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Fallout and radiation doses in Norway after the Chernobyl accident
AbstractDue to southeasterly wind and rainfall during the critical days after the Chernobyl accident, Norway received a substantial part of the cesium isotopes released. The radioactive fallout closely followed the rainfall and was mainly concentrated to some thinly populated areas in the central parts of the country. The total fallout of the cesium isotopes was approximately 2300 TBq (137Cs) and 1200 TBq (137Cs). The average for the country was 11 kBq/m2 with a variation from 1.5 to 40 kBq/m2 for the 19 different counties of the country. The fallout resulted in contamination of food products from some areas, mainly meat from reindeer and sheep, as well as “wild” freshwater fish. A small fraction of the food production in 1986 was not sold due to the regulations enforced. The average radiation dose to Norwegians during the first year after the accident was approximately 0.3 mSv (0.1 mSv from external radiation and about 0.2 mSv from the foodstuffs). This first year extra dose is approximately 5% of the average normal background dose in Norway (estimated to about 6 mSv/year, including medical and industrial use of radiation sources).
Fallout and radiation doses in Norway after the Chernobyl accident
AbstractDue to southeasterly wind and rainfall during the critical days after the Chernobyl accident, Norway received a substantial part of the cesium isotopes released. The radioactive fallout closely followed the rainfall and was mainly concentrated to some thinly populated areas in the central parts of the country. The total fallout of the cesium isotopes was approximately 2300 TBq (137Cs) and 1200 TBq (137Cs). The average for the country was 11 kBq/m2 with a variation from 1.5 to 40 kBq/m2 for the 19 different counties of the country. The fallout resulted in contamination of food products from some areas, mainly meat from reindeer and sheep, as well as “wild” freshwater fish. A small fraction of the food production in 1986 was not sold due to the regulations enforced. The average radiation dose to Norwegians during the first year after the accident was approximately 0.3 mSv (0.1 mSv from external radiation and about 0.2 mSv from the foodstuffs). This first year extra dose is approximately 5% of the average normal background dose in Norway (estimated to about 6 mSv/year, including medical and industrial use of radiation sources).
Fallout and radiation doses in Norway after the Chernobyl accident
Henriksen, Thormod (author) / Saxebøl, Gunnar (author)
Environmental International ; 14 ; 157-163
1988-05-10
7 pages
Article (Journal)
Electronic Resource
English
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