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Article | REF: BN3907 V1

Radionuclides Transfers in Air, Soils and Watercourses

Author: Philippe Renaud

Publication date: January 10, 2020, Review date: April 26, 2021

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2. Deposition of atmospheric aerosols and radioactive gases

2.1 Dry deposit

In dry weather, four main phenomena govern the deposition of radioactive aerosols contained in the air near the ground onto anything on its surface: Brownian diffusion, interception, impaction and sedimentation . The effect resulting from these phenomena, which are briefly described below, is represented by a deposition velocity V d , expressed in m.s –1 ...

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Deposition of atmospheric aerosols and radioactive gases
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