摘要
为了保证我国氡填图方法研究中关键参数土壤氡浓度测量结果的准确性和可靠性,笔者所在的实验室作为首次参加氡国际比对的中国组织,参加了2010年在捷克举行的3个氡参考点Cetyně、Bohostice和Buk现场测量国际比对。经T-学生分布检验,当显著性水平α=1%时,本实验室在氡参考点上45个测点的实测土壤氡浓度值cA与全部比对测量参加者的CA(2000年以来该参考点全部组织的平均值)数据有很好的一致性;3个参考点的平均氡浓度与自2000年以来在这些氡参考点进行试验的所有成功组织(N=180)提交数据形成的数据库中的数据高度一致,总相对误差小于6%。该成果表明本实验室的土壤氡测量技术已达国际相应水平。通过本次氡国际比对,发现了我国土壤氡测量中仪器校准、土壤气体采样技术等方面存在的问题,建议系统开展土壤氡测量方法及其技术规范等研究。
In order to ensure the accuracy and reliability of the key parameters of soil radon measurement results of radon mapping methods,our laboratory has the first time as China＇s organization to participate Radon Intercomparison Measurements,held at three radon reference sites of Cetyně,Bohostice and Buk in the Czech Republic in 2010.For the level of significance α=1%,testing results（orientation tests based on the comparison with the group） show that our measurements of cA（radon activity concentration） are in good agreement with that of the group of organizations participating in the comparison measurement.The decisive test based on the comparison with the databases of radon reference sites reveals that our resultant means of radon data are in accord with those of all successful organizations（N=180） which measured at radon reference sites since the year 2000.The results indicate that our soil radon measurement techniques have reached the international first-class level.After the radon international comparison,we found some important problems in soil radon measurement in China,such as instrument calibration,soil gas sampling technology.We proposed that the method for soil radon investigation should be improved and its technical specification should be carried out.
出处
《现代地质》
CAS
CSCD
北大核心
2012年第6期1294-1299,共6页
Geoscience
基金
国家自然科学基金项目(40174096
40274043)
关键词
氡国际比对
T-学生分布检验
校准
土壤
Radon Intercomparison Measurements
T-argument of student distribution
calibration
soil
作者简介
作者简介：王南萍，女，教授，博士生导师，1957年出生，地球物理学专业，主要从事核辐射与环境等相关领域的研究。Email：npwang@cugb．edu．cn。
