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Cesium 137 to Strontium 90 Ratios in the Atlantic Ocean 1966 Through 1972

Bowen, Vaughan T. ; Noshkin, Victor E. ; Volchok, H. L. ; Livingston, H. D. ; Wong, K. M.

Limnology and oceanography, 1974-01, Vol.19 (4), p.670-681 [Periódico revisado por pares]

American Society of Limnology and Oceanography

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  • Título:
    Cesium 137 to Strontium 90 Ratios in the Atlantic Ocean 1966 Through 1972
  • Autor: Bowen, Vaughan T. ; Noshkin, Victor E. ; Volchok, H. L. ; Livingston, H. D. ; Wong, K. M.
  • Assuntos: Nearshore water ; Nuclides ; Oceans ; Quality assurance ; Ratio analysis ; Salinity ; Sea water ; Sediments ; Surface water ; Water samples
  • É parte de: Limnology and oceanography, 1974-01, Vol.19 (4), p.670-681
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Ratios of137Csto90Srare summarized from analyses of a large number of seawater samples collected in and about the Atlantic Ocean from 1966 to 1972 at various depths. Analytical comparison by the participating laboratories are presented. In open-ocean surface samples the mean ratio is 1.43, and in subsurface samples containing no less than 5 dpm137Csper 100 liters the mean is 1.44; in subsurface samples containing less than 5 dpm137Csper 100 liters, the mean is 1.64. No trend in this ratio with time can be seen, nor can any systematic difference be seen between North Atlantic, South Atlantic, or Mediterranean samples. Agreement of the various open-ocean ratios with that predicted in fallout, 1.45, is excellent. In nearshore samples from several different areas however the mean ratio is 1.07. Material balance and other considerations seem to preclude simple selective loss of137Csto the sediments. A number of other processes are available, nearshore, for reducing the137Cs:90Srratio, but it is not now possible to evaluate their relative importance, nor to explain why their action should result in about the same ratio in so many different nearshore environments.
  • Editor: American Society of Limnology and Oceanography
  • Idioma: Inglês
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