TY - Journal of Yangtze River Scientific Research Institute A1 - QI Huan T1 - Correlation Analysis of Karst Groundwater Level, Precipitation and Yellow River Water Level in Changqing District, Jinan City Y1 - 2023-07-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 27 EP - 31 VL - 40 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20220176 ER -