Sentences with phrase «oxygen isotopes provides»
From the European Association of Geochemistry New isotopic evidence supporting moon formation via Earth collision with planet - sized body A new series of measurements of oxygen isotopes provides increasing evidence that the Moon formed from the collision of the Earth with another large, planet - sized astronomical body, around 4.5 billion years ago.
https://wattsupwiththat.com/ Not exact matches
The composition of these ice cores, especially the presence of hydrogen and oxygen isotopes, provides a picture of the climate at the time.
The team used records of oxygen isotope ratios (which provide a record of ancient water temperature) from microscopic plankton fossils recovered from the Mediterranean Sea, spanning the last 5.3 million years.
Radiocarbon dating of the charcoal samples provided an age for the shells; measurements of oxygen isotopes found in the clam fossils gave sea surface temperatures every 2 to 4 weeks during the clam's life.
The oxygen and carbon isotopes present in the remains provided them with records of temperature and humidity levels during the period.
Although LGM oxygen isotope changes can not be used to independently assess cooling, they provide a useful additional constraint that is difficult to reconcile with a cooling much less than 3 deg.
Although LGM oxygen isotope changes can not be used to independently assess cooling, they provide a useful additional constraint that is difficult to reconcile with a cooling much less than 3 deg.