Lead-210 in Natural Waters.
作者： Rama , M. Koide , E. D. Goldberg
DOI: 10.1126/SCIENCE.134.3472.98
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摘要: The distribution of lead-210 which enters the oceans subsequent to its production in atmosphere by radon-222 decay, shows an increase with depth sea water. By use a simplified two-layer model ocean, residence time lead upper mixed layer less than 2 years is derived. It suggested that marine biosphere responsible for conveyance from surface deeper waters. Colorado River indicated rapid removal along path origin feed waters reservoir at Lake Mead.
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