【摘要】 小汤山地热田已开采20 多年, 热田范围已扩大到44平方公里。根据20 多年来的地球化学监测资料、水文地质及热水开采资料, 用水—岩平衡及其它地球化学方法, 研究热水的水化学变化以及热水的成因、水龄和运动方向等规律更多还原

【Abstract】 Xiaotangshang Geothermal Field has been developed for 20 some years.The range of the geothermal field has been extended to about 44 km 2 of hot spring area.Based on accumulated monitoring data of geochemistry,hydrogeology and water production for 20 years,the water/rock equilibrium computation and other geochemical methods were used research the hydrogeochemical change accompanying with the thermal water production and the cause,date and moment direction of the thermal water in the field.更多还原