1Research on recharge paths and recharge ratios near the four major spring groups in JinanLI Changsuo, GAO Shuai, YIN Yanwei, PANG Wei, SUN Bin, LIU Haoran, CHEN Huanliang, GANG Shenting, XING Liting, GENG Fuqiang875-8862Study on the intensity of boreal karstification under different geological conditions:A case study at the recharge area of Baotu Spring drainage area,Jinan,Northern ChinaLIU Wen, XU Congcong, YU Lingqin, LI Haixiang, LU Qianqian, ZHU Qinfeng, LIU Haoran887-8973Analysis of dynamic characteristics and driving factors of Jinan spring water on a long-time scaleSUN Bin, LI Changsuo, XU Qingyu, GAO Shuai, LIU Chunwei, XING Liting, YU Lingqin898-906,9164Study on the influence of external recharge of Yufu river on karst groundwaterDING Guantao, LI Changsuo, WEI Shanming, WANG Shaojuan, LI Yan, LU Qianqian, SUN Bin, Liu Haoran907-9165Study on the hydraulic connection between downtown and eastern and western suburbs in JinanYU Lingqin, LIN Guangqi, LIU Yuanyuan, QI Huan, MENG Qingzhai, MA Hekuan, JIANG Lulu, LIU Chunwei917-930,9556Research on the response mechanism of groundwater level to rainfall in the western suburb of Jinan based on wavelet analysisZHAO Zhenhua, LUO Zhenjiang, HUANG Linxian, XING Liting, LI Hongtao, SUN Hongjie931-9397Dynamic characteristics of groundwater level and exploitable amount of groundwater source in Jiuxian county,Tai'anWEI Kai, WANG Yanling, ZHAO Zhiwei, WU Yanan, ZHAI Daiting, YAN Baizhong940-9558Study on the zoning of karst development in the Jiaodong Peninsula:Take the Zhongqiao area of Yantai City as an exampleYANG Ning, SHI Meng, YIN Tao, YU Linhong, WANG Yuanfeng, ZHANG Jie, FENG Peipei956-9689Comparative analysis of the genesis models of different geothermal reservoirs in Chengning uplift area in northwest Shandong based on hydrochemical isotope technologyCUI Rui, WANG Xuepeng, FENG Bo, LIU Xiyao, FENG Shoutao, LIU Shuai969-981,99410Characterization of seawater intrusion based on multivariate statistical analysis and water chemistry characteristics:A case study of Laoshan district,Qingdao CityGANG Shenting, LYU Minghui, LU Qianqian, GAO Shuai, ZHAO Zhiqiang, CHEN Huanliang, PENG Tongqiang, WANG Xi, XING Liting, LI Lixia982-99411Study on the influencing factors of spring water in Jinan City based on wavelet transform methodLIU Chunwei, QI Huan, LIN Guangqi, LIU Haoran, PANG Wei, YU Lingqin, MA Hekuan995-100412Hydrogeochemical characteristics and formation mechanism of the karst thermal reservoir at the northern edge of the Luzhong UpliftJIANG Lulu, SUI Haibo, KANG Fengxin, LI Changsuo, WEI Shanming, YU Lingqin, LI Yue1005-1026,103613Hydrochemical characteristics and delimitation of sensitive protection area in the exposed area of Baimai spring group in ZhangqiuLIU Yuxiang, LU Qianqian, LIU Yuanyuan, WANG Shaojuan, DING Guantao, HAN Yu1027-103614A study on the groundwater recharge range of Baotu Spring based on wavelet analysisQI Huan, DONG Mengyu1037-104615Groundwater hydrochemical characteristics and evolution of the karst water system in the Feicheng fault block in Shandong ProvinceZHANG Wenqiang, TENG Yue, TANG Fei, WANG Jinxiao, XU Qingyu, ZHANG Hailin1047-1060,108416Hydrogeochemical evolution characteristics of Baotu Spring in Jinan City,based on long-term monitoringLIU Haoran, ZHANG Wenqiang, LIU Wen, MA Xueying, GUAN Qin, ZHANG Hailin1061-107317Source-tracing of sulfate in groundwater of Xizhang Well Group in the Liuzheng water source area of Zibo CityLIU Zhizheng, LI Shuang, LIU Baihan, ZHANG Xuesong, LIU Huafeng, PENG Junfeng, LIU Yunde1074-108418Study on the early warning model based on the occurrence index of karst collapse in Linyi CityZOU Lianqing, CHU Fujian, WANG Zhentao, YAO Chunmei, CHEN Yanan, LIAN Bo, WEI Zhongai, MENG Yonghui1085-109719Response of soil microbial biomass carbon and nitrogen to vegetation succession in different soil depths of karst fault basinYAN Jiahui, QIU Jiangmei, LI Qiang1098-110520Stoichiometric characteristics of C,N and P in soil and litter of shrublands in karst areas of GuangxiYUE Xiangfei, LI Yanqing, LIU Peng1106-1116 