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An ISI Advisory Group Meeting was held at the Ziyu Hotel in Beijing on November 6, 2018. The meeting reviewed past ISI activities and achievements, received information on recent developments associated with IHP-UNESCO and the ISI Technical Secretariat, and discussed future programme, activities and priorities. Future cooperation with the International Centre for Water Resources and Global Change (ICWRGC, Koblenz, Germany), as well as collaboration with the International Hydropower Association (IHA) in co-convening a Sediment Session in the 2019 IHA Congress were discussed. In addition to the members of the ISI Advisory Group, Prof. Manfred Spreafico, Prof. Des Walling, Dr. Anil Mishra and Prof. Cheng Liu, the meeting was attended by two members of the ISI Expert Group, Prof. Zhaoyin Wang and Dr. Thomas Oliver Hoffmann, and by Mr. Stephan Dietrich from ICWRGC and Ms. Maria Ubierna Aparicio from IHA who participated as observers.