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一、前言 信宜CK_1号孔位于信宜县西江热矿水区,东经110°47.1′,北纬22°19.8′,距县城约15公里。该地年平均气温22.1756.76毫米。区内西江河自西北向东南横贯,CK_1号孔出露于西江河之南侧,地面标高73.2米,孔深500.13米,自流量约7.5升/秒,孔口水温75.8℃,矿化度0.372克/升,属HCO_3—SO_4—Na型裂隙承压热水。该水点1976年8月开始观测水氡和水温监测地震。1981年4月增加观测Ca~(2+)、Cl~-、F~-、SiO_2、PH、总硷度及水电导率等项目。
Foreword Xinyi CK_1 hole is located in Xinyi County Xijiang hot mineral water area, longitude 110 ° 47.1 ’, latitude 22 ° 19.8’, about 15 km from the county seat. The annual average temperature of 22.1756.76 mm. In the area, the Xijiang River traverses from northwest to southeast. CK_1 is exposed to the south of Xijiang River. The elevation of the ground is 73.2 meters, the hole depth is 500.13 meters, the flow rate is about 7.5 liters / second, the water temperature is 75.8 ° C and the salinity is 0.372 G / l, is a HCO_3-SO_4-Na-type fracturing hot water pressure. The water point began to observe water radon and water temperature monitoring earthquakes in August 1976. 1981 April increased observation of Ca ~ (2 +), Cl ~ -, F ~ -, SiO_2, PH, total alkalinity and water conductivity and other projects.