1Exploration of superficial soil-rock structure for karst area based on frequency domain electromagnetic methodCHENG Ping, CHENG Qinbo, CHEN Xi, LIU Jintao, ZHANG Zhicai, GAO Man675-6832Application of self-potential and high-density resistivity method to the water exploration in karst terrain of middle-lower reaches of Xijiang RiverCHEN Yixiang, HUANG Qibo, QIN Xiaoqun, HAN Kai, XIAO Qiong, MIAO Ying, DU Chengliang, HE Dehuang684-6973Study on the microstructure and variation law of carbonate rock dissolution based on scanning electron microscopy and CT imaging technologyDENG Yulin, GUO Xulei, LUO Mingming, CHEN Xiangyong, KUANG Ye, ZHOU Hong698-7074Response characteristics of forward modeling of 3D high-density resistivity method on different devices in the fault-water-filled caveYang Yanfang, Ju Hejian, Gan Fuping, Cheng Yang, Wang Yong708-7175Karst hydrogeological problems and countermeasures of a proposed railway in plateau slope area of southeast YunnanZHANG Hua, KANG Xiaobo, WANG Bo, CHAI Jinlong, ZHOU Cuiqiong, CAI Shuangle, HOU Xutao, HUANG Chenhui, PAN Xiaodong718-7276Study on karst leakage caused by the combination of fault structure and interlayer corrosion zone of a hydropower station in southwest ChinaFENG Zhigang, WEI Guojian, ZHANG Hanmeng, XU Guo728-7357Feasibility study on dam and reservoir construction in the catchment area of complex karst water system:Taking Pucha Reservoir of Beipan River as an exampleHU Daru, ZHENG Kexun, ZHAO Daiyao, CHEN Zhanheng736-7458Study on"three-section and four-layer"reinforcement technology of tunnel vault subsidence in the karst basementQIN Jianwen, LI Haibo, PAN Guangming, TIAN Yueming746-7589Karst development characteristics and distribution law in Huaihua basin,Hunan ProvinceWU Yuanbin, LIU Zhikui, YIN Renchao, YANG Jianxing, LUO Weiquan, LEI Mingtang, DAI Jianling, PAN Zongyuan759-772,80710Impact of controlling karst rocky desertification on soil particulate organic carbon and aggregate-associated organic carbonLAN Jiacheng, WANG Junxian, WANG Shasha, QI Xue, LONG Qixia773-78311Spatial variation of soil acidification in the karst area of northern Guangdong:A case in peak cluster depression and karst trough valley landformsWU Yuheng, ZENG Faming, WEI Xinghu, LIU Shujuan, HUANG Jinguo784-79512Simulation of buffering process and carbon sink effect of lime soil on sulfuric acid rainZHAO Guangshuai, HUANG Qibo, ZHU Yinian, LI Tengfang, PU Zhenggong796-80713Research progress of paleokarst oil and gas reservoirsZHANG Yu, ZHAO Lun, LI Changhai, ZHANG Xiangzhong808-82414Study on the delimitation of affected zone of geological environment for karst underground engineering:taking Longgang district,Shenzhen City as an exampleWU Shengtang, JIANG Xiaozhen, MA Xiao, TANG Zhen825-83715Carbon and oxygen isotope characteristics and paleoenvironmental significance of deep karst fracture-cave fillings in Huanjiang sag,GuangxiDONG Hongqi, ZHANG Qingyu, LIANG Jiapeng, DAN Yong, LIANG Bin, NIE Guoquan, JI Shaocong838-846,837 