Analiza višegodišnjih rezultata merenja jačine ambijentalnog ekvivalenta doze H*(10) u Požarevcu tokom perioda 2021-2025. godine i relacija sa meteorološkim parametrima

Abstract

U radu su prikazani rezultati višegodišnjeg merenja jačine ambijentalnog ekvivalenta doze H*(10) u Požarevcu u periodu 2021-2025. godine. Merenja su vršena pomoću nezavisne privatne merne stanice opremljenom uređajem za kontinualno merenje jačine doze gama zračenja u životnoj sredini GMC7, kao i automatskom meteorološkom stanicom, što omogućava analizu uticaja vremenskih uslova na varijacije jačine doze. Poseban akcenat stavljen je na pojavu kratkotrajnog povećanja jačine doze usled atmosferskih padavina, kada dolazi do spiranja radona i njegovih potomaka iz vazduha na tlo. Rezultati merenja za period 2023-2024. godine upoređeni su sa rezultatima za period 2021-2022. godine, sa ciljem identifikacije potencijalnih razlika u vrednosti jačine doze. Ovakva privatna merna stanica može predstavljati koristan dopunski izvor podataka u sistemu praćenja radiološke situacije u životnoj sredini.

This paper presents the results of long-term measurements of ambient dose equivalent in Požarevac, obtained using an independent private monitoring station during the period from 2021 to 2025. The station is also equipped with an automatic meteorological system, enabling the analysis of dose rate variations caused by weather conditions. Special emphasis is placed on short-term increases in dose rate caused by atmospheric precipitation, during which radon and its progeny are washed out from the air to the ground. Characteristic cases of increased ambient dose equivalent caused by both natural and artificial sources are presented and analyzed. The results for the period 2023-2025 were compared with data from 2021-2022 in order to identify potential differences in ambient dose equivalent values over time. In addition to temporal trend analysis, the relation between dose measurements and relevant meteorological parameters was also examined. Such a privately operated monitoring station, if properly maintained and supported by adequate infrastructure, can serve as a valuable supplementary data source within the environmental radiological monitoring system.