Sensitivities in wet deposition modelling applied to the Fukushima nuclear accident

Stijn Van Leuven, Pieter De Meutter, Johan Camps, Andy Delcloo, Piet Termonia

Research outputpeer-review

Abstract

Atmospheric transport and dispersion modelling can provide crucial information to evaluate the impact of regular or accidental releases of radionuclides. One of the processes that depletes radionuclides from the atmosphere is deposition, which causes ground contamination thereby potentially impacting the food chain. Wet deposition in particular plays an often dominant role in the total deposition of radioactive material following a release of radioactive particulates in the atmosphere. In this work, the sensitivities of wet deposition contributions will be quantified with atmospheric dispersion model FLEXPART. The transport and deposition of Cs -137 as a result of the Fukushima Daiichi Nuclear power plant accident is used as a test case for this sensitivity study. A novel method is developed which extracts the individual scavenging contributions from the FLEXPART simulations and optimises them by comparing to measurements.
Original languageEnglish
Title of host publicationProceedings of the 21st conference on "Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes"
PublisherSpringer
Number of pages5
StatePublished - 30 Sep 2022
Event2022 - 21st International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes - University of Aveiro, Aveiro
Duration: 27 Sep 202230 Sep 2022

Conference

Conference2022 - 21st International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes
Abbreviated titleHARMO21
Country/TerritoryPortugal
CityAveiro
Period2022-09-272022-09-30

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