Sentences with phrase «isotope data»

Correlating cosmic ray fluxes to surface temperature Next, [Shaviv and Veizer, 2003] correlate a CRF reconstruction with a reconstruction of sea surface temperature based on oxygen isotope data from calcite shells from various low - latitude sites.

Winter temperatures dropped below the long - term average by more than a degree halfway through the 5 - century occupation, according to oxygen isotope data in cores taken from the Greenland Ice Sheet.

«Carbon Isotope Data in Core V19 - 30 Confirm Reduced Carbon Dioxide Concentration in the Ice Age Atmosphere.»

From comfort to connection, there are plenty of reasons adults choose to drink their partner's milk The stable carbon and nitrogen isotope data for the non-adults are presented in Table 2.

This data was determined by a combination of direct observation and counting of inventories, and cross checked by isotope data.

This interpretation was based on water isotope data from central Greenland ice cores.

That, combined with nitrogen isotope data, points to carbonaceous chondrites as the most likely common source of water.

Ice core paleoclimate isotope data are indirect indications of temperature (proxies) over millions of years compared to instrumental temperature measurements with high resolution of hours, days and decades.

The 22 - year period was chosen because the cosmogenic isotope data used for the reconstruction (see below) are available as 22 - year averaged data (Steinhilber et al. 2008).

By looking at the chemistry of rocks deposited during that time period, specifically coupled carbon and sulfur isotope data, a research team led by University of California, Riverside biogeochemists reports that oxygen - free and hydrogen sulfide - rich waters extended across roughly five percent of the global ocean during this major climatic perturbation — far more than the modern ocean's 0.1 percent but much less than previous estimates for this event.

Strontium isotope data from the Danube Gorges in the north - central Balkan show Europe's first farmers were immigrants.

The new Nd, Sr, and Pb isotope data presented here are complementary to the published hornblende data from the same samples, and provide a data set that allows more confident comparison of this record with other published provenance studies.

I am also now collecting C13 isotope data that is out there and those results will be shown in the future.

Isotope Data Suggests Fossil Fuels Not to Blame for Increase Methane bubbles up from swamps and rivers, belches from volcanoes, rises from wildfires, and seeps from the guts of cows and termites (where is it made by microbes).

Boron isotope data Arabian Margin (Neo-Tethyan Ocean) combined with a quantitative modelling suggest that during the latest Permian, increased ocean alkalinity primed the Earth system with a low level of atmospheric CO2 and a high ocean buffering capacity.

In this study, we investigate the pre-whaling genetic diversity, population dynamics and feeding ecology of the eastern Pacific gray whale using ancient and modern DNA sequences and stable isotope data.

That is because the later is constrained by isotope data.

Ice core paleoclimate isotope data are indirect indications of temperature (proxies) over millions of years compared to instrumental temperature measurements with high resolution of hours, days and decades.

The BHMF trend thus obtained is then compared with the most recent reconstructions of the near - Earth HMF strength based on geomagnetic, sunspot number, and cosmogenic isotope data.

Showers and Barrick's interpretations of the isotope data are also controversial.

«Ecologists currently focus too much attention on measuring the variation of isotope data for consumers and their prey and not enough attention on quantifying the interactions of consumers and their prey using isotope data,» Hopkins explained.

That document and other statements by the Agency indicated that the DNA and isotope data would indeed be used, along with other evidence, to make asylum decisions.

Ultimately, carbon isotope data on its own is too ambiguous to decide whether Hadean carbon is evidence of life, says Thomas McCollom at the University of Colorado, Boulder (UCB).

The isotope data was not conclusive enough, and even the sophisticated site preference technique did not provide enough information to tease out the relative roles of different microbes.

This scenario is consistent with altered PETM circulation patterns inferred from benthic carbon isotope data and the intensity of deep - sea carbonate dissolution in the South Atlantic.

The researchers used the measured temperatures from these two sites and the isotope data from the ice core from the overlapping time period (a method called «scaling») to quantitatively reconstruct earlier temperature variations.