| 万全井水位非前兆应变信息的探讨 |
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| 引用本文： | 贾化周,董守玉,万迪堃.万全井水位非前兆应变信息的探讨[J].西北地震学报,1987,9(2):57-62. |
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| 作者姓名： | 贾化周 董守玉 万迪堃 |
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| 作者单位： | 河北省地震局
(贾化周，董守玉)，河北省地震局(万迪堃) |
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| 摘 要： | 本文系统地讨论了万全井近五年来水位由趋势性下降转向趋势性上升的全过程,认为这不是地震前兆信息,而是一种非前兆应变信息。万全井水位持续两年的下降现象,是在特定的水文地质条件和观测条件下,地壳弹性储量消耗引起孔隙水压降低的结果;持续半年多的水位转向是由于万全地震的影响,使充水断层改善了导水性能,从而引起水量、水头的变化;近两年井水由加速上升转向高值平稳的发展过程是在荷泽地震及一些较远的大震的远场效应作用下,使充水断层的导水性能进一步改善的结果。
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| 收稿时间： | 1986/6/26 0:00:00 |
STUDY OF UNPRECUORY STRAIN INFOMATION ON WATER LEVEL OF WANQUAN WELL |
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| Jia Huazhou,Dong Shouyu and Wan Dikun.STUDY OF UNPRECUORY STRAIN INFOMATION ON WATER LEVEL OF WANQUAN WELL[J].Northwestern Seismological Journal,1987,9(2):57-62. |
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| Authors: | Jia Huazhou Dong Shouyu and Wan Dikun |
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| Institution: | Seismological Bureau of Hebei Frovince,Seismological Bureau of Hebei Frovince and Seismological Bureau of Hebei Frovince |
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| Abstract: | This paper systematically discusses the whole process for nearly five years in which the tendency descension of water level of Wanquan well changed into tendency ascension. It has been considered that it is not seismic precursory information, but a reaction of unprecusoray strain information. The water level descension lasted for two years is as a result of decrease of pore water pressure caused by the consumption of elastic reserve under the special hydrogeological and observation conditions; the water level reversion for more than half a year is as a result of that water-filled fault changed the performance of water conduction, thus caused the changes of water quantity and water head; the developing process for nearly two years in which the accelerative ascension of the water level turns stable with high value is a result of further changing the conduction performance of water-filled fault for the sensitive Wanquan well under the reaction of effects of Heze earthquake and some large distant earthquakes. |
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