TY - JOUR A1 - Jiang, C. A1 - Jia, X. A1 - Kong, X. A1 - Ou, M. A1 - Lee, H. F. T1 - Changes in paleo-underground water levels revealed by water wells and their relationship with climate variations in imperial China JO - Clim. Past Discuss. J1 - CPD VL - 2021 SP - 1 EP - 14 Y1 - 2021/12/01 PB - Copernicus Publications SN - 1814-9359 UR - https://cp.copernicus.org/preprints/cp-2021-159/ L1 - https://cp.copernicus.org/preprints/cp-2021-159/cp-2021-159.pdf DO - 10.5194/cp-2021-159 ER -