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Based on linear poroelastic and hydrogeology theory,a mathematical expression describing the relationship between water level change and aquifer volume strain is put forward.Combined with earth tidal theory,we analyze the response characteristics from well-aquifer water level change to earth tide of volume strain and present a method of volume strain inversion from water level change.Comparing the results of inversion with real observed data,we found that there is a good consistency.This suggests that the method of volume strain inversion from water level change is proper.It will offer a reference for learning about hydrogeology characteristics,volume strain and searching for precursor anomalies.
Based on linear poroelastic and hydrogeology theory, a mathematical expression describing the relationship between water level change and aquifer volume strain is put forward.Combined with earth tidal theory, we analyze the response characteristics from well-aquifer water level change to earth tide of volume strain and present a method of volume strain inversion from water level change. Comparing the results of inversion with real observed data, we found that there is a good consistency. This suggests that the method of volume strain inversion from water level change is proper. I will offer a reference for learning about hydrogeology characteristics, volume strain and searching for precursor anomalies.