关键词: 水文监测, 洪水流量测验, 长江防洪, 2016年洪水

Abstract: In 2016, the regional big flood occurred in middle and lower reaches of Changjiang River. To provide hydrological data for flood forecast, Hydrology Bureau of Changjiang Water Resources Commission utilized the innovative hydrological monitoring and measurement system composed of management system, service system, technological support system and quality assurance system and key technology to carry out flood monitoring measurement and greatly improved the measurement capability and level, with the new mode of "taking tour-monitoring and measurement as a top priority, combination of stationed and tour monitoring and measurement, automatic forecast, emergency measure as supplement". Compared with the previous monitoring, in monitoring and measurement of the 2016 big flood, the flood monitoring and measurement capability, technological level, accuracy and timeliness were systematically improved. The discharge measurement time reduced by 73% to 83%, and the data transmission rate and accuracy rate reached 99.95%, well over the national standard.

Key words: hydrological monitoring and measurement, flood discharge measurement, flood control of Changjiang River；2016 flood