Articles with "oxygen isotope" as a keyword



Photo by ronaldlangeveld from unsplash

Investigating the Direct Meltwater Effect in Terrestrial Oxygen‐Isotope Paleoclimate Records Using an Isotope‐Enabled Earth System Model

Sign Up to like & get
recommendations!
Published in 2017 at "Geophysical Research Letters"

DOI: 10.1002/2017gl076253

Abstract: Variations in terrestrial oxygen-isotope reconstructions from ice cores and speleothems have been primarily attributed to climatic changes of surface air temperature, precipitation amount, or atmospheric circulation. Here we demonstrate with the fully coupled isotope-enabled Community… read more here.

Keywords: oxygen isotope; isotope; meltwater effect; direct meltwater ... See more keywords
Photo by willshirley from unsplash

The oxygen isotope composition of mammalian enamel carbonate from Morea Estate, South Africa

Sign Up to like & get
recommendations!
Published in 2017 at "Oecologia"

DOI: 10.1007/s004420000498

Abstract: Stable carbon isotope analysis is now an established tool for investigating the diets of fossil taxa, but carbon isotopes provide us with limited information about an animal's ecology. Recent research suggests that mammalian oxygen isotope… read more here.

Keywords: morea estate; oxygen isotope; south africa; isotope ... See more keywords
Photo from wikipedia

Distribution of inositol phosphates in animal feed grains and excreta: distinctions among isomers and phosphate oxygen isotope compositions

Sign Up to like & get
recommendations!
Published in 2018 at "Plant and Soil"

DOI: 10.1007/s11104-018-3723-5

Abstract: Background and AimsPhytate (myo-IP6) is a common form of organic phosphorus in the environment. Little information is available, however, about the distribution of phytate and its degradation products. In this research, we aimed to identify… read more here.

Keywords: distribution inositol; oxygen isotope; inositol phosphates; feed ... See more keywords
Photo from wikipedia

The relationship between climate and the intra-annual oxygen isotope patterns from pine trees: a case study along an elevation gradient on Corsica, France

Sign Up to like & get
recommendations!
Published in 2019 at "Annals of Forest Science"

DOI: 10.1007/s13595-019-0860-9

Abstract: Intra-annual oxygen isotope patterns of tree-ring cellulose fromPinus nigrasubsp.laricioandPinus pinasteralong an elevation gradient can be divided into four distinct patterns ((1) high values in the beginning of the tree ring, declining trend afterwards; (2) low… read more here.

Keywords: annual oxygen; oxygen isotope; tree ring; intra annual ... See more keywords
Photo from wikipedia

Effect of changes in precipitation amounts and moisture sources on inter- and intra-annual stable oxygen isotope ratios (δ18O) of teak trees from northern Thailand

Sign Up to like & get
recommendations!
Published in 2020 at "Agricultural and Forest Meteorology"

DOI: 10.1016/j.agrformet.2019.107820

Abstract: Thailand is situated in a transition zone of overlap between the Indian monsoon (IM) and the western North Pacific (WNP) monsoon. The region serves as an important area to study the influences of different moisture… read more here.

Keywords: moisture sources; oxygen; oxygen isotope; precipitation ... See more keywords
Photo from wikipedia

Evaluation of potential monazite reference materials for oxygen isotope analyses by SIMS and laser assisted fluorination

Sign Up to like & get
recommendations!
Published in 2017 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2016.12.031

Abstract: Abstract Monazite can record several episodes of fluid/rock interaction within a single grain. Coupled in situ determination of age and oxygen isotope composition by SIMS (secondary ion mass spectrometer) may characterize such events. Yet, monazite… read more here.

Keywords: oxygen isotope; reference materials; monazite reference; fluorination ... See more keywords
Photo from wikipedia

Evaluating baddeleyite oxygen isotope analysis by secondary ion mass spectrometry (SIMS)

Sign Up to like & get
recommendations!
Published in 2018 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2018.01.002

Abstract: Abstract Two baddeleyite megacrysts were evaluated as potential reference materials (RMs) for SIMS oxygen isotope analysis, and utilized to understand and calibrate instrumental mass fractionation (IMF). A baddeleyite crystal (S0045) from the Phalaborwa carbonatite, South… read more here.

Keywords: isotope analysis; oxygen isotope; mass spectrometry; isotope ... See more keywords
Photo by julianhochgesang from unsplash

An internally consistent triple oxygen isotope calibration of standards for silicates, carbonates and air relative to VSMOW2 and SLAP2

Sign Up to like & get
recommendations!
Published in 2020 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2019.119432

Abstract: Abstract High precision triple oxygen isotope measurements are becoming a more common analysis in laboratories. There is a lack of calibrated standards to use for triple oxygen isotope measurements and this has led to data… read more here.

Keywords: oxygen isotope; triple oxygen; vsmow2 slap2;
Photo from wikipedia

Triple oxygen isotope fractionation between CaCO3 and H2O in inorganically precipitated calcite and aragonite

Sign Up to like & get
recommendations!
Published in 2020 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2020.119500

Abstract: Abstract Carbonate bearing materials, such as foraminifera, mollusks shells, or speleothems, have the potential to preserve geochemical and isotopic signatures reflecting the environmental conditions at the time they formed. Beyond the conventional δ18O, information from… read more here.

Keywords: caco3; oxygen isotope; fractionation; triple oxygen ... See more keywords
Photo by julianhochgesang from unsplash

Triple oxygen isotopes of cherts through time

Sign Up to like & get
recommendations!
Published in 2020 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2020.119789

Abstract: Abstract It has long been recognized that the stable oxygen isotope 18O/16O ratios of chemical sediments show a systematic decrease with increasing age. This continuous, 3.8 Ga long secular trend has been attributed to 80 °C hot… read more here.

Keywords: 18o 16o; oxygen isotope; triple oxygen;
Photo by a2eorigins from unsplash

Paleotemperature reconstructions using speleothem fluid inclusion analyses from Hungary

Sign Up to like & get
recommendations!
Published in 2021 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2020.120051

Abstract: Abstract The combined use of the stable isotope compositions of speleothem carbonate and inclusion-hosted water presents great potential in paleotemperature reconstructions, due to the various temperature-dependent isotope fractionations detected in cave systems and their environment.… read more here.

Keywords: isotope; water; oxygen isotope; inclusion ... See more keywords