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中国水利学会泥沙专业委员会和中国地理学会地貌专业委员会联合举办的河床演变与河流地貌学术讨论会,于1981年11月16日至20日在湖北省宜昌市召开,来自全国有关高等院校、科研和工程机构的水利工作者和地理工作者计143个单位的196名代表参加了会议。开幕式上,中国科学院学部委员、泥沙专业委员会付主任委员、清华大学钱宁教授致开幕词;中国地理学会理事、中国科学院地理研究所左大康副所长,长江水利水电科
Chinese Academy of Water Conservancy Society of sediment and the Geographic Society of China geomorphology professional committee jointly organized the riverbed evolution and river morphology seminar, November 16, 1981 to 20 in Yichang, Hubei Province, held from the relevant institutions of higher learning, 196 delegates from 143 units of water conservancy workers and geo-workers from scientific research and engineering institutes attended the meeting. At the opening ceremony, academician of the Chinese Academy of Sciences, chairman of the Department of Sediment Paying and Professor Qian Ning of Tsinghua University delivered an opening speech; director of Chinese Geographical Society, deputy director of Zu Dakang Institute of Geography, Chinese Academy of Sciences, Yangtze River Water Resources and Hydropower Branch