Page 219 - 《水资源与水工程学报》2022年第1期
P. 219
!33 " ! 1 # & ' ( ) & * + , - Vol.33No.1
2022 $ 2 % JournalofWaterResources&WaterEngineering Feb.,2022
DOI:10.11705/j.issn.1672-643X.2022.01.30
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BCDEF:TV211.1;S271 GHIJK:A GLMF:1672643X(2022)01021510
Agriculturalwaterfootprintintheupstream ofXiong’an
NewAreaanditseconomicefficiency
1,2,3,4
1,2,3
1,2,3
1,2,3,4
MALexin ,YANGYonghui ,HANShumin ,YANGYanmin
(1.CenterforAgriculturalResourcesResearch,InstituteofGeneticsandDevelopmentalBiology,ChineseAcademyof
Sciences,Shijiazhuang050022,China;2.KeyLaboratoryofAgriculturalWaterResources,ChineseAcademyof
Sciences ,Shijiazhuang050022,China;3.HebeiKeyLaboratoryofAgriculturalWatersaving,Shijiazhuang
050022,China;4.UniversityofChineseAcademyofSciences,Beijing100049,China)
Abstract:Quantifyingtheeconomicefficiencyofwaterconsumptionofdifferentcropsisthepremisefor
theregulationofagriculturalwaterconsumptionbyeconomicmeans.Basedonthewaterfootprinttheory,
wesimulatedthebluewaterfootprintandproductionwaterfootprintofmaincropsintheupstream of
Xiong ’anNewArea,andevaluatedtheeconomicefficiencyofthewaterfootprintincombinationwithsta
tisticaldata.Then ,thesimulatedresultswereverifiedbythesurveydata.Theresultsshowthatinthe
periodof2001-2016,thebluewaterfootprintsofwheat,maize,soybean,peanutandcottonranged
3
3
2
2
from384to4,611m /hm;theproductionwaterfootprintsrangedfrom4,122to6,453m /hm;the
3
economicefficiencyofbluewaterfootprintsrangedfrom1.15to19.29yuan/m;andtheeconomiceffi
3
ciencyofproductionwaterfootprintsrangedfrom0.38to2.02yuan/m.Therewasnosignificantdiffer
enceintheeconomicefficiencyofproductionwaterfootprintofdifferentcropsunderdifferenthydrological
yeartypes ,butthedifferenceofeconomicefficiencyofbluewaterfootprintwasverysignificant,especial
lyformaizeandsoybean.Intermsofspatialfeatures,theeconomicefficiencyofwaterfootprintinwest
ernmountainousareawaslowerthanthatineasternplainarea.However ,therewasacertaingapbe
tweenthesimulatedvalueofthemodelandtheeconomicefficiencyofthewaterfootprintintheactual
productionprocess,whichwasmainlycausedbythedifferenceofthewaterfootprints.
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