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ID:36806083
大小:2.25 MB
页数:6页
时间:2019-05-15
《基于GLUE方法的植被界面过程模型(VIP)的不确定性分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、!"#$%&(ChineseJournalofAgrometeorology)2010,31(4):522-527doi:10.3969/j.issn.1000-6362.2010.04.007!"GLUE#$%&'()*+,-(VIP)%./01231,2,111,2!"#$%,&'(,)*(1!"'()*+'(,-./012*3456*789:;<=>,?@100101;2!"'()/0A),?@100039)45:ABCDEFGHIJKL,MNOPQRNQSTUVW,XYAZ[]。^8EFZ[]_`,abcdeEFfgh+i,
2、jkEFlmhan]。opqr89EF(VIP)sGtuvwxy2*ABCDz{
3、}、3~45A
4、89hAB/3~(EF。~PGLUE(GeneralizedLikelihoodUncertaintyEstimation),bvUCJ,P?Ah¡¢£J_`VIPEF!h¤A、¥¦3_§b6¨v©ªE«!8tIJb6EFlmhZ[]。/07¬,®¨v©ªVmax、¯°3{wcsat、¡±3{wcfieldIJ²³]IJ,´ehµ¶®,´·IJs¸eZ²³IJ。N¹ºU95%3»,¼½¢£¾®¿ÀÁÂÃÄ°N¹ºlmÅÆ,Ǭab^8IJÈÉÊË
5、ÌÍhEFEÎÏ。678:GLUE;VIPEF;lmZ[];²³]IJUncertaintyAnalysisofVegetationInterfaceProcesses(VIP)ModelBasedonGLUE1,2111,2WANGKun,MOXingguo,LINZhonghui,SHUChang(1KeyLaboratoryofWaterCycleandRelatedLandSurfaceProcesses,IGSNRR,ChineseAcademyofSciences,Beijing100101,China;2GraduateS
6、choolofChineseAcademyofSciences,Beijing100039)Abstract:Therearemanyparametersintheecosystemmodel.Thevariabilityofparametersatdifferentspacetimescalesresultedinuncertainties.Theuncertaintyanalysisofparameterscouldhelptounderstandthestructureofthemodeldeeplyandimprovethereliab
7、ilityofthemodelpredictions.TheVegetationInterfaceProcesses(VIP)modelisanecohydrologydynamicmodel,whichincludsenergybudget,hydrologycycle,absorptionandtransformationofcarbonandnitrogenintheterrestrialecosystem.Inthispaper,thegeneralizedlikelihooduncertaintyestimation(GLUE)met
8、hodologywasusedtoanalyzetheuncertaintyoftheparameters.IntheVIPmodel,wechoseeightparameters,whichcamefromthecropgrowthmodule,soilwaterdynamicprocessandphotosynthesismodule.Anindexofagreementwaschosentobethelikelihoodweight.Thefielddata(LAI,biomass,soilwatercontentetc.)intheNo
9、rthChinaPlainwereused.TheresultsshowedthatmaximumcatalyticactivityofRubisco,saturatedwatercontentandfieldcapacityweresensitiveparameters,whichinfluencedthevalueoflikelihoodweightgreatly.Theotherswerenonsensitiveparameters.Almostalltheobservationsapproachedwereincludedinthe
10、confidenceintervalwiththe95%confidencelevel,whichindicatedthatbette
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