Hydrochemical and Isotopic Characteristics of the Hongtangsi Hot Spring in
详细信息
- 责任者：Zhang Xue (School of Water Resources and Environment ; China University of Geosciences ; Beijing 100083 ; China) ; Zhou Xun
- 刊名：Hydrogeology and Engineering Geology
- 出版年：2010
- 卷期：37(5)
- 关键词：地下热水 ; geothermal water ; 温泉 ; hot springs ; 水化学 ; hydrochemistry ; 同位素分析 ; isotopic analysis ; 河北 ; Hebei Province
- 页码：p.123-127
- 图表：5 illus., 5 tables, 12 refs.
- 分类号：1005
- issnNo：ISSN1000-3665
- isbnNo：CN11-2202/P
摘要
The Hongtangsi hot spring in Fengning County of Hebei Province occurs in feldspar granite of the fourth epoch of the Yanshan Period.It is the discharge vent of thermal groundwater which receives recharge from precipitation and is heated when undergoing deep circulation.The hot water has TDS of less than 400 mg / L with major cations of Na +,and anions of SO24-and HCO 3-.The hot spring is of SO4·HCO3 -Na type and has high concentrations of F- ,H2SiO3 and Rn of 17.5 mg /L,75.7 mg /L and 131.1 Bq /L,respectively.Isotopic compositions of the hot water indicate that the Hongtangsi hot spring is of meteoric origin and the residence time estimated with 3H method is greater than 22 years.The temperature of the geothermal reservoir estimated with geothermometers ranges from 79℃ to 109℃.The discharge of the flowing well tapping the hot water increases to 11.6 L /s.