At present, the average station distance of ground meteorological observation stations in China is greater than 50km, and the precipitation scale of less than 50km is basically not observable, which makes it impossible to know the detailed structure of surface precipitation. In order to meet this demand, many self-reported rain gauges were set up in many places to measure rainfall. Through measurement and comparison, the following conclusions are drawn:
In the process of data collection using the rainfall recorder, most of the rain gauges are working properly, and the collected rainfall data are basically reliable. The rain gauge data are basically consistent with the precipitation data measured by the surface weather station. However, some individual rain gauges still have some problems in hardware during data collection. The entire rain collection system still has problems such as clock error and data acquisition failure. The data acquisition software is not very stable, and some functions are not perfect. The existence of these problems is mainly due to the lack of regular overhaul and maintenance of the rain gauges to ensure their normal operation; at the same time, there is no need to improve the data acquisition software. Therefore, as long as the rain gauge is regularly inspected and maintained, improvement of the data acquisition software can ensure the smoothness of the rainfall data collection and the correctness of the collected data. The rain gauge can be better applied to the actual business and scientific research work. in.
After the power is cut off, it is stored in the rain recorder. The data in the self-recording rain gauge host is not lost. At the same time, the computer software has a powerful data processing function. The rainfall recorder and the self-reporting rain gauge can form a graph for the collected data and display it intuitively. The collected data can also be stored as an EXCEL spreadsheet file, allowing users to save and process data, or use specialized software for data processing, drawing bars, pies, and prints. The software is permanently upgraded for free.
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