[1] Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710054, Peoples R China
[2] Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
[3] CAGS, Inst Karst Geol, Key Lab Karst Dynam, MLR, Guilin 541004, Peoples R China
[4] Calif State Univ Dominguez Hills, Dept Earth Sci, Carson, CA 90747 USA
[5] Univ Innsbruck, Inst Geol, A-6020 Innsbruck, Austria
[6] Nanjing Normal Univ, Coll Geog Sci, Nanjing, Peoples R China
[7] Nanyang Technol Univ, Earth Observ Singapore, Singapore 639798, Singapore
[8] Univ Sao Paulo, Inst Geociencias, BR-05508090 Sao Paulo, Brazil
[9] Inst Carste, Rua Barcelona 240-302, BR-30360260 Belo Horizonte, MG, Brazil
[10] Indian Inst Technol Kharagpur, Dept Geol & Geophys, Kharagpur, W Bengal, India
[11] Indian Inst Technol Bhubaneswar, Sch Earth Ocean & Climate Sci, Argul 752050, India
[12] Govt PG Coll Narnaul, Dept Geol, Mahendragarh 123001, India
[13] Wadia Inst Himalayan Geol, Dehra Dun 248001, Uttarakhand, India
[14] Ohio State Univ, Dept Geog, Columbus, OH 43210 USA
[15] Univ Minnesota, Dept Earth & Environm Sci, Minneapolis, MN 55455 USA