Assessment of dose contribution to population exposure from the radiation sources in the alienated Chernobyl zone
[en]The main dose load of Ukrainian population is caused by radionuclide-contamination of country territories, located outside the alienated zone, following Chernobyl accident. Besides, much attention could be devoted to the contribution of dose load on population, received from the radioactivity sources that were transferred out from the zone after accident. Present research and analysis of the available documents reflecting the transfer of radioactivity from the alienated zone, provided the estimates of dose load on population, resulting from transfer of the radioactivity sources via following channels: (1) direct surface flow; (2) underground waters; (3) wind-powdered route; (4) transfer with hydrobionts; (5) transfer during irrigation; (6) biogenic route; (7) transport routes and (8) route during wood transportation. Dynamics of radiation transfer through each channel was also studied for the post-accident period. Specific gravity of radioactivity transfer is determined in relation to dose load on Ukrainian population in different regions, in particular, in Dnipro river basin. The perspectives of radioactivity transfer via each of studied channels and its role in dose load on population were also analyzed. On the basis of present results the recommendations on possible arrangements are working out that aimed to reduce the dose contribution in population exposure by radioactivity source transfer from the alienated zone via channels that stipulate the largest dose loads and collective doses
Primary SubjectRADIATION PROTECTION AND DOSIMETRY (C5500)
SourceEuropean Commission (CEC), Brussels (Belgium); International Atomic Energy Agency, Vienna (Austria); World Health Organization, Geneva (Switzerland); 699 p; ISSN 1011-4289; ; Sep 1997; p. 478; International conference on one decade after Chernobyl: Summing up the consequences of the accident; Vienna (Austria); 8-12 Apr 1996; Abstract only.
Country/OrganizationInternational Atomic Energy Agency (IAEA)
Descriptors (DEI)CHERNOBYLSK-4 REACTOR, DOSE COMMITMENTS, DOSIMETRY, ENVIRONMENTAL EXPOSURE PATHWAY, GROUND WATER, HUMAN POPULATIONS, IRRIGATION, RADIATION DOSES, UKRAINE
Descriptors (DEC)EASTERN EUROPE, ENRICHED URANIUM REACTORS, EUROPE, GRAPHITE MODERATED REACTORS, HYDROGEN COMPOUNDS, LWGR TYPE REACTORS, OXYGEN COMPOUNDS, POPULATIONS, POWER REACTORS, REACTORS, THERMAL REACTORS, WATER, WATER COOLED REACTORS