1Simulation experiment for weathering of culture relic on carbonate rock palisades in Longmen grottoesZHANG Ao, FANG Yun, XU Min, CHEN Jian-ping, FAN Zi-long227-2332Simulation experiment for the dissolution of carbonate rocks of the Yingshan formation on the northern slope of Tazhong upliftSHE Min, ZHU Yin, SHEN An-jiang, ZHENG Xing-ping, HE Xun-yun234-2393Analysis on impact factors of karst development in Dao County iron and manganese mining area of HunanCHEN Liang-jing, YAO Teng-fei, ZHOU Xin240-2474Grayscale and climatic instructions of modern stalagmite from artificial tunnel inside the Fairy Hill in HubeiYANG Xun-lin, YUAN Dao-xian, ZHANG Yue-ming, HUANG Fan, SUN Yu-chuan, YANG Yan248-2525Indications of the hydrogen and oxygen isotopes in precipitation for climate change in Huanglong, SichuanWANG Hai-jing, ZHANG Jin-liu, LIU Zai-hua253-2586Cyclic utilization of sludge and flyash to improve the soil quality in karst rocky desertCHEN Jin-wu, SUN Yi-ming, ZHANG Xian-qiang, WANG Feng-ying, SUN Ji-wei, ZHANG Hong, SUN Min259-264,2957Effects of different land-uses on the features of water-stable aggregates in karst and clasolite areas in Maocun, GuilinYANG Hui, ZHANG Lian-kai, YU Shi, CAO Jiao-hua265-2718Laboratory experiment on water-rock interaction of the karst fracture water after recharged with roof rainwaterZHU Zhong-zhu, WANG Wei-ping, JIANG Ying-kui, ZHOU Ya-qun272-2789Hydrochemistry and variation of δ13CDIC of the Qingmuguan underground river in ChongqingQIU Shu-lan, JIANG Yong-jun, ZHANG Xing-bo, CAO Min, HU Yi-jun, LIAO Wen-e279-28810Analysis on the chemical characteristics of the atmospheric precipitation in GuilinZHANG Hong-bo, YU Shi, HE Shi-yi, LIU Qi, LI You-ling289-29511Study on the risk assessment on karst collapse in linear engineeringDAI Jian-ling, LEI Ming-tang, JIANG Xiao-zhen296-30212Analysis on features and values of karst landscape in Leye-Fengshan Global GeoparkDENG Ya-dong, CHEN Wei-hai, ZHANG Yuan-hai, HUANG Bao-jian, LUO Shu-wen303-30913The landscape characteristics and development idea of Fuxi Cave in Youyang, ChongqingSUN Cheng-guo, DENG Ya-dong, YANG Hong-yong, CHU Bing, XIONG Wei, LI Jun-feng, LI Jiang-bo310-31514Research progress of monitoring for dripping water environment in karst cavesPENG Ling-li, LI Ting-yong316-32615Preliminary study on technical specification system of karst cave surveySHI Wen-qiang, LUO Shu-wen, DENG Ya-dong327-33216Uncertainty evaluation on the measurement of “carbon” in the research on karst carbon sink effect:A case for dissolved inorganic carbonYU Jian-guo, DU Wen-yue, WANG Hua, ZHOU Xiao-hong333-33817Discussion on article “Calculation of atmospheric CO2 sink formed in karst processes of karst-divided regions in China”ZHANG Zhi-gan339-344 