Seasonal variation of atmospheric radioactivity at Ibadan

Monitoring of external background radiation level in Asa dam industrial area of Ilorin, Kwara State, Nigeria

“…Apart from these naturally occurring radiation in the atmosphere and terrestrial sources, it has been reported and proven that human activities such as those due to the quest for technological advancement and comfort application, have gradually led to the increase of background ionizing radiation and even in some cases, much above recommended tolerable level (Patel, 1988). Sanni (1973) reported an increase in the background radiation of the Southern parts of Nigeria due to north-easterly wind that moves dust particles from the Sahara region to the coastal parts of Nigeria. Folland et.…”