Agricultural irrigation area evapotranspiration and water level prediction method
An agricultural irrigation area evapotranspiration and water level prediction method belongs to the technical field of agricultural prediction. The objective of the invention is to solve the problem of low prediction accuracy of an existing agricultural irrigation area evapotranspiration prediction...
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| creator | ZHANG ZHIHAO LYU MEIXUAN WANG GUOTAO ZHAO XIANGJIANG WU YAOYANG |
| description | An agricultural irrigation area evapotranspiration and water level prediction method belongs to the technical field of agricultural prediction. The objective of the invention is to solve the problem of low prediction accuracy of an existing agricultural irrigation area evapotranspiration prediction and water level prediction method. The method comprises the following steps of: firstly, respectively calculating respective corresponding evapotranspiration ET0 value by using an FAO-56PM equation according to meteorological data based on each meteorological station; and then respectively establishing a local model, a regional model and a generalized model to determine an optimal model for ET0 value prediction, and taking the optimal model as an ET0 prediction model. And then predicting a future ET0 value by using an ET0 prediction model, and predicting future water level data by combining a decomposition result obtained by performing VMD decomposition on the water level data and evapotranspiration meteorological |
| format | Patent |
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The objective of the invention is to solve the problem of low prediction accuracy of an existing agricultural irrigation area evapotranspiration prediction and water level prediction method. The method comprises the following steps of: firstly, respectively calculating respective corresponding evapotranspiration ET0 value by using an FAO-56PM equation according to meteorological data based on each meteorological station; and then respectively establishing a local model, a regional model and a generalized model to determine an optimal model for ET0 value prediction, and taking the optimal model as an ET0 prediction model. 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The objective of the invention is to solve the problem of low prediction accuracy of an existing agricultural irrigation area evapotranspiration prediction and water level prediction method. The method comprises the following steps of: firstly, respectively calculating respective corresponding evapotranspiration ET0 value by using an FAO-56PM equation according to meteorological data based on each meteorological station; and then respectively establishing a local model, a regional model and a generalized model to determine an optimal model for ET0 value prediction, and taking the optimal model as an ET0 prediction model. And then predicting a future ET0 value by using an ET0 prediction model, and predicting future water level data by combining a decomposition result obtained by performing VMD decomposition on the water level data and evapotranspiration meteorological</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR |
| title | Agricultural irrigation area evapotranspiration and water level prediction method |
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