The Scientific World Journal

The Scientific World Journal / 2002 / Article
Special Issue

Isotopes as Tracers in Marine Environmental Studies: Collected Papers from 2001: An Ocean Odyssey

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Short Review | Open Access

Volume 2 |Article ID 560624 | 15 pages |

Accelerator Mass Spectrometry at Arizona: Geochronology of the Climatic Record and Connections with the Ocean

Received14 Mar 2002
Revised30 Mar 2002
Accepted18 Apr 2002


There are many diverse uses of accelerator mass spectrometry (AMS). 14C studies at our laboratory include much research related to paleoclimate, with 14C as a tracer of past changes in environmental conditions as observed in corals, marine sediments, and many terrestrial records. Terrestrial records can also show the influence of oceanic oscillations, whether they are short term, such as ENSO (El Niño/Southern Oscillation), or on the millennial time scale. In tracer applications, we have developed the use of 129I as well as 14C as tracers for nuclear pollution studies around radioactive waste dump sites, in collaboration with IAEA. We discuss some applications carried out in Tucson, AZ, for several of these fields and hope to give some idea of the breadth of these studies.

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