Pregled bibliografske jedinice broj: 536097
UKUPNA BETA AKTIVNOST FRAKCIJE PM2.5 LEBDEĆIH ČESTICA U ATMOSFERI ZAGREBA
UKUPNA BETA AKTIVNOST FRAKCIJE PM2.5 LEBDEĆIH ČESTICA U ATMOSFERI ZAGREBA // Zbornik radova VIII. simpozija Hrvatskog društva za zaštitu od zračenja / Krajcar Bronić, Ines ; Kopjar, Nevenka ; Milić, Mirta ; Branica Gina (ur.).
Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2011. str. 196-202 (poster, domaća recenzija, cjeloviti rad (in extenso), ostalo)
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Naslov
UKUPNA BETA AKTIVNOST FRAKCIJE PM2.5 LEBDEĆIH ČESTICA U ATMOSFERI ZAGREBA
(TOTAL BETA ACTIVITY IN PM2.5 PARTICLE FRACTION IN ZAGREB ATMOSPHERE)
Autori
Šega, Krešimir ; Bešlić, Ivan ; Marović, Gordana ; Franić, Zdenko ; Senčar, Jasminka
Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), ostalo
Izvornik
Zbornik radova VIII. simpozija Hrvatskog društva za zaštitu od zračenja
/ Krajcar Bronić, Ines ; Kopjar, Nevenka ; Milić, Mirta ; Branica Gina - Zagreb : Hrvatsko društvo za zaštitu od zračenja, 2011, 196-202
ISBN
978-953-96133-7-0
Skup
VIII. simpozij Hrvatskog društva za zaštitu od zračenja
Mjesto i datum
Krk, Hrvatska, 13.04.2011. - 15.04.2011
Vrsta sudjelovanja
Poster
Vrsta recenzije
Domaća recenzija
Ključne riječi
zrak; ukupna beta aktivnost; frakcija lebdećih čestica PM2.5
(air; total beta activity; PM2.5 particle fraction)
Sažetak
Total beta activity of PM2.5 particle fraction at three sampling sites located at northern, southern and western parts of Zagreb urban area, was investigated. Samples were collected on daily basis during 2005-2007 period and their mass concentrations determined according to HRN EN 14907. Total beta activities of sample aliquots were measured by means of beta counter for low-level activities (GM multi-counter system RISØ) five days after sampling in order to avoid the influence of short half-life radionucleides. Counter calibration was performed by 40K standard. The highest levels of total PM2.5 beta activity [µBq m-3] were measured at north, lower at the south, and the lowest at the sampling site situated at the western part of the town. Although the measurements were performed during three year period only, there is an obvious indication of possible negative trend of activities. Specific total beta activities [Bq g-1] were at the same level for measuring sites located at southern and western parts of Zagreb, while those measured at north of the town were significantly higher. No indication of trend was found at any of sampling sites.
Izvorni jezik
Engleski
Znanstvena područja
Fizika, Javno zdravstvo i zdravstvena zaštita
POVEZANOST RADA
Projekti:
022-0222882-2271 - Vremensko-prostorna razdioba i porijeklo lebdećih čestica u urbanim sredinama (Šega, Krešimir, MZOS ) ( CroRIS)
022-0222882-2335 - RADIOAKTIVNOST OKOLIŠA I ZAŠTITA OD ZRAČENJA (Marović, Gordana, MZOS ) ( CroRIS)
022-0222882-2823 - Radioekologija Jadranskoga mora i priobalja (Franić, Zdenko, MZOS ) ( CroRIS)
Ustanove:
Institut za medicinska istraživanja i medicinu rada, Zagreb
