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Yoshida & Miyazaki 1991
Yoshida, N. and Miyazaki, N. (1991). Oxygen isotope correlation of cetacean bone phosphate with environmental water. Journal of Geophysical Research 96: doi: 10.1029/90JC01580. issn: 0148-0227.

The variation with time in the oxygen isotope ratio of the oceans is of prime interest in a variety of research fields. An excellent correlation between oxygen isotope ratios of cetacean (whales, dolphins, and porpoises) bone phosphate and their environmental water is found in this study. Bone phosphate samples of dolphins living in fresh waters are more depleted in oxygen 18 than those of cetaceans living in the oceans, reflecting the clear difference in the isotope composition of water. Cetaceans distributed in the higher latitudes in the oceans are more depleted in oxygen 18 than those distributed in the lower latitudes where seawater is slightly enriched in oxygen 18 relative to that in the higher latitudes. The present results provide a promising tool for estimating the oxygen isotope ratio of the oceanic water of the past without assuming water temperature. ¿ American Geophysical Union 1991

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Keywords
Oceanography, Biological and Chemical, Geochemistry, Oceanography, General, Paleoceanography, Oceanography, Biological and Chemical, Ecosystems and ecology, Oceanography, Biological and Chemical, Higher marine organisms
Journal
Journal of Geophysical Research
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American Geophysical Union
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