黄河三角洲土壤温室气体排放与增温潜能研究

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中图分类号：X511

文章编号：1674-6139（2026）03-0172-06

文献标志码：B

Analysis of Greenhouse Gas Emissions from Soil and Their Warming Potential in the Yellow River Delta

Yu Luwei1，Dou Wenjun2，3，Li Guoqing1，Shu Yan’，WangLuyan1 （1.School of Resources and Environmental Engineering，Ludong University，Yantai 264025，China； 2.Yantai Coastal Geological Survey Center，China Geological Survey，Yantai 264Ooo，China； 3.Field Scientific Observationand Research Station for Land-Sea Interactionatthe Yellow River Estuary， Ministry of Natural Resources，Yantai 264Ooo，China）

Abstract：TheYellowRiverDelta，asakeyareaforecologicalprotectionandhigh-qualitydevelopmentintheYellowRiverBasin，playsasignificantroleinachievingcarbonneutralitytroughmonitoringgreenhousegasemissons.Thisstudyestablishedae searchareaintheYelowRiverDeltaandutilizedtheDNDCmodeltosimulateandanalyzesoil greenhousegasemisionsandglobal warming potentialacrossmajorlanduse typesintheregion.Thefindingsareasfollows：Grassandsoilexhibitedthehighest CO2 flux at 2583.95kgC/ha/year ，while wetland soil showed the lowest at 1193.22kgC/ha/year ；Farmland soil had the highest N20 flux at 94.54kgN/ha/year ，whereas wetland soil had the lowest at 14.27kgN/ha/yea ；Overall，theGWPof the mainland use typesin the studyareawasnegative，indicatingtheregionprimarilyactsasacarbonsinkAmongfarmlandtypes，paddysoilexhibitedthelowest GWP value and the weakest carbon sink capacity.

Keywords：DNDC model；Soil greenhouse gases；Yellow River Delta

前言

随着全球气候变化和土地利用转型的加剧，黄河三角洲生态系统的温室气体排放日益引起关注。（剩余5104字）