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Radioactivity of Fission Products in Cistern Waters Along the Croatian Coast of the Adriatic Sea


Franić, Zdenko; Marović, Gordana
Radioactivity of Fission Products in Cistern Waters Along the Croatian Coast of the Adriatic Sea // The Second Regional Mediterranean Congress on Radiation Protection, Program and Extended Abstracts / nepoznat (ur.).
Tel-Aviv: The Israel Health Physics Society, 1997. str. 157-160 (predavanje, nije recenziran, sažetak, znanstveni)


Naslov
Radioactivity of Fission Products in Cistern Waters Along the Croatian Coast of the Adriatic Sea

Autori
Franić, Zdenko ; Marović, Gordana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
The Second Regional Mediterranean Congress on Radiation Protection, Program and Extended Abstracts / Nepoznat - Tel-Aviv : The Israel Health Physics Society, 1997, 157-160

Skup
The Second Regional Mediterranean Congress on Radiation Protection

Mjesto i datum
Izrael, 16-20.11.1997

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Nije recenziran

Ključne riječi
Fission products; cistern waters; doses; Adriatic sea

Sažetak
Measurements of radioactive contamination of water samples from cisterns collecting rainwater from roofs etc. with fission products have been carried out along the Croatian coast of the Adriatic Sea since 1968. An exponential decline of radioactivity followed the nuclear moratorium. After the nuclear accident at Chornobyl, higher levels of 137Cs and 90Sr were detected again, cistern waters being the only environmental samples in Croatia in which elevated 90Sr activities persisted for several years. For the pre-Chornobyl period, the mean residence time of 90Sr in cistern waters being order of magnitude several years was similar to that calculated for fallout. Contrary, for the post-Chornobyl time, 90Sr mean residence time was calculated to be considerably shorter, reflecting the tropospheric mean residence time. Therefore, the pre-Chornobyl and the post-Chornobyl mean residence times of 90Sr in cistern waters reflect the mechanism by which strontium was released to the atmosphere. The annual dose for the critical adult population received from 90Sr, 134Cs and 137Cs by drinking cistern water was estimated to be a few per cent of the dose from natural background radiation.

Izvorni jezik
Engleski

Znanstvena područja
Javno zdravstvo i zdravstvena zaštita



POVEZANOST RADA


Projekt / tema
00220204

Ustanove
Institut za medicinska istraživanja i medicinu rada, Zagreb