【摘要】 通过对天津双桥井水位多年来的观测资料分析认为：（1）水位动态主要是受区域地下水开采的影响；（2）水位异常形态一律为上升型或突升型，不存在下降型；（3）异常时段只有短临异常，不存在长中期异常；（4）水位地震异常映震的震级与发震区地震活动的衰减或起伏有关，并非只反映中强以上的地震。更多还原

【Abstract】 By analyzing observational data of Shuangqiao well in Tianjin for many years,the results obtained are as follows: (1 )the regime of groundwater level is mainly influenced by the extraction of regional groundwater. (2)The anomalous forms of groundwater level are entirely ascending type or abrupt rise tape, without descending type. (3)There exist short -- term anomalies of groundwater level in the time range of anomaly,without the long--term and medium --term anomalies. (4)The earthquake -- response magnitude of precursory anopsalies of groundwater level is related to the attenuation or nuctuation of the seismic activities in seismogenic region.Subjectivewords: well water level;anomalous characteristies;anomaly of groundwater;seismicity更多还原