Abstract
Regarding the ice periods of the Yellow River, it is difficult to obtain ice data information. To effectively grasp the ice evolution process in the ice periods of the typical reach of the Yellow River, a fixed-point air-coupled radar remote monitoring device is proposed in this paper. The device is mainly composed of an air-coupled radar ice thickness measurement sensor, radar water level measurement sensor, temperature measurement sensor, high-definition infrared night vision instrument, remote switch control, telemetry communication machine, solar and wind power supply, lightning protection, and slewing arm steel tower. The integrated monitoring device can monitor ice thickness, water level, air temperature, ice surface temperature, and other related parameters in real time. At present, devices have obtained the ice change process of fixed points in ice periods from 2020 to 2021. Through a comparison with manual data, the mean error of the monitoring results of the water level and ice thickness was approximately 1 cm. The device realizes the real-time monitoring of ice thickness and water level change in the whole cycle at the fixed position. Through video monitoring, it can take pictures and videos regularly and realize the connection between the visual river and monitoring data. The research results provide a new model and new technology for hydrological monitoring in the ice periods of the Yellow River, which has broad application prospects.
Highlights
The ice disaster of the Yellow River is one of the important natural disasters in the winter and spring seasons from China
Flow ice appeared in the river, ice gradually increased, and the river was frozen
The minimum environmental temperature was −24.93 ◦ C at 23:00 on 6 January in the 2020–2021 ice period, which is shown in Figure 5b, and the minimum ice temperature was −19.97 ◦ C at 1:00 on 7 January
Summary
The ice disaster of the Yellow River is one of the important natural disasters in the winter and spring seasons from China. The ice disaster of Yellow River nearly occurred 30 years ago from 1855 to 1955. Since 1986, there have been 13 ice flood break levees in the Inner Mongolia section of the Yellow River, which have caused huge economic losses and social impact. River undergoes different degrees of ice disasters in winter and spring every year, which are affected by the special geographical location and climate conditions [1,2,3]. It is urgently necessary to carry out research on field monitoring technology of Yellow River ice
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