Invited by China Institute of Water Resources and Electric Power Research(IWHR), Dr. Chih Ted Yang, Vice President of World Association for Sedimentation and Erosion Research (WASER), Prof., endowed Borland Professor of Water Resources, Director of Hydroscience and Training Centre, Colorado State University, USA (E-mail: ctyang@engr.colostate.edu)paid a visit to IRTCES on Oct.18 2005 and delivered a presentation on his research for scientists and engineers from Department of Sediment Engineering, IWHR and IRTCES.