The fluctuation of hydrograph in deep wells records the fluid pulsation in the lithosphere and variation of the Earth's crust. Many observations have verified that groundwater is an ideal information carrier of the crust.In this paper, the series of input
孙葆仁 刘淑芸.1993.深部含水系统水文过程线谱特征及其传递函数[J].地质学报,67(2). Chen Baoren, Jin Peikang,.1993. SPECTRUM CHARACTERISTCS AND TRANSFER FUNCTION OF HYDROGRAPH OF DEEP AQUEOUS SYSTEM[J]. Acta Geologica Sinica,67(2).
