APPLICATION OF STABLE OXYGEN AND HYDROGEN ISOTOPES TO THE VERIFICATION OF GROUNDWATER ANOMALIES |
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| Authors: | ZHANG Lei LIU Yao-wei REN Hong-wei GUO Li-shuang |
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| Affiliation: | Key Laboratory of Crustal Dynamics, Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China |
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| Abstract: | Identifying the source of the observed fluid anomalies is a major tast in verifying the anomalies in seismic subsurface fluid research. The stable hydrogen and oxygen isotopes are proved to be effective to trace the underground fluid origin and its development. In this study, we summarized the basic principles, water sampling and testing techniques in recognizing the fluid anomalies by using the stable hydrogen and oxygen isotopes. We also enumerated the related applications in analyzing the sudden water level increase and the rapid shifting from limpid water to murky. The stable hydrogen and oxygen isotopes analysis can be used to verify the macroscopic underground fluid anomalies, such as subsurface water temperature, water level and chemical component changes, and the wide use of this method in seismic subsurface fluid research will be helpful to identify the tectonic or non-tectonic related influencing factors to the fluid anomalies. |
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| Keywords: | stable oxygen and hydrogen isotopes the groundwater anomaly anomaly verification water-rock interaction mixing of groundwater |
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