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Studyoncoupledcollaborativeevaluationandoptimizationforwater - energy - food
system ofriceirrigationareabasedonbilateralregulationwithsupplyanddemand
1,2
1
1,2
1
ZHANGLibing ,KANGChuanyu,JINJuliang ,BAIYachao,
3
3
ZHANGQibing,CHENXiaofeng
(1.CollegeofCivilEngineering,HefeiUniversityofTechnology,Hefei 230009,China;
2.InstituteofWaterResourcesandEnvironmentalSystemEngineering,HefeiUniversityofTechnology,Hefei 230009,China;
3.KeyLaboratoryofWaterConservancyandWaterResourcesofAnhuiProvince,WaterResourcesResearchInstituteof
AnhuiProvinceandHuaiheRiverCommission,MinistryofWaterResources,Bengbu 233088,China)
Abstract:Asalarge - scaleirrigationareawiththemainconsumptionofwaterresourcesandtheimportantproduc
tionbaseofgrain,bilateralregulationofsupplyanddemandisanimportantwaytoalleviatethecontradiction
betweensupplyanddemandofwaterresourcesinirrigationareasandimproveregionalsustainablehigh - quality
development.Inordertorevealthecomplexsynergisticrelationshipofwater - energy - foodintheirrigationareaand
carryouttheresearchonsystemoptimizationandregulation ,thispaperconstructstheevaluationmodelofcoupling
coordinationdegreeofwater - energy - foodsysteminlarge - scaleirrigationareabasedonthetheoryofsystem engi
neeringfirstly.Then,basedontheconstructedwaterresourcessimulationmodelofirrigationarea,themaximum
couplingcoordinationdegreeofwater - energy - foodinirrigationareaistakenasthegoalandthericeplantingpro
portionofmaincropsinirrigationarea,thedroughtlimitwaterlevelofreservoirclassificationandtheproportionof
criticalperiodsupplyofricewaterdemandaretakenasoptimizationvariables.Finally,combinedwiththeAcceler
ateGeneticAlgorithm, thecouplingcollaborativeoptimizationofwater - energy - foodsystem inlarge - scale
irrigationareasbasedonbilateraloptimalregulationofwaterresourcessupplyanddemandisstudied.Theapplica
tionresultsofHangbuheIrrigationDistrictshowthattheproportionofriceplanting,thedroughtlimitedwaterlevel
ofreservoirclassificationandstaging ,andthecriticalperiodsupplyratioofricewaterdemanddeterminedinthis
papercansignificantlyimprovethecouplingandcoordinationrelationshipofwater - energy - foodsystemintheirriga
tiondistrictcomparedwiththeoperationstatusoftheirrigationdistrict.Theplantingareaofdoublecroppingricehas
beenrestoredtoacertainextentandthefoodyieldhasbeensignificantlyimproved.Theoptimizedreservoirdrought
limitedwaterlevelandthereservoirlimitedsupplymeasuresinthecriticalperiodofricewaterdemandnotonlyfur
therimprovethewaterresourcesutilizationefficiencyoftheirrigationdistrictindryyears ,butalsogreatlyalleviatethe
degreeofdroughtreductionoffoodcropsintheirrigationdistrict.Therefore ,thebilateraloptimalregulationofsupply
anddemandcanimprovethecouplingcoordinationofwater - energy - foodsystemanditsadaptability,andproviderefer
enceforimprovingtheutilizationefficiencyofwaterresources ,arrangingtheproductionofmainfoodcropsandstrength
eningthecouplingandcoordinateddevelopmentofenergyandwater - food.
Keywords:largeirrigationareas;water - energy - foodsystem;coupledcollaborativeoptimization;bilateralregu
lationofsupplyanddemand ;reservoirdroughtlimitwaterlevel;plantingratio;limitedwatersupplyratio
(责任编辑:于福亮)
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