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Pregled bibliografske jedinice broj: 474418

Radiocarbon and tritium activity in the environment of the National Park Plitvice Lakes


Horvatinčić, Nada; Barešić, Jadranka; Krajcar Bronić, Ines; Obelić, Bogomil
Radiocarbon and tritium activity in the environment of the National Park Plitvice Lakes // Abstracts. Third European IRPA Congress: Radiation protection - science, safety and security
Helsinki, Finska: IRPA, 2010. str. 255-255 (poster, nije recenziran, sažetak, znanstveni)


CROSBI ID: 474418 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Radiocarbon and tritium activity in the environment of the National Park Plitvice Lakes

Autori
Horvatinčić, Nada ; Barešić, Jadranka ; Krajcar Bronić, Ines ; Obelić, Bogomil

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

Izvornik
Abstracts. Third European IRPA Congress: Radiation protection - science, safety and security / - Helsinki, Finska : IRPA, 2010, 255-255

ISBN
978-952-478-549-5

Skup
Third European IRPA Congress: Radiation protection - science, safety and security

Mjesto i datum
Helsinki, Finska, 14-18.06.2010

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
3H; 14C; Plitvice Lakes; environment

Sažetak
The disturbance of natural distribution of tritium (3H) and radiocarbon (14C) caused by thermonuclear weapon tests in the sixties of the last century made these isotopes very important tracers in environment. Their concentration can be also locally affected by fossil fuel combustion (decrease of 14C) or by various nuclear facilities (increase of 14C and 3H). In our comprehensive study of the environment in the Plitvice Lakes National Park we measured 14C in monthly samples of atmospheric CO2 and 3H in monthly precipitation in period 2003-2006. 14C activity was also measured in the beech leaves and needles of spruce and abies collected as 1-year composite samples in the woods of the Plitvice Lakes area in 2005 and 2006. 14C activity of monthly CO2 samples vary between 101.5 and 109.6 percent of modern carbon (pMC) with slightly lower 14C activities in winter months due to the influence of CO2 from fossil fuel combustion. The values are similar to those measured in the city of Zagreb, which is a densely populated industrial center. The 14C activities of tree leaves and needles are slightly higher than mean yearly atmospheric 14C activities: the highest values have needles of abies (111 pMC, 110 pMC) and spruce (110 pMC, 109 pMC), followed by beech leaves (106 pMC, 105 pMC) and atmospheric CO2 (104 pMC, 105 pMC). Higher 14C activities of coniferous wood indicate that the collected needles represent an average of several years period while the 14C of leaves of deciduous wood represent the mean 14C from the growing period (spring-summer). 3H activities of monthly precipitation showed seasonal fluctuations with maximum in summer (13-18 TU) and minimum in winter (0-5 TU), and are in good correlation with 3H in the Zagreb precipitation. In conclusion, 14C and 3H in the atmosphere of the Plitvice Lakes area reflect the global trend of these isotopes in the atmosphere, and are at the same level as in highly populated area of Zagreb.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Geologija, Kemija



POVEZANOST RADA


Projekti:
098-0982709-2741 - Prirodni radioizotopi u istraživanju krških ekosustava i datiranju (Horvatinčić, Nada, MZOS ) ( POIROT)

Ustanove:
Institut "Ruđer Bošković", Zagreb


Citiraj ovu publikaciju:

Horvatinčić, Nada; Barešić, Jadranka; Krajcar Bronić, Ines; Obelić, Bogomil
Radiocarbon and tritium activity in the environment of the National Park Plitvice Lakes // Abstracts. Third European IRPA Congress: Radiation protection - science, safety and security
Helsinki, Finska: IRPA, 2010. str. 255-255 (poster, nije recenziran, sažetak, znanstveni)
Horvatinčić, N., Barešić, J., Krajcar Bronić, I. & Obelić, B. (2010) Radiocarbon and tritium activity in the environment of the National Park Plitvice Lakes. U: Abstracts. Third European IRPA Congress: Radiation protection - science, safety and security.
@article{article, year = {2010}, pages = {255-255}, keywords = {3H, 14C, Plitvice Lakes, environment}, isbn = {978-952-478-549-5}, title = {Radiocarbon and tritium activity in the environment of the National Park Plitvice Lakes}, keyword = {3H, 14C, Plitvice Lakes, environment}, publisher = {IRPA}, publisherplace = {Helsinki, Finska} }
@article{article, year = {2010}, pages = {255-255}, keywords = {3H, 14C, Plitvice Lakes, environment}, isbn = {978-952-478-549-5}, title = {Radiocarbon and tritium activity in the environment of the National Park Plitvice Lakes}, keyword = {3H, 14C, Plitvice Lakes, environment}, publisher = {IRPA}, publisherplace = {Helsinki, Finska} }




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