Tiansong Qi is a Postdoctoral Research Associate at South Dakota State University (SDSU), USA. He received his Ph.D. from North Dakota State University, USA, in 2025 and his Bachelor's degree from Hohai University, China, in 2016. His research focuses on hydrology and water resources, with particular interests in watershed hydrologic modeling, drainage water management, wetland hydrology, managed aquifer recharge, and karst hydrology.