Drought monitoring methods and their indicators

The monitoring methods of drought and flood as well as their classification indicators As the global warming, environmental degradation and water shortages, the drought problem is also increasingly serious, and drought-induced losses are also increasing. China is a country where droughts and floods occur frequently. Each year, the food losses caused by drought are as high as 10 billion kg. Today, the drought has become a major factor limiting grain production. Therefore, multi-parameter soil measuring instruments are used in the planting areas to monitor the flood season. It is particularly important. Using it to analyze and understand the situation of public opinion in real time has great practical value for the prevention of public opinion.
Soil moisture content is a relatively mature indicator used in agricultural drought. This detection technology is still widely used today. It uses a fixed-point public opinion monitoring system to monitor the graze of grain-growing areas. The drought conditions are based on different humidity levels. The division can be divided into heavy drought, light drought, normal and partial paralysis. The following table lists the criteria and parameters: Through the use of wireless public opinion and drought management system for real-time monitoring of the public opinion monitoring area, through the use of appropriate data analysis software to analyze the results of public opinion monitoring, in order to understand the process of changing the public opinion, long-term monitoring of public opinion, through In previous years, the public opinion analysis could easily understand the trend of public opinion, and make corresponding measures to reduce losses earlier.

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