浙江两起水温特大异常剖析及其和常熟地震关系的讨论

ANALYSIS OF TWO EVENTS OF BIG ANOMALIES OF WATER TEMPERATURE IN ZHEJIANG AND DISCUSSION OF ITS RELATION TO THE CHANGSHU EARTHQUAKE, JIANGSU

本文对浙江宁波39号井和桐乡3号井的两起水温升高特大异常的变化过程及形成机理进行了系统分析.笔者认为,这两起事件与抽水泄压、活动断裂的构造背景、深部热水源的存在及构造应力的变动这四个因素有关,而后者起主导作用.文章还对研究这类水温异常的意义进行了探讨.

This paper has analyzed systematically two events of water temperature rise with large amplitude observed in No.39 well near Ningbo and No.3 well near Tongxiang, Zhejiang Province and their formation mechanism. It is concluded that the two events are related to pressure drop due to water pumping, tectonic setting for the active fault, existence of thermal water source in the deep, and variations in tectonic stress. However, the changes is more likely caused by the last factor. The significance of this kind anomaly of water temperature is also discussed in this paper.