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在地震予报中,短临予报是极为重要的。在这方面人们已从许多途径去寻找予报的指标。其中氡含量在临震前的突变就是人们寄于很大希望的指标之一。因为它突变的异常形态易被人们觉察。目前国内外对震前的氡气异常已积累了不少宝贵的震例,但是对其异常特点的讨论还较少,且对异常形成的原因还有争论。本文试图在总结国内外氡气突变事实的基础上,对异常的形态特征、时空分布特点和判别方法等方面进行一些讨论,並对突变异常形成的原因和高氡水来源提出一些新的看法。
In the earthquake to report, the short notice is extremely important. There are many ways in which people have been looking for indicators to be reported. The sudden change of radon content before the earthquake is one of the most promising indicators. Because of its mutation of the abnormal morphology easily perceived by people. At present, a great deal of valuable earthquakes have been accumulated in the anomalies of radon before the earthquake at home and abroad, but there are still few discussions on its anomalous characteristics and there are still controversies about the causes of anomalies. Based on the summarization of the radon abrupt changes at home and abroad, this paper attempts to discuss some of the abnormal morphological features, spatial and temporal distribution characteristics and discriminating methods, and puts forward some new opinions on the causes of abnormity anomalies and the sources of high radon water.