简介：Atwo-waycouplingsimulationfromtheNCAR’sregionalclimatemodelREGCM2(calledR-2hereafter)andtheSUCROSmodelforcropgrowthdevelopedbytheWageningenAgriculturalUniversity,theNetherlands(bothmodels,whenincombination,denotedasR/S)arecarriedoutontheinteractionsbetweencropsandatmosphereintheHuang-Huai-HaiPlaininEastChina.EvidencesuggeststhattheR/Ssimulationscandepictprettywellthedynamicbiology-basedinteractionsbetweenthefactors,revealingreasonablyboththeday-to-dayvariationsinleafareaindex(LAI)andlandsurfacephysicstherein,andparticularlytheimprovementofthesimulation,independentlybyuseoftheR-2,ofsummerprecipitationandsurfacetemperatureintheresearchregion.Asaresult,thepresentresearchisofsignificancetothefurtherunderstandingoftheinteractionbetweentheclimatesystemandtheterrestrialecologicalsystems.