This dataset contains the water level and flow velocity observation data of point 7 in the encrypted observation of runoff in the middle reaches of the Heihe River from January 1, 2015 to March 11, 2016. At the end of 2014, there was an abnormality with the sensor, which was repaired and debugged normally on March 25th. The observation point is located in Heihe Bridge, Pingchuan Township, Linze County, Zhangye City, Gansu Province. The riverbed is composed of sand and gravel, and the cross-section is unstable. The latitude and longitude of the observation point are N39.331667 °, E 100.099722 °, with an altitude of 1375 meters and a river width of 130 meters. In 2015, SR50 ultrasonic rangefinder was used for water level observation, with a collection frequency of 30 minutes. The data description includes:
| # | number | name | type |
| 1 | 41531174 | Research on key theories and methods in authenticity verification of land surface remote sensing products | National Natural Science Foundation of China |
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