Not exact matches
The Earth's water must have come from its interior, according to a scientist who has
studied the
ratios of
oxygen isotopes in rocks.
For decades, scientists
studying climate change have measured the
oxygen isotope ratio in tree - ring cellulose to determine the ambient temperature and relative humidity of past climates.
A
study by Thomas, Dennis et al 2009 [8] derived a high resolution temperature proxy record from
oxygen isotope ratios from the ice core.
In this
study, we used
oxygen isotope ratios, which is a commonly used palaeothermometer.