Sentences with phrase «isotopic data showing»
The team presents new isotopic data showing that a burst of oxygen production by photosynthetic cyanobacteria temporarily increased oxygen concentrations in Earth's atmosphere.
https://www.sciencedaily.com/ Not exact matches
Conservative tracer studies using stable oxygen isotopic data from 307 sites show that while the entire surface of this area receives abundant freshwater from meteoric sources, freshwater from sea ice melt is most closely linked to the areas of carbonate mineral undersaturation.
These proxy climate data extend Pollen analysis of a deep - sea core off the Ivory Coast continental margin (at about 4 ° N, 4 ° W) shows thirteen pollen zones, correlated with isotopic δ 18
Since the system is linear (we are assuming — I'm open to empirical data showing it is not, but I currently don't know of any), the above decay time will be measured for each isotopic species individually and independently from the others.