Farmland soil moisture monitoring and forecasting is of great significance for the rational development and utilization of water resources, giving full play to the benefits of irrigation, realizing the goal of agricultural water saving, and alleviating the contradiction between water demand and resources due to economic development. Therefore, it has attracted the attention of relevant departments and researchers. Because the factors that affect the soil moisture change are more important and different from the understanding, so far, the perfect soil moisture monitoring and prediction methods at home and abroad have no effect. For the moment, soil moisture measurements can generally be effectively analyzed using soil moisture recorders.
Through the analysis of the related data of climate, soil and planting type in Huaibei region, starting from the station network for easy operation and management, 24 administrative stations of township and town water conservancy stations are set up in the district with the approval of the competent department, and 71 stations are set up. Temporary soil moisture observation points were measured using a soil moisture recorder. Taking into account that these 95 direct observation stations still cannot objectively reflect the influence of soil spatial variability and spatial distribution of precipitation inhomogeneity on soil moisture, the Municipal Weather Control Office has provided more than 400 precipitation monitoring services for drought prevention services in the region. Point, as an indirect calculation of soil moisture points. In this way, a provincial water conservancy academy was established as a descriptive information center, 6 municipal defensive offices were divided into sub-centers, and the county-level anti-government offices worked in close cooperation. 24 township and town water conservancy stations were responsible for monitoring soil moisture for public opinion monitoring and forecasting information (network )system. The system was built from the beginning of 2001 to the rest of April 2002. It released six issues of Anhui Province Huaibei District public information 6 to provincial and municipal defense offices. The information content includes early-stage rain effects, real-time and forecasting of lyricism (drought conditions), crop ecology, irrigation methods, and quotas. It plays a good role in guiding people in scientific irrigation and timely drought relief, and is well received by local governments and cadres.
The use of soil moisture recorders to measure soil moisture content integrates the flood forecast and drought indicators. It is currently able to effectively solve single station and regional moisture forecast and irrigation forecast in the public opinion forecast method, and provide scientific basis for the timely formulation of drought resistance and disaster reduction countermeasures. Better way. The use of existing precipitation observation point data to calculate the soil moisture changes in the root development layer not only solves the problem that the traditional public opinion forecasting method cannot continuously calculate the grievance over a long period of time, but also makes up for the direct interassay method. The lack of influence of soil variability and spatial distribution of precipitation on soil moisture was reflected.
Through the analysis of the related data of climate, soil and planting type in Huaibei region, starting from the station network for easy operation and management, 24 administrative stations of township and town water conservancy stations are set up in the district with the approval of the competent department, and 71 stations are set up. Temporary soil moisture observation points were measured using a soil moisture recorder. Taking into account that these 95 direct observation stations still cannot objectively reflect the influence of soil spatial variability and spatial distribution of precipitation inhomogeneity on soil moisture, the Municipal Weather Control Office has provided more than 400 precipitation monitoring services for drought prevention services in the region. Point, as an indirect calculation of soil moisture points. In this way, a provincial water conservancy academy was established as a descriptive information center, 6 municipal defensive offices were divided into sub-centers, and the county-level anti-government offices worked in close cooperation. 24 township and town water conservancy stations were responsible for monitoring soil moisture for public opinion monitoring and forecasting information (network )system. The system was built from the beginning of 2001 to the rest of April 2002. It released six issues of Anhui Province Huaibei District public information 6 to provincial and municipal defense offices. The information content includes early-stage rain effects, real-time and forecasting of lyricism (drought conditions), crop ecology, irrigation methods, and quotas. It plays a good role in guiding people in scientific irrigation and timely drought relief, and is well received by local governments and cadres.
The use of soil moisture recorders to measure soil moisture content integrates the flood forecast and drought indicators. It is currently able to effectively solve single station and regional moisture forecast and irrigation forecast in the public opinion forecast method, and provide scientific basis for the timely formulation of drought resistance and disaster reduction countermeasures. Better way. The use of existing precipitation observation point data to calculate the soil moisture changes in the root development layer not only solves the problem that the traditional public opinion forecasting method cannot continuously calculate the grievance over a long period of time, but also makes up for the direct interassay method. The lack of influence of soil variability and spatial distribution of precipitation on soil moisture was reflected.
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