Sentences with phrase «hydrogen isotope ratios»
«Holocene records of carbon and hydrogen isotope ratios of organic matter in annually laminated sediments of Lake Korttajarvi, central Finland.»
https://climateaudit.org/
PEER - REVIEW STUDY ScienceDirect.com — Reconstructing tropical cyclone frequency using hydrogen isotope ratios of sedimentary n - alkanes in northern Queensland, Australia
Hydrogen isotope ratios and sodium levels in ground water spiked in the months before the temblors
Hallis previously used hydrogen isotope ratios in volcanic basalt rocks to conclude that Earth's water may in fact have been part of the very dust cloud from which the planet first condensed.
So Hallis and her colleagues went looking for vestiges of the early Earth that might preserve the original hydrogen isotope ratio of the planet.
Not exact matches
As precipitation moves inland, water with the heavier form of hydrogen falls out first, which creates predictable patterns of the stable isotopes ratios of precipitation across continents.
Next, Agee and his colleagues used a laser to extract water molecules trapped within minerals in the meteorite and fed them into a mass spectrometer to calculate the ratio of deuterium, a heavy isotope of hydrogen, to ordinary hydrogen.
To understand the origin of Earth's water, scientists have fingerprinted potential sources, like asteroids and comets, using the ratio of light to heavy hydrogen isotopes.
The team based its analysis on ratios of oxygen and hydrogen isotopes in ice cores drilled in East Antarctica.
Recent measurements of the ratio of two isotopes of hydrogen suggest Enceladus's composition is strangely comet - like.