Page 88 - 《水资源与水工程学报》2023年第3期
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                 betweenNDVIandSPI12inmostregions,43.26% oftheregionsshowingapositivecorrelation,which
                 mainlydistributedinthemiddleandsoutheastoftheHRB.Attheseasonalscale ,theresponseofspring
                 NDVItoSPI3wasthemostobvious,and85.64% oftheregionsshowedpositivecorrelation.Atthe
                 monthlyscale ,SPI1andSPI3hadthemostobviousinfluencesonVCIinspring,whereasSPI12hada
                 greaterinfluenceinautumn.Amongthedifferentlandusetypes,grasslandandarablelandwerehighly
                 correlatedwithSPI,indicatingthattheywerelessresistanttodroughts.
                 Keywords:meteorologicaldrought;vegetationchange;standardizedprecipitationindex(SPI);drought
                 response ;multitimescale;HanjiangRiverBasin
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                 !f†VҐli¨%S×ܘ÷P=­`J                          ¨, ®Ò +÷ýN¢i(standardizedprecipitation
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            zÈÊ9<=‹#K©e。î Deering . 1978 ç                     index,SPI) › r à ú ` J # …, V Ò × Ü ¢ i
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            i÷E       0Ò×ÜFŽÖŸ?Š Palmer `J¢i                   þuÊu²ŸÒw,x, `‚ab 1577km, ‚Õ
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