Budget of 90Sr in the Gulf of Gdańsk (southern Baltic Sea)

• Autorzy: Saniewski M. , Zalewska T.

Identyfikatory

DOI

10.1016/j.oceano.2017.11.002

• Języki publikacji: EN

Abstrakty

EN

In the period from 2005 to 2011 the major source of ⁹⁰Sr to the Gulf of Gdańsk was the Vistula river. Its contribution was 99.7% of the total load. The main processes responsible for the decrease in ⁹⁰Sr activity in the Gulf of Gdańsk were: radioactive decay (87%) and sediment deposition (13%). Average increase in the activity of ⁹⁰Sr in the Gulf of Gdańsk during the study period was 5.0% (114 GBq), which was almost 2 times higher than the loss of ⁹⁰Sr due to radioactive decay. In the years 1997-2015, the effective half-life of ¹³⁷Cs was 9.1 years and that of ⁹⁰Sr was 50.3 years. Assuming a further decrease in ¹³⁷Cs and maintaining ⁹⁰Sr concentrations at present level, it is expected that ⁹⁰Sr will become the major anthropogenic isotope having impact on the level of radioactivity in the Gulf of Gdańsk.

Słowa kluczowe

EN

90Sr; budget; Gulf of Gdańsk

• Wydawca: Polish Academy of Sciences, Institute of Oceanology ; Elsevier
• Czasopismo: Oceanologia
• Rocznik: 2018
• Tom: No. 60 (3)
• Strony: 256--263
• Opis fizyczny: Bibliogr. 32 poz., mapy, tab., wykr.

Twórcy

autor

Saniewski M.

• Institute of Meteorology and Water Management, National Research Institute, Gdynia, Poland

autor

Zalewska T.

• Institute of Meteorology and Water Management, National Research Institute, Gdynia, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).