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7Be deposition in a high-rainfall area of New Zealand

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Abstract

Concentrations of natural 7Be in air and rainwater were monitored for one year at Hokitika, New Zealand. The mean airborne concentration was 3.1±1.3 mBq m−3, the mean Hokitika, New Zealand. The mean airborne concentration was 3.1±1.3 mBq m−3, the mean concentration in rainwater was 2600±1200 Bq m−3, and the mean total deposition was estimated to be 130±99 Bq m−2 wk−1. Most of the 7Be was wet deposited and the washout ratio was independent of precipitation amount. A significant linear relationship exists between the weekly wet deposition flux and weekly precipitation at this high-rainfall site.

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Authors and Affiliations

  1. New Zealand Meteorological Service, PO Box 722, Wellington, New Zealand

    M. J. Harvey

  2. National Radiation Laboratory, PO Box 25099, Christchurch, New Zealand

    K. M. Matthews

Authors
  1. M. J. Harvey
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  2. K. M. Matthews
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Harvey, M.J., Matthews, K.M. 7Be deposition in a high-rainfall area of New Zealand. J Atmos Chem 8, 299–306 (1989). https://doi.org/10.1007/BF00052708

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  • DOI: https://doi.org/10.1007/BF00052708

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