河北省农田碳排放影响因素及脱钩分析

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中图分类号:F323.211;X322 文献标志码:A 文章编号:2095-6819(2025)04-0935-09 doi:10.13254/j.jare.2024.0414

Influencing factorsand decoupling analysis of farmland carbon emissions in Hebei Province

WANG Jiawei,LIShuangjiang1,2,CHENYixuan1,LIHanmo,ZHANGMeijuan',LIUYufeng',ZHOUYingjial (1.ScoolofEaleedEgingbiUesitcdag; Prevention Biotechnology Laboratory of Hebei Province,Shijiazhuang O5oo18, China)

Abstract:Toanalysisoftmporalandspatialcharacteristicsinfuencngfactorsanddcouplingectoffarlandcaboniote emisiocoeffcient methodwasemployed toestimatethefarmlandcarbonemissons inHebeiProviceduring2O1O—2021.TeLMDI modelwasusedtoanalyzeinfluencefactorsoffarmlandcarbonemisions.Furthermore,therelationshipbetweecarbonemisionsand agriculturaloutputvaluewasexaminedbasedontheTapiodecouplingmodel.Resultsshowedthat,carbonemisionsfromfarmlandin HebeiProviceexperincedaungntin14,sowingrendofuuatingandcreasingfolowdbydecrease.Tesi (measured in CO 12 ,thesamebelow)were2.818 ∇×∇ 10t in2010,peakedat 2.855×107 t in 2014,and then decreased to1.996×107 t in 2021, and emissions per unit of output value showed an overall fluctuating decrease,where from in 2010 to 0.56t⋅104yuan-1 in 2021,with annually average decrease of 7.93% .Carbon emissions from farmland exhibited a pattern of“higher in the south,lower in the north,”whilecarbonemisiospernitofoutputvaluesowedapateof“higherinesouheastlowerintenorthwest".Furthore, agriculturalprutioyglualustaluctuedaleelduppestb fromfarmlandosstesinHebeiProvince,withagiculturalproductoneiciencyeigteprmaryfactor,ichontributesanaveage annual reduction of 2.055×106 t.Regional economic development level and total rural population promote carbon emissons,with the regional economic development level being the keypromoting factor,contributinganaverage annual increase of 1.414×106t The decouplingstatebetweenfarmlandcarbonemisionsandagriculturaloutputvalueinHebei Province wasmainlycharacterizedbyweak decoupling,weakegativedcoupingndrongdecoupling.WithO7asauingoint,tedcouplingstatefistdeterioratdadn improved.ItissuggestedthatHebeiProvinceshouldformulatediferentiatedcontrolmeasuresforfarmlandcarbonemissionsasedonthe specific conditions of each region to promote low-carbon agricultural development and healthy growth. Keywords:farmland carbon emision; temporaland spatial characteristic;LMDImodel; decoupling analysis

温室气体排放导致的全球气候变暖已成为威胁人类生存和破坏生态平衡的重大环境问题,是全人类面临的共同挑战。(剩余16047字)

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