摘要
利用高气压电离室连续测量我国东部某地环境γ辐射剂量率,同时监测降水参数。研究发现:降水引起剂量率升高,最大升幅达38.1%,降水总量最大的夏季升幅最大;剂量率升幅大雨>中雨>小雨;降水强度越大,降水开始后剂量率升高越快,剂量率最大值出现点比降水强度最大值出现点晚约1h。同一降水强度条件下,剂量率升高幅度,冬季>春季>秋季>夏季,降雪>降雨。
Utilized HPIC the environmental γ dose rates at east of China are measured, the parameter of precipi- tation rate are monitored at the same time. The study shows that the precipitation enhanced the dose rate, and the maximum increase reached 38.1%, summer was the season which had the maximum precipitation amount and enhanced dose rate. The enhanced extent of dose rate was heavy rain 〉 moderate rain 〉 light rain; The dose rate enhanced faster as the precipitation rate become lager, the maximum of dose rate appeared 1 hour later after that of the precipitation rate. The enhanced extent of dose rate at the same precipitation rate was winter 〉 spring 〉 autumn 〉 summer, and snowfall 〉 rainfall.
出处
《核电子学与探测技术》
北大核心
2017年第1期4-7,共4页
Nuclear Electronics & Detection Technology
关键词
Γ辐射剂量率
降水
电离室
γradiation dose rate
precipitation
ionization chamber
