利用HYSPLIT模型分析麥蚜遠(yuǎn)距離遷飛軌跡.pdf

1、河南農(nóng)業(yè)大學(xué)碩士學(xué)位論文利用HYSPLIT模型分析麥蚜遠(yuǎn)距離遷飛軌跡姓名：郁振興申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)業(yè)昆蟲與害蟲防治指導(dǎo)教師：閆鳳鳴；武予清201106河南農(nóng)業(yè)大學(xué)碩士論文TRAJECTORYANALYSISOFⅥ，]HEATAPHIDSDURINGLoNGDISTANCEMIGRATIoNUSINGHYSPLITMoDELSupervisor：ProfYahFengming，WuYuqingMasterCandidate：YuZ

2、henxingABSTRACT：Wheataphids，predominantlySitobionmiscanthi(Takahaslai)，Rhopalosiphumpadi(Linnaeus)andSchizaphisgraminum(Rondani)，areimportantinsectpestswhichdamagedabout167millionhm2ofwheatinnorthChinain2009Understanding

3、thelongrangemigrationofwheataphidsisthereforeofgreatimportancetotheareawidepestmanagementinwheatproducingregionsWheataphidsmakelongdistancemigrationswiththeaidoftheprevailingwindsTheintemetbasedHYSPLIT(HYbridSinglePartic

4、leLagrangianIntegratedTrajectory)modelofNOAA(theNationalOceanicandAtmosphericAdministrationUSA)providesameansofsimulatingthemigrationtrajectoriesofsmallinsects，such硒aphidsTheprofileofaphiddensityWaSdeterminedwithaserieso

5、fballoonsupportedyellowtrapslocatedverticallyatheightsofupto100mabovegroundlevel，andmigrationtrajectoriesofaphidsatthev撕ousheightsWaSsimulatedwiththeHYSPLITmodelTheheliumfilledballoonofabout55m3volumeWaStetheredatheighto

6、fllOmby吐lreechinloncordsAfourthcordcarriedtheseriesofstickyyellowtraps(JiaduoScientificandIndustrialLtd)suspendedbeneaththeballoonThestickytrapstooktheformedofcylinders(diameter=25cnl，height=60em)attachedtotheverticalcor

7、datintervalsof10m111eballoonsuspendedtrappingsystemwasoperatedbetween21and28April，2009atLuoning(E111。39711Ⅳ，N34。22’58“)ofHenanprovince。碭eaphidstrappedwerepredominantlySitobionmiacanthiandRhopalosiphum胛歷Theaerialdensityof

8、aphids(numberpertrap)showedstratificationaccordingtoheightabovegr011Ild(1)ThebackwardtrajectoriesofaphidsstartingatLuoningatllh，atheightsof10IIl’40m，70mand100mweresimulatedwiththeHYSPLn’modelOattp：llwwwarlnoaagov／HYSPLIT

9、php)Thesimulatedmigrationdistancestartingataheightof100m，謝tlladurationof24h’wasgenerallygreaterthantrajectoriesstartingatotherheightsInmostofthecases(6outof8)theaphidsmigratedtowardsthenorthandthemaximumdistancemovedwith