Sentences with phrase «isotopic fingerprinting»
``... modeling and isotopic fingerprinting of ice - core methane do not support such a release to the atmosphere over the last 100,000 years or in the near future,» the report says.
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«ENSO and IOD bring... shift [s] in the seasonal rainfall distribution,» Ghosh said, «which can be easily captured using isotopic fingerprinting of carbonates in growth bands of Achatina fulica snails.»
Borch's co-authors include Rizlan Bernier - Latmani, a scientist in Switzerland who developed the isotopic fingerprinting techniques to differentiate between uranium formed via microbial or chemical means.
«But we do know through isotopic fingerprinting that the uranium formed via microbial reduction,» Borch said.
«Essentially, we found that these elements have unique isotopic fingerprints, meaning we can use them as diagnostic tools to quantify mountaintop mining's relative contribution to contamination in a watershed,» said Avner Vengosh, professor of geochemistry and water quality at Duke's Nicholas School of the Environment.
«Scientists uncover isotopic fingerprint of nitrous oxide emissions from Arctic tundra.»
Not exact matches
Like a chemical fingerprint, the isotopic ratio between Earth's samples and the carbonaceous chondrites» samples matched.
But planetary bodies that formed in different parts of the solar system generally have different isotopic compositions, so different that the isotopic signatures serve as «fingerprints» for planets and meteorites from the same body.
They measured and analyzed the samples for inorganic contaminants and to identify the unique isotopic signature, or fingerprint, of Bakken region brines.
By comparing this fingerprint to the geochemical and isotopic profiles of 29 background surface water samples collected across the region, the team was able to determine where and to what extent contamination associated with brine spills had occurred, and rule out the possibility that it had been caused by other sources.
The authors also monitored the isotopic 13C composition of CO2, which serves as a fingerprint of emissions from coal - fired power plants and matched it to that of the local coal.
If he wanted to apply his scientific credentials to a scientific matter in climate, he might turn to what the isotopic ratio of carbon (13C / 12C) needs to be in atmospheric CO2 concentration to constitute a fingerprint of human origin.
Consider the facts: the climate system is indicated to have left the natural cycle path; multiple lines of evidence and studies from different fields all point to the human fingerprint on current climate change; the convergence of these evidence lines include ice mass loss, pattern changes, ocean acidification, plant and species migration, isotopic signature of CO2, changes in atmospheric composition, and many others.