...
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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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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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Sources of Holocene variability of oxygen isotopes in paleoclimate archives
... water isotopes has been captured in numerous archives and used to infer past climate ...and ice sheet ...in ice cores, ocean sediment cores, and ...and ice sheet changes over North America ...
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Biological production in the Bellingshausen Sea from oxygen-to-argon ratios and oxygen triple isotopes
... the stable water column and may support biological growth after the peak of the growing ...from ice shelves may ex- plain a less stable water ...
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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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