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http://dx.doi.org/10.9720/kseg.2020.3.379

Characteristics of Long-term Water Quality Trend of Dongrae Hot Spring  

Jeon, Hang-Tak (Department of Geological Sciences, Busan National University)
Hamm, Se-Yeong (Department of Geological Sciences, Busan National University)
Lee, Cholwoo (Korea Institute of Geoscience and Mineral Resources)
Lee, Jong-Tae (Korea Central Hot Spring Institute)
Lee, Jeong Rak (Hana Engineering Co., Ltd.)
Publication Information
The Journal of Engineering Geology / v.30, no.3, 2020 , pp. 379-397 More about this Journal
Abstract
In this study, Long-term change of water quality in Donrae Hot Spring was characterized using water quality data from 1922 to 2019. According to Mann-Kendall analysis and Sen's slope using long-term water quality data of Dongnae Hot Spring from 1922 to 2019, temperature, Ca, SiO2, and HCO3 show an increasing trend whereas EC, Na, K, Mg, Cl, and SO4 show a decreasing trend or negligible trend. In addition, the water type of Dongnae Hot Spring stably belongs to Na-Cl type over time. The spatial distributions of water temperature and chemical constituents in 2004, 2009, 2014, and 2019 show variable patterns with showing some difference depending on sampling locations in different years. These results indicate that despite the long-term pumping of the hot spring water, the water quality is quite stable during the entire study period.
Keywords
water quality; Dongrae Hot Spring; Na-Cl type; long-term trend; spatial distribution;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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