Dynamics in Times of Ionizing Radiation and Rainfalls in Tropical Region of Brazil

Inacio M. Martin, Douglas C. Vilela and Marcelo P. Gomes

Asian Review of Environmental and Earth Sciences, 2017, vol. 4, issue 1, 7-11

Abstract: Low energy gamma rays and rainfalls were monitored each minute in the region around São José dos Campos, (230:10`S, 450:53`W) in Brazil, from March 7th to June 28th in 2017. In this period, it was possible to see the dynamic process that occurs between the presence of ionizing radiation (gamma rays) of low energy and the variation of rain intensity in (mm) / min in the same region. During this period, 12 major peaks of radiation intensity corresponding to 12 rains of high and low intensities were observed. This positive rainfall / radiation correlation is very noticeable in the tropical region of Brazil, which is certainly due to the presence of the decay of 238U uranium into radium 226Ra and arriving at the 222Rn radon with α emission particles and low energy gamma radiation. Therefore, the rain interferes in the presence of the local exhalation of the radon gas, causing the washing of this gas in the low atmosphere, increasing the intensity of radiation measured momentarily in that location. This work shows this dynamic measured in this interval in the year 2017, where there was rainy and dry weather in the place.

Keywords: Gamma Ray; Ionizing radiation; Rainfall analysis; tropical regions (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:aoj:areaes:v:4:y:2017:i:1:p:7-11:id:693

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