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机构地区:[1]重庆大学土木工程学院,重庆400045 [2]成都理工大学环境与土木工程学院,四川成都610059
出 处:《地球与环境》2006年第1期49-54,共6页Earth and Environment
基 金:重庆市自然科学基金研究项目(102075120040022)
摘 要:重庆地下热水资源丰富,但对其径流特征缺乏研究,盲目开采致使许多温泉泉流量减小、水温降低,甚至断流、枯竭。为指导地下热水的科学开采,文章对重庆地下热水的常规化学组分及同位素组分特征进行了研究,分析了地下热水补给、径流条件,指出大气降水为其补给源,补给区在重庆以北大巴山及华莹山背斜华莹山和铜锣峡背斜北端的岩溶露头区,嘉陵江组(T1j)为其储水层,地下热水主要沿背斜T1j地层由北往南流,同一背斜地下热水由北到南为一个统一的热水系统。Owing to the lack of systematic research on the geothermal water runoff, no information about the formation, circulation and alternation of geothermal water and random exploitation of geothermal water caused the flux and temperature of many hot springs to decrease, even to be exhausted. In order to exploit the geothermal water scientifically, the replenishment and runoff conditions of geothermal water were analyzed, based on the characteristics of normal chemical constituents and H-O, ^14C isotope composition of geothermal water. It is shown that the geothermal water comes primarily from precipitation through the recharge area on the outcrop of the karst areas in the Daba Mountain in the north of Chongqing, the Huayin Mountain in the north of the Huayin Mountain anticline, and in the north of the Tongluoxia anticline. The Jialingjiang Formation (T1j) is an aquifer; geothermal waters flow from north to south in the Jialingjiang Formation (T1j) of anticlines. The geothermal waters in the same anticline constitute a whole geothermal water system.
关 键 词:地下热水 径流 化学组分 氢氧同位素 氚同位素 ^14C同位素 补给高程
分 类 号:P641[天文地球—地质矿产勘探]
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