A Calculation Method of Crop Irrigation Water Requirement under Future Climate Conditions
A technology for irrigation water demand and calculation methods, applied in calculation, climate sustainability, climate change adaptation, etc., can solve problems that cannot fully reflect the rice irrigation process
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[0024] The technical solution of the present invention will be further described in detail below in conjunction with the drawings and specific embodiments:
[0025] The invention provides a method for calculating crop irrigation water requirements under future climatic conditions, such as figure 1 As shown, the specific method flow is as follows:
[0026] (1) Collect GCM climate model data and historical measured meteorological data from agrometeorological sites; among them, historical measured meteorological data include not less than 30 years of precipitation, temperature, radiation, wind speed, and water pressure daily data; GCM climate model data includes historical data The period data corresponds exactly to the historical measured weather data.
[0027] (2) Based on the cumulative probability distribution of historical measured meteorological data and the cumulative probability distribution of GCM historical period data, the deviation correction processing of future GCM data is...
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