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:1,23,1,2,1,1(1.,210095;2.,100029):,.2:;2.,.:;;;;:X17111:A:025023301(2005)0220011205:2004203210;:2004208231:(KZCX12SW201213):(1956),,,..3,E2mail:huangy@mail.iap.ac.cnSimulatingNetPrimaryProductionofRiceandWheatCrops:ModelEstablish2mentHUANGYao1,2,YANGZhao2fang1,YUYong2qiang2,JIANGJun1,SUNWen2juan1(1.CollegeofResourcesandEnvironmentalSciences,NanjingAgriculturalUniversity,Nanjing210095,China;2.InstituteofAtmo2sphericPhysics,ChineseAcademyofSciences,Beijing100029,China)Abstract:Onthebasisoftheprinciplesofplantphysiology,agro2meteorologyandsoilenvironment,netprimaryproductionofriceandwheatcropswasmodeled.Themodelincludestwomainfunctionalmodules:photosynthesisandrespiration,andnitrogentransportwithinsoil2plantsystem.Theprocessesofphotosynthesisandrespirationaredrivenbyenvironmentalvariablesandplantnitrogencon2tent.Thetransportationofnitrogenwithinsoil2plantsystemisdeterminedbysimulatingtheprocessesofcropnitrogenuptake,soilnitrogenmineralizationandsyntheticnitrogenrelease.Keywords:riceandwheatcrops;netprimaryproduction;simulationmodel;nitrogen;globalchange,[1].[2,3],(Intergov2ernmentalPanelonClimateChange,IPCC)[4,5].CO2,[6,7].(),,,.,[8,9].[1015],.[1620]/.,2.36%60%[21],,,.1:CO2,(grossprimaryproduction,GPP)..(autotrophicrespiration,RA),CO2.(growthrespiration,RG)(maintenancerespiration,RM).,[22].26220053ENVIRONMENTALSCIENCEVol.26,No.2Mar.,2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.GPPRA(netprimarypro2duction,NPP).().1.1Fig.1Conceptualmodelofnetprimaryproductionofagriculturalvegetation2(1),.,:NPP=ni=1(GPP(i)-RG(i)-RM(i))(1),NPP(C)/gm-2,GPP(i),RG(i)RM(i)(C)/g(m2d)-1,n(d).211(1):GPP(i)=P(i)WL(i)DL(i)(2)P(i)=Pmax(i)FQ(i)FT(i)FW(i)FCO2(3)Pmax(i)=01029NL(i)-01031(4),CCO2(12/44),P(i)(CO2)/g(gh)-1.WL(i)(gm-2),(8)(11).DL(i)(h),[23].FQ(i),FT(i)FW(i),(13)(15)(16).FCO2CO2,(17).Pmax(i)(CO2)/g(gh)-1,NL(i)(%),(4)Field[24].,(21)(23).(2)(5)(6)[25]:RG(i)=RgGPP(i)(5)RM(i)=Rm(i)Q10T(i)-2510NPP(i-1)(6),RgRm(i)(gg-1)[g(gd)-1].Q10,T(i)().(N(i),%)[9]:Rm(i)=010085N2(i)-010049N(i)()010124N(i)-010076()(7)(3)()2,.,.(8)(9):WL(i)=WL(i-1)[1-(YL(i)-YL(i-1))]+PL(i)NPP(i)(8)LAI(i)=LAI(i-1)[1-(YL(i)-YL(i-1)]+PL(i)NPP(i)SLA(i)(9),WL(i)LAI(i)(gm-2);PL(i)NPP(i)SLA(i)[g(m2d)-1)(m2g-1DM);CH2OC(30/12);YL(i)/.20022003,/:YL(i)=00X(i)0165aXb(i)X(i)0165(10),a,b,X(i)()i.110210.[25],2(11)(12):WL(i)=WL(max)1+(X(i)-1)2(11)LAI(i)=LAImax1+(X(i)-1)2(12),WL(max)LAImax2126©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,.212(1)2(13)[26],(14)[25]:FQ(i)=Q(i)B+Q(i)(13)Q(i)=(1-)PAR(i)kLAI(i)[1-exp(-kLAI(i))](14),Q(i)PAR(i)MJ(m2h)-1,PAR,k,B.[23],44%[27].(2)2[25],(15):FT(i)=0T(i)-TLTO-TL(1+r)TU-T(i)TU-TO(1-r)(15)T(i)TLT(i)TUTLT(i)TU,T(i)(),TLTOTU(),r.(3)2(16)[28]:FW(i)=0W(i)WpW(i)-WpWl-WpWpW(i)Wl1WlW(i)Wu0151+W(i)-1Wu-1W(i)Wu(16),W(i)040cm(cm3cm-3).Wp(cm3cm-3),WlWu(cm3cm-3),Kroff[13]..,.[14,29],Priestly2Taylor[30].(4)CO2CO2(17)[12]:FCO2=1+lncyc0(17),cyCO2(molmol-1),c0CO2(c0=340molmol-1),.CO2NPP,CO2.2132(1).(i)=NS(i)+NSN(i)(18)S(i)=kSf(clay)f(Wi)f(TSi)NS-iNS(i-1)(19)SN(i)=kSNf(Wi)f(TSi)NEUNSN-iNSN(i-1)(20),N(i)[g(m2d)-1],NS(i)NSN(i)[g(m2d)-1].NSNSN.NEU,.kSkSN.f(clay)f(Wi)f(TSi)/().(2),[31].Nuptake=Min(N(i),DN(i))(21),NuptakeDN(i)N(i)[g(m2d)-1].MANAGE2N[15](22)CERES2Wheat[14](23).DN(i)=rNNW(i)Min(DNmax,FNPP(i))(22)i20NW(i)315i20NW(i)315DN(i)=NC(i)%NPP(i)-NA(i-1)%NPP(i-1)(23)312©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,rN[g(gd)-1],NW(i)(gm-2).DNmax[g(m2d)-1],F(gg-1).NC(i)NA(i-1).3().()()(;)().1.4CO2CO2.20801Table1Parametersformodelingnetprimaryproductionofriceandwheatcrops(k)0175(),0142()[14],[25]0185(),0169()[14],[25]()/%6[26](TL)/12(),3()[25],[32],[33](TO)/29(),18()[25],[32],[33](TU)/40(),35()[25],[32],[33](Rg)/gg-10125/(),0135()[22]1)(Q10)210[34]CO2()018[12]()119(),810()[25](rN)/g(gd)-101150120[15]/(a)0108(),0106()/(b)411(),219()1)012014Field[24],206070(44),.10[3540],,,.,[9].,[1015],.[9],.,,.:[1]SchimelDS.Thecarbonequation[J].Nature,1998,393:208209.[2]OreskesN,Shrader2FrechetteK,BelitzK.Verification,valida2tionandconfirmationofnumericalmodelsintheearthsciences[J].Science,1994,263:641646.[3]HeimannM,EsserG,HaxeltineA,etal.Evaluationofterres2trialcarboncyclemodelsthroughsimulationsoftheseasonalcycleofatmosphericCO22firstresultsofamodelintercomparisonstudy[J].GlobalBiogeochemicalCycles,1998,12:124.[4]MelilloJM,PrenticeIC,FarquharGD,etal.Terrestrialbioticresponsetoenvironmentalchangeandfeedbackstoclimate[A].In:HoughtonJT,MeiraFilhoLG,CallenderBA,HarrisN,KattenbergA,MaskellK(eds).ClimateChange1995:TheScienceofClimateChange[C].CambridgeUniversityPress,1996.449481.[5]SchimelD,AlvesD,EntingI,etal.CO2andthecarboncycle[A].In:HoughtonJT,MeiraFilhoLG,CallenderBA,HarrisN,KattenbergA,MaskellK(eds.).ClimateChange1995:TheScienceofClimateChange[C].CambridgeUniversityPress,1996.6586.[6]LobellDB,AsnerGP.ClimateandmanagementcontributionstorecenttrendsinU.S.agriculturalyields[J].Science,2003,299:1032.[7]PrinceSD,HaskettJ,SteiningerM,StrandH,WrightR.NetprimaryproductionofU.S.midwestcroplandsfromagriculturalharvestyielddata[J].
本文标题:稻麦作物净初级生产力模型研究模型的建立
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