This book presents select proceedings of the 8th International Conference on Water Resource and Environment (WRE 2022) which is held in Xi'an, China, November 1-4, 2022. The book covers a wide range of topics, including Hydraulics, Hydrology and Water Resources Engineering, Environmental Engineering and Sustainability, Indoor Environments, Risk Analysis, Safety and Security, Ocean and Offshore Engineering; Ships and Floating Structures, Coastal Engineering. It will be useful for researchers and engineers working in water and environment related fields.