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137Cs Inventory in South Adriatic (CROSBI ID 593999)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Petrinec, Branko ; Franić, Zdenko 137Cs Inventory in South Adriatic // IRPA13 Abstracts-13th International Congress of the International Radiation Protection Association 13-18 May 2012. Glasgow, 2012. str. 1334-1334

Podaci o odgovornosti

Petrinec, Branko ; Franić, Zdenko

engleski

137Cs Inventory in South Adriatic

In this paper are presented results of investigation of 137Cs activity concentrations and sediments in South Adriatic. Inventory of 137Cs in sediments and sea water is estimated. Sediment samples were collected during radioecological cruise organized by International Atomic Energy Agency in year 2007, while sea water samples were collected on yearly basis as a part of extended monitoring programme of the radioactive contamination of Croatian environment. Measurements were performed in the Radiation Protection Unit of the Institute for Medical Research and Occupational Health. In South Adriatic, i.e. in the area between Palagruža sill in north and straight of Otranto in south, sediment samples were taken on three locations. Correlation between measured radiological and geochemical parameters has been found to be quite significant. Mean value for 137Cs activity concentration in sediments in south Adriatic was calculated to be (3.87 ± 0.66) E+4 Bqm-2. Therefore, total inventory of 137Cs in sea sediments in south Adriatic, which has area of about 60, 000 km2, has been estimated to be 2.32 E+15 Bq. Total inventory of 137Cs in sea water in south Adriatic, which has volume of about 28172 km3, has been estimated to be (8.51 ± 0.24) E+13 Bq. The highest value of 137Cs activity concentration has been found on sampling location in Albania (1.24 E+5 Bqm-2) while, for comparison, 137Cs activity concentration on location Jabuka in middle Adriatic was found to be 5.79 E+4 Bqm-2. It can be argued that sampling locations in Albania and Jabuka are influenced by river runoff, i.e. by the rivers Bojana (Buna) in Albania and Po in Italy. Therefore, caesium sediments in the South Adriatic Pit could be considered to originate by fallout. However, more results from more sampling sites are needed for more reliable estimates.

137Cs; South Adriatic

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Podaci o prilogu

1334-1334.

2012.

objavljeno

Podaci o matičnoj publikaciji

IRPA13 Abstracts-13th International Congress of the International Radiation Protection Association 13-18 May 2012

Glasgow:

Podaci o skupu

13th International Congress of the International Radiation Protection Association 13-18 May 2012: Living with Radiation - Engaging with Society

predavanje

13.05.2012-15.05.2012

Glasgow, Ujedinjeno Kraljevstvo

Povezanost rada

Fizika