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Article

Role of Atmospheric Temperature and Seismic Activity in Spring Water Hydrogeochemistry in Urumqi, China

China Earthquake Networks Center, Beijing 100045, China
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Author to whom correspondence should be addressed.
Academic Editors: Jian Hu and Guilin Han
Int. J. Environ. Res. Public Health 2022, 19(19), 12004; https://doi.org/10.3390/ijerph191912004
Received: 23 August 2022 / Revised: 19 September 2022 / Accepted: 20 September 2022 / Published: 22 September 2022
Springs offer insight into the sources and mechanisms of groundwater recharge and can be used to characterize fluid migration during earthquakes. However, few reports provide sufficient annual hydrochemical and isotopic data to compare the variation characteristics and mechanisms with both atmospheric temperature and seismic effects. In this study, we used continuous δ2H, δ18O, and major ion data from four springs over 1 year to understand the groundwater origin, recharge sources, circulation characteristics, and coupling relationships with atmospheric temperature and earthquakes. We found that (1) atmospheric temperatures above and below 0 °C can cause significant changes in ion concentrations and water circulation depth, resulting in the mixing of fresh and old water in the aquifer, but it cannot cause changes in δ2H and δ18O. (2) Earthquakes of magnitude ≥ 4.8 within a 66 km epicentral distance can alter fault zone characteristics (e.g., permeability) and aggravate water–rock reactions, resulting in significant changes in δ2H, δ18O, and hydrochemical ion concentrations. (3) Hydrogen and oxygen isotopes are the most sensitive precursory seismic indicators. The results of this study offer a reference for the establishment of long-term hydrochemical and isotopic monitoring, with the potential for use in earthquake forecasting. View Full-Text
Keywords: hydrogen and oxygen isotopes; hydrogeochemical; water cycle; earthquakes; springs hydrogen and oxygen isotopes; hydrogeochemical; water cycle; earthquakes; springs
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MDPI and ACS Style

Zhou, Z.; Zhong, J. Role of Atmospheric Temperature and Seismic Activity in Spring Water Hydrogeochemistry in Urumqi, China. Int. J. Environ. Res. Public Health 2022, 19, 12004. https://doi.org/10.3390/ijerph191912004

AMA Style

Zhou Z, Zhong J. Role of Atmospheric Temperature and Seismic Activity in Spring Water Hydrogeochemistry in Urumqi, China. International Journal of Environmental Research and Public Health. 2022; 19(19):12004. https://doi.org/10.3390/ijerph191912004

Chicago/Turabian Style

Zhou, Zhihua, and Jun Zhong. 2022. "Role of Atmospheric Temperature and Seismic Activity in Spring Water Hydrogeochemistry in Urumqi, China" International Journal of Environmental Research and Public Health 19, no. 19: 12004. https://doi.org/10.3390/ijerph191912004

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