1MODFLOW-based analysis on seepage in discrete fissure networksWANG Jinli, CHEN Xi, ZHANG Zhicai, KANG Jianrong, HU Jinshan1-142Experimental study on dissolution characteristics of gypsum intercalations in red layers under still and flowing water conditionsZHONG Zhibin, FENG Jie, LYU Lei, ZHOU Qijian, LI Sijia, XUE Changrui15-233Research on the mechanism and application of crystal deposition in corrugated drainage pipesLYU Jianbing, CHEN Zuru, LI Jia, FENG LI, DONG Qinxi, WANG Hui, ZHANG Guocai24-374Research on groundwater renewal capacity in Jinan spring area based on tritium isotopesMENG Qinghan, XING Liting, PENG Kai, ZHU Wenfeng, LIU Lian, HE Qiang, XU Bing, PAN Weiyan, SONG Qifeng38-475Classification of groundwater systems and system characteristics in the Datang synclinal area of north GuizhouHOU Jiangyong, XIANG Zhao, HU Yu48-566Simulation study of groundwater flow and solute transport processes in karst underground rivers based on GMSXIE Zixuan, JIANG Feng, WANG Ruofan, JIQIN Kebuzi, SHI Zheming, ZHAO Liangjie57-697Study on karst development characteristics and water permeability of a pumped-storage upper reservoir in the Qinling Mountains,Southern ShaanxiDING Yu, GAN Weiqi, FENG Lei, YAN Yingjun, MA Feipeng70-788Study on ecological risk threshold of farmland soil in typical karst regions of Guangxi:A case study of CadmiumHUANG Chunyang, HUANG Juan, ZHONG Xiaoyu, LI Jie, LI Mingyu79-889Research on remote sensing identification of dolines with dense vegetation cover based on point cloud principal component analysis point cloud principal component analysisFU Mingjun, HE Yang, DONG Xiujun, DENG Bo89-9910Analysis and prediction of spatial and temporal variation of carbon storage in limestone area in recent 30 years:A case study of the Hongshui River BasinYAN Hongbo, Zeng Jinzhao, Lu Xianjian, Zhao Fengyang100-112,12311Discussion on the formulas used to calculate the dissolution rate by the rock tablet methodPENG Guozhi, PU Junbing113-12312Dissolution process of carbonate rocks by different types of water in atmospheric environment and δ13C evolution of dissolved inorganic carbonZHAO Guangshuai, ZHU Yinian, XIE Yincai, SHEN Lina, WU Huaying, LI Tengfang, HUANG Qibo124-135,14613Numerical simulation of bearing mechanism of steel casing group in complex karst areaGUO Hui, MOU Yunzhen, ZHANG Wengang, CHEN Fei, ZHANG Yanmei, WANG Shuo, LIN Sicheng136-14614Numerical simulation of deformation in the development strata of karst caves for slab foundations and the control of safe distanceHUANG Yunlong, GAO Bin, ZHOU Hang, YU Zhe, HE Wen147-15815Distribution law and formation mechanism of karst collapses in karst plains of Mashan county,GuangxiYAO Kezhui, HUANG Jiyou, XU Mo, WEN Zhenxing, LU Danmei, QIN Chang, KANG Xiaobing159-169,19816Research on the characteristics and value of geological relics in the Enshi Grand Canyon-Tenglongdong Cave Global GeoparkLI Ting, LI Jiangfeng170-18517Strategies for the sustainable tourism development of Guanyan cave based on SWOT-AHP analysisDENG Yadong, LUO Weiqun, CHEN Weihai, MENG Qingxin, TU Chun, ZHANG Tanfeng, LUO Shuwen, PAN Tianwang, SHEN Lina186-19818Research on the standardized system of protecting and utilizing karst cave tourism resourcesLUO Shuwen, LUO Shiqin, WU Kehua, YANG Tao, DENG Yadong, LIU Yuxuan, MAO Yongqin, ZHANG Hongzhi199-212 