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Parameter Tree: EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > ISOTOPES > RADIOISOTOPES Definition: Any radioactive form of a chemical element, having the same atomic weight as that element (i.e. same number of protons), but a different number of neutrons. Used in a variety of oceanic applications such as dating and movement of water masses. Reference: Adapted from: Webster's College Dictionary. 1991. Random House. |
