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Prof. Manfred Spreafico

Chairman, International Sediment Initiative – IHP – UNESCO (ISI)


Institute of Geography

University of Berne


Prof. Des. Walling

ISI Advisory Group

Past President of World Association for Sedimentation and Erosion Research (WASER)

Emeritus Professor

Department of Geography, University of Exeter


Prof. Baoyuan LIU

Prof. Dr. Baoyuan Liu, School of Geography, Beijing Normal University. His research fields include soil erosion process and modeling, soil erosion monitoring, and on-site and off-site soil erosion risk assessment. So far, he has published more than 100 research papers with a h index of 38, and all the publications have been cited nearly 6000 times. Dr. Liu received his Doctoral degree in Soil Science from the Institute of Soil and Water Conservation, Chinese Academy of Sciences in 1990, and visited the National Soil Erosion Research Lab in Purdue University as a post-Doc during 1993-1996. He was appointed as the Director of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau in 2016, Northwest A&F University, Chinese Academy of Sciences. Since 2018, Dr. Liu has served as an Associate Editor of CATENA. Dr. Liu’s major academic contributions and awards include: (1) Developed the Chinese Soil Loss Equation (CSLE) by parameterizing the gradient factor of steep slopes and other soil conservation factors. The CSLE has proved to be more accurate and practical for use in China than the Universal Soil Loss Equation (USLE). (2) Organized the National Soil Erosion Survey during 2010-2012 and applied the CSLE to produce the first water erosion intensity map of China. (3) Developed standard protocols for soil loss measurement at plot and watershed scale, for which he awarded the status of National Outstanding Researcher. (4) Calibrated and validated the runoff parameters in WEPP for which he received an award from the US Department of Agriculture.

Prof. Guanglei DUAN

Professor and Director, Jingjiang Bureau of Hydrology and Water Resources Survey, Bureau of Hydrology, Changjiang Water Resources Commission. Ph.D. in Hydraulics and River Dynamics. He is a member of the World Association for Sedimentation and Erosion Research (WASER) and the Chinese Society of Surveying and Mapping. He has won one Second Prize for Science and Technology Progress awarded by the Ministry of Education, two First Prizes for Science and Technology Progress awarded by the Changjiang Water Resources Commission, one First Prize for Outstanding Surveying and Mapping Project awarded by Hubei Province, one First Prize for Science and Technology Progress awarded by the Water Conservancy and Hydropower Authority of Hunan Province, and has been recognized as an Advanced Individual in Sediment Research for the Three Gorges Project. He has published more than 40 papers in international or domestic journal and symposium proceedings and one monograph, he has participated in editing three monographs, and one water conservancy code and he has obtained two national invention patents and three utility model patents. He has 30 years of experience working on sediment transport measurement and monitoring.

Mr. Dibing XU

Senior Engineer, Deputy Director-General and Chief Engineer, Jingjiang Bureau of Hydrology and Water Resources Survey, Bureau of Hydrology, Changjiang Water Resources Commission. Chief Expert of Bureau of Hydrology. He is mainly engaged in hydrology and water resources monitoring, hydrology and sediment basic research, hydrologic emergency monitoring, and automation and informatization of hydrologic measurement and monitoring. He has participated in the planning and implementation of hydrological and sediment observation schemes for both domestic and foreign   engineering projects, as the person chiefly in charge. He has participated in writing technical standards such as the Specification for hydrological tour gauging, and Supplementary technical provisions for hydrometry, etc. He has been working on sediment transport measurement and monitoring for nearly 30 years and is a specialist in online monitoring of suspended sediment in rivers.

Dr. Mengzhen XU

Dr. Mengzhen Xu is currently the Director of the River Research Institute, Tsinghua University. She holds a Doctoral degree in Hydraulic Engineering (Tsinghua University) awarded in 2012. After two years as a scientific researcher in the Norwegian Water Resources and Energy Directorate, Oslo, Norway, working on the impact of climate change on sediment transport in rivers, she was appointed as an Assistant Professor in the Department of Hydraulic Engineering, Tsinghua University. She was promoted as Associate Professor in 2017 and at the same time was nominated as the Director of the River research Institute. She has served is an Executive Committee Member in the International Association for Hydro-Environment Engineering and Research China (Mainland) Chapter (IAHR China) since 2017, and as a Board Member of the IAHR Committees on River, Coastal, and Estuarine Morphodynamics (RCEM), and Ecohydraulics since 2018. Her research projects cover a wide range of topics in eco-hydraulics, eco-sedimentation, and geomorphology, such as landscape evolution and natural hazards, channel stability and morphology, stream ecology, fish migration and cavefish conversation, the interaction between river dynamics and aquatic ecosystems, hydraulic engineering and mussel invasion and its control etc. Field observation and model development have been very important components of her research, with considerable experimental flume work used to complement field data. She has published more than 70 peer-reviewed papers in international journals and conference proceedings, and Chinese journals, and co-authored two English monographs and two Chinese monographs.

Dr. Zhiwei LI

Associate Professor, School of Water Resources and Hydropower Engineering, Wuhan University, China. He received his Ph.D. in River Mechanics from Tsinghua University, China, in 2014. His current interests focus on fluvial morphodynamics and the ecogeomorphology of meandering and braided rivers on the Qinghai-Tibet Plateau, fluvial processes in the middle and lower Yangtze River, and wetland ecohydrology and riverine carbon dynamics in the Zoige Basin. He has twelve-years of field experience during the period 2010-2021 working on the Qinghai-Tibet Plateau, in areas such as the Source Regions of the Yellow, Yangtze, Lancang, Nujiang, Yarlung Tsangpo, Indus, and Tarim Rivers.

Prof. Helmut Habersack

ISI Expert Group

Vice President of World Association for Sedimentation and Erosion Research (WASER)

Head of Christian Doppler Laboratory for Advanced Methods in River Monitoring, Modelling and Engineering

Head of IWHW -Institute of Water Management, Hydrology and Hydraulic Engineering

WAU - Department of Water, Atmosphere and Environment

BOKU - University of Natural Resources and Life Sciences, Vienna, Austria

Dr. Yaxian HU

Yaxian HU received her Doctoral degree in 2014 from University of Basel, Switzerland. Since 2016, Dr. Hu has worked as a Research Associate in the Institute of Soil and Water Conservation, Northwest A&F University from 2016. Her research interests include soil erosion processes and carbon cycling, with a special focus on the slope-scale sediment behavior in-transit from eroding to depositional site, and the thus induced perturbs to carbon biogeochemical cycling.