基于MODIS的冬小麥長勢監(jiān)測模型研究——以石、衡、邢地區(qū)為例.pdf

1、中國農業(yè)科學院碩士學位論文基于MODIS的冬小麥長勢監(jiān)測模型研究——以石、衡、邢地區(qū)為例姓名：張莉娜申請學位級別：碩士專業(yè)：生態(tài)學指導教師：周清波20060601AbstractW砧refornl吼dopeningupofourcountrydeepenningconstarltlya11deconomyHighspeeddevelopjn昂populationincre嬲ingcomtantly’cultivatedlalldreso

2、urcesbeingreducedconstantly，thesafeprOblemofgmincomesOutpmminennyA1lneed鏟OwingsnuatiOninfonnationOfthecropfbmnatiOnaIsupremepoIjcymakertobasicpeaSanthousehoIdGraspinggrowingsituationofcropaSsoonaspossiMeindi彘relltcrop盯ow

3、ingupperiodisimportaIltt11anaccur撕ngt0estimatecmpcuJtiVatedarea鋤dou幣utnselfincer嘶ncases，becausemonitoringgrowingsituationinfonnationofthecropcanmaI【eprew鋤ingearlytoextensivegrainsh0血georsurplus，insnⅥctingagricultIIretopr

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5、totrlewirIterwheatWitllthedevel叩mentof3S”technology，especiallythedeVelopmentoftheagricultllraIreJnotesensingtecllIlolo肼theapplicationofrernotesensingimage協(xié)t，promptanddynamicmonjtoringgrowingsitIlatiOnOfthe鵲sessmentcropre

6、placesomeoldagronomymetllodsandbecomeakindOfnewtecllll0109icalme粕s鋤dmaindevelopment仃end，LAI(LeafAreaIndex)isav撕able，itisrelevalltwithindividualcharacteristica11dcolonychamcteristicofgrowingsmlation，tllevegetationindexcal

7、culatingLAIisoneofthemaintrcndsofmonitofingthegmwingsimationofremote∞tlsingatpresentThemetllodofmonitoringgrowingsitIlationofcropistobuildthemodeIViacombiningremotesensingdataand礦ounddata，calculgcetllegrowingsitllationof

8、crop。11lisstudyismonitoringt11egrowingsitIlationofcropinsh玎iazhu柚＆heshui柚dxing詛iregionwIlichinmailIproducingregionofHuaiHaiinuseofMODSIdaydatam2004，drawing11vegetationndex(NDVI，RVI，DVI，EVI，IAVI，PVI，SAVI，TSAvI，RDVI，MSAVIa

9、ndGEMI)asremoteseIlsingpa舢eteLanalysillg、vitllgrol】lldda詛，scningupLAI—VegetationIndex鋤dLAlgro咖IndexmodelStIldiesshown，inLAI—vegetationindexmOdel，muhiaIlalysislinearmodelsbetterth鋤uni詛1了line盯model，someunitarynon—linearmod

10、elsisbe札ertIlaIlthemllItianal”islinearmodel，InIltli哪nonline甜modelsweselect3bettcrvege鋤ionindex鋤d3benerunitarynon—linearmodeltovalidatep刪sionIlsinggr0Il!ld，es詛blishfinalLAI—vege詛tionjndexmodel_SmodelofMSAvI，predictingtoLA

11、Ithatprecision柚daccllracyOnareallsuperiort0tIleindexofOtllervegetationIndex鋤d0t11ermodeJs，R=O918，sochoosemismOdelasfinalmodelsicalculatingLAILAI。growmIndexmodel，stemsinonemuinsteadofthedens吼calculatingthegrowingsitIlanon

12、ofcrop，choosingstemsinonemutobuildmemode，R=O699，combinetllevalue0fLAloneself，withmeagmnomysta】1dard，c柚confi姍thecategorisedgmdeoft量1ewinterwheatSof缸t11evegetationindex—LAIgmIllldindexcombiningmodellsfinalsettjngupUsingMSA