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1、華北水利水電大學(xué)碩士學(xué)位論文II萬(wàn)方數(shù)據(jù)ABSTRACTBASEDONREAL-TIMEIRRIGATIONFORECASTOFWATERRESOURCESOPTIMALALLOCATIONINIRRIGATIONAREAABSTRACTThetraditionaloptimalallocationofwaterresources,whichisonthepremiseofforecastingalongseriesofwaterprocesstodetermineitstypicalyearandbasedonpre-determinedp
2、lansforwaterresourcesschedulingintheirrigationarea,ignoresthedifferencesbetweenthereal-timeinformationliketherapidlychangingofweather,realconditionsofcropgrowthandsoilenvironmentandhistoricaldata.Itaffectsthecropwaterrequirementforecastandoptimizedallocationofwaterresources
3、intheirrigationarea,andconfinestheenhancingofirrigationwaterresourcesutilizationandthedevelopmentofmodernizationofirrigationdistrict.Inviewoftheaboveproblemsthatexistingintherelevantfieldofdomesticandforeignirrigationforecastandtheirrigationsystemoptimizationresearch.Dailyr
4、eferencecropsevapotranspirationforecastmodelreal-timeirrigationforecastmodel,basedonthevariablefuzzyclusteriterationmodel,wasestablishedinthispaper.Determinetheclusteringcentersofthereferencecropsevapotranspirationthatunderthefourtypesofweatherjustlikesunnycloudyovercastand
5、rain,thenwecanforecasttheshort-termdailyreferencecropsevapotranspiration.Atthesametime,onthebasisofsoilwaterbalanceprinciple,throughthecomparisonofwinterwheatdailysimulatedvaluesandthemeasuredsoilmoisturecontenttodeterminereal-timecorrectionmethodofthecropcoefficient.Basedo
6、nthedailyreferencecropevapotranspirationpredictionmodelandwinterwheatmoisturedailyrecurrenceformula,real-timeirrigationforecastmodelisestablishedinthispaper.Makingagriculture,meteorologicalreal-timedataasinputsolvestheproblemthattraditionalirrigationforecastcan’tmakefulluse
7、ofrainwaterresourcesanditimprovestheutilizationefficiencyofwaterresourcesintheirrigationarea.Deficientirrigationexperimentofwinterwheatwascarriedoutastheexampleandtestresultsandproductionanalysisshowthatreal-timeirrigationIII萬(wàn)方數(shù)據(jù)華北水利水電大學(xué)碩士學(xué)位論文forecastmodelandtechnologycanin
8、creasetherateofwatersavingandeconomicbenefitofirrigationarea,andtheycanalsoacceler