Early warning method and device for over-quota water consumption of agricultural irrigation in plain river network rice irrigation area

• Main Authors: HU RONGXIANG, HUANG WANYONG, XIAO MENGHUA, ZHANG YADONG, ZHENG SHIZONG
• Format: Patent
• Language: Chinese; English
• Published: 11.11.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

The invention discloses an early warning method and device for over-quota water consumption of agricultural irrigation in a plain river network rice irrigation district, and the method comprises the steps: taking the monthly accumulated rainfall of an irrigation period as a statistical object, and analyzing a monthly rainfall value of the irrigation period of the irrigation district and a conversion parameter of the monthly rainfall value; distributing monthly water consumption indexes of the irrigation area according to the total agricultural irrigation water consumption index of the pump station irrigation area, the annual average crop water demand and total water demand in months corresponding to the rice growth period, and the annual average effective rainfall and total effective rainfall in months corresponding to the rice growth period; different early warning methods are adopted for different time periods in the growth cycle of the rice, specifically, from the irrigation period to before the heading an