Page 68 - 《水资源与水工程学报》2024年第5期
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               ‰Š¤V      ‰Š$%8          Ê]%8       |w¢‘û  }w¢‘û                        çE
                                                                      https://developers.google.com/earthengine/datasets/
            ËA          GPM_IMERG   precipitation    1month  0.1°
                                                                      catalog/NASA_GPM_L3_IMERG_MONTHLY_V06

                                    LST_Day_1km      8day    1km     https ://developers.google.com/earthengine/datasets/
            h²‘        MOD11A2
                                    PET              8day    500m    catalog/MODIS_061_MOD11A2
                                                                      https ://developers.google.com/earthengine/datasets/
                        MOD13A2     NDVI             16day   1km
            ’“                                                        catalog/MODIS_061_MOD13A2
                        GOSIF       SIF              1month  0.05°
                                                                      http ://globalecology.unh.edu/data/GOSIF.html
                                    SoilMoi0_10cm_inst  3hour  0.25°
                        GLDAS2.1                                    https://developers.google.com/earthengine/datasets/
            sGW‘                    SoilMoi10_40cm_inst 3hour  0.25°
                        NOAH                                          catalog/NASA_GLDAS_V021_NOAH_G025_T3H
                                    SoilMoi40_100cm_inst 3hour  0.25°
                                    ET               8day    500m    https ://developers.google.com/earthengine/datasets/
            TU&         MOD16A2
                                    PET              8day    500m    catalog/MODIS_061_MOD16A2

                                                                      https ://developers.google.com/earthengine/datasets/
            à»          SRTM        elevation                 90m
                                                                      catalog/CGIAR_SRTM90_V4
            9¤¥¦        WorldPop    populationdensity  1year  1km    https://hub.worldpop.org
            sh°±¤V CLCD             LC               1year   30m     https://zenodo.org/record/8176941

            2.2.2 2Ž4 ‡ˆ‚’‰ŠäÀže'Þß                           2.3 ýw=Ç
            /Á GEE(GoogleEarthEngine) '´t(https://de          2.3.1 xy@AB‘ %Á‚ƒzf{„…¹¼,
            velopers.google.com/earthengine/datasets )、ArcGIS  ÒBçèCÁËA、 h²‘、 ’“、 sGW‘、 TU
            Pro3.0 ZNä PycharmZN。@ÚÐ}wµ9                      &、 à»、 sh°±¤Vä9¤¥¦å‚ƒ„…, 9
            ­äÁ'Ž, ì·ù\µ#¶&‚Ö GCSWGS                        †YV€~1C,'Ž>ð( ² 2), sh°±¤
            1984 ßà¿, e†Q!Ja'ª( +ˆg) X?uv                      Ve† Q ! s h ° ± ‰ Š v (ChinaLandCover
            ™(, Îð‰ŠuvK1]_äÃö+k½Àž, ˆ                          Dataset,CLCD) :¢¤>Ê     [22] 。
            áe†îdñc;)½>ðð·ab{‡ˆ‰Šu                             2.3.2 xy’8B‘ á¬çèzf”‰(mete
            víº。CËA‰Š¶·j9'ŽÊ½@{ËA                              orologicalcomprehensivedroughtindex ,MCI) ðçè
            1; TU&(evapotranspiration,ET)、 Ô¨’“”              á¬zf”‰(comprehensivemeteorologicaldrought
            ‰(normalizeddifferencevegetationindex,NDVI)、 >     index ,CI) uvø, Øҍ CI éö ËA·»
            éTU&(potentialevapotranspiration,PET) ‰Š¶          Q·ÁÉ6äð#ezfîlºoÜ{=>, Ã+
            ·{ôeè4ðÀž4{‰Š; h²‘(landsur                       Aà!ËA”‰(standardizedprecipitationindex,
                                                                   [8]
            facetemperature ,LST) ¶·µ½è4ðÀž; /LÜ               SPI) 、SPEI ä CI {ø$, ,éJahg{zfö
            O½ ‹ … * L (solarinduced chlorophyllfluores       12ôÏ     [26] 。MCI ”‰JŠá¬€$| ‰Š
            cence ,SIF) AB 0.1 Êuv‰Š'Ž; sGW‘                  'ŽÕÖ, 'Ž>ð       [27] l!Q(1)。
            ‰Š(soilmoisture,SM) ¶·µ½è4ðÀžá, C                      MCI=Ka(a·SPIW +b·MI +c·SPI +
                                                                                               30
                                                                                     60
                                                                                                         90
                                                    [21]
            Í 3 SScÕÖ 0 ~100cmБsGW‘                   ; à                d·SPI                          (1)
                                                                                150
            »‰Š(digitalelevationmodel,DEM) 'Ô¨À               QQ:MCI @/ü‘á¬çèzf”‰;Ka @Å 
            ž; 9âã‘(populationdensity,PD) e†Y­)½               \ ¿‰;a、b、c、d @;#¿‰,a=0.3,b=0.5,
            >ðÕÖ{ü‘‰Š; sh°±¤V(landcover,                       c=0.3,d=0.2;MI @Z 30d ™ðW£‘”‰;
                                                                                  30
            LC) e†v‰Š'@³vOq{‰Š。8\, e†                          SPI、SPI ¢x@Z 90、150dà!ËA”‰;
                                                                  90
                                                                       150
            kY­)½>ðC‡ˆ‰Š#óýo 0.1°。                             SPIW @Z 60d à!;#ËA”‰。MI、SPI、
                                                                                                          90
                                                                   60
                                                                                                     30
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