[Les sources naturelles d'irradiation, leçons pour la gestion des déchets nucléaires]
La dose efficace moyenne au niveau mondial est estimée selon l'UNSCEAR à 2,4 mSv pour les sources d'origine naturelles. Cette valeur moyenne se décompose en 1,3 mSv liés au radon, 0,39 mSv au rayonnement cosmique, 0,46 mSv au rayonnement tellurique, et 0,23 mSv liée à l'irradiation interne à l'exception du radon. Ces valeurs peuvent varier très significativement selon le lieu d'habitation. Malgré cette variation importante aucune étude épidémiologique solide n'a à ce jour montré d'effets sur la santé dans les populations les plus exposées, si ce n'est quelques études concernant le radon, mais où le rôle écrasant du tabac est difficile à préciser.
The average effective dose at the global level is, according to UNSCEAR, estimated to be 2.4 mSv from naturally occurring sources. This average value can be divided as follows: 1.3 mSv associated with radon, 0.39 mSv from cosmic radiation, 0.46 mSv from terrestrial radiation, and 0.23 mSv from internal radiation, radon excluded. These values can vary quite significantly depending on the place of habitation. Despite this large variation, no sound epidemiological study has yet shown the health effects on the most exposed populations, apart from a few studies concerning radon, but in which the predominant role of tobacco is difficult to determine.
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Mot clés : radiation ionisantes, irradiation naturelle, radiotoxicité, effets biologiques
Henri Métivier 1
@article{CRPHYS_2002__3_7-8_1035_0, author = {Henri M\'etivier}, title = {Natural radiation sources, including some lessons for nuclear waste management}, journal = {Comptes Rendus. Physique}, pages = {1035--1048}, publisher = {Elsevier}, volume = {3}, number = {7-8}, year = {2002}, doi = {10.1016/S1631-0705(02)01360-9}, language = {en}, }
Henri Métivier. Natural radiation sources, including some lessons for nuclear waste management. Comptes Rendus. Physique, Volume 3 (2002) no. 7-8, pp. 1035-1048. doi : 10.1016/S1631-0705(02)01360-9. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(02)01360-9/
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