Page 204 - 《水资源与水工程学报》2025年第2期
P. 204

!36 "!2 #                         & ' ( ) & * + , -                               Vol.36No.2
               2025 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2025

            DOI:10.11705/j.issn.1672-643X.2025.02.23


                       ]ghóÛF¾ÆÄÅÆ~>$

                                      ºbc_·C²Há


                                                1
                                                           2
                                                                     2
                                      1
                                                                             3
                                 1 › , ì´í , O£J , <S´ , î F , ïDð                     4
                     (1. ì6½F[Ûµ—àá!, -E ì6 756500;2. -E‘”þÿnÆO•, -E Å! 750002;
                        3. -ElZ FZ%, -E Å! 750021;4. -ElZ o»*IŸ#$Z%, -E Å! 750021)
                 A B: |muš›-E!4]EG½LB[TúûÆOB2。n{, ºÆÇ„PF4!, ü;qÃ|mT„…Q
                 ©ß«™œmoZÛ。=5 1991—2020 T÷-E!4] 8 ûÆOŸTÌ>, | UCI†á} Ì(CWDI) U
                 æ ù, óÎ Mann-Kendall £e¾¿‘‰};qÃÅÆO™œJ|mœgT„÷„Pij, ÀŸ v†SUâk
                 (GIS) k׆½‘|mQ¡JŸîT…÷†‡Q©, }„u ó؆½äx|mT>?ß«™œ。ÁyêZ: ºB
                 ̟c, µE ˜ýÃ÷ÔI.JUCsI.XYÒG, {Žû;qÃÅjafXY!Ôij; ;qÃÅ|mœg
                 4le՟,æ†H µEÃ、 µE ˜ýÃJÉô †HÃ, É 2010s T|mœg<5 1990s J 2000s; ü;qÃT|
                 mŸî†xæ 26% ~74%( Éô †HÃ)、48% ~94%( µE ˜ýÃ)、76% ~100%( †H µEÃ); …÷ˆ, |m
                 Ÿî*Q¡þ_Ý4¨Ò, ´!}Ÿ|mŸîJQ¡X, IƒŸX<; ¡5 CWDI Tš›™œ, ºÉô †HÃ
                 J†H µEÃêb?N1ƒæÔI > UCsI. > ˊÆÑ > ÏÐ„Ì > F¡mg > ˊja; {ºµE ˜ý
                 öæÔI > UCsI. > ˊÆÑ > F¡mg > ˊja。
                 CDE: EG½; UCI†á} Ì; 󨆽; F[|m; ÆÇ„P; -E!4]
                 FGHIJ:S532;S423   KLMNO:A    KPQJ:1672643X(2025)02020007

                 Droughtcharacteristicsanddrivingfactorsindifferentgrowthstagesof
                       potatoesunderclimatechangeincentralandsouthernNingxia

                                                                           2
                                                                                     3
                                             1
                           1
                                                              2
                    YEPing,LIANGShengfan,ZHUYongning,LIFusheng,GEJing,FENGDongpu                     4
              (1.PengyangCountyAgriculturalComprehensiveDevelopmentServiceCenter,Pengyang756500,China;2.NingxiaMeteorological
                      Service,Yinchuan750002,China;3.SchoolofAgriculture,NingxiaUniversity,Yinchuan750021,China;
                           4.SchoolofCivilandHydraulicEngineering,NingxiaUniversity,Yinchuan750021,China)
                 Abstract:Droughtisthemainmeteorologicaldisasteraffectingthepotatoindustryincentralandsouthern
                 Ningxia ;however,thespatiotemporalcharacteristicsanddrivingfactorsofdroughtindifferentgrowthsta
                 gesofpotatoesinNingxiaunderclimatechangehavenotyetbeenrevealed.Basedonthedatafromeight
                 meteorologicalstationsincentralandsouthernNingxiafrom1991to2020,weinvestigatedthetemporal
                 characteristicsofmeteorologicalelementsanddroughtintensityindifferentgrowthstagesofpotatoes,u
                 singcropwaterefficiencyindex(CWDI)andMann-Kendalltest.Geographicinformationsystem(GIS)
                 wasemployedtoanalyzethespatialdistributionofdroughtlevelsandfrequencies,andpathanalysiswas
                 usedtoidentifythemaindrivingfactors.Theresultsshowedthatformoststations,precipitationandcrop
                 waterdemandsignificantlydecreasedduringtheflowering-harvestingperiod ,sodidthewindspeed
                 throughouttheentiregrowthperiod.Thedroughtintensityindifferentgrowthstageswasinthefollowing
                 order :branching-floweringperiod>flowering-harvestingperiod> germination-branchingperiod.
                 Theaveragedroughtintensityinthe2010shasdecreasedcomparedwiththe1990sand2000s.Whereas

                !"#$:20241030; %&#$:20241225
                '()*: "ÄþnYZ=j-.(42365010); ì6½Yk(—-.(2023PKJ0034); -E‘”þÿnbc(—>”-.
                        (2023BCF01054)
                +,-.: ã Ë(1976—), 2, -Eì67, –Y, ˜¡#$=, >?@AF[I‚ƒžŸ RST()。
                ר+,: ðHF(1986—), 2, -E·Ì7, :9, q=, >?@AF[I‚ƒžŸ RST()。
   199   200   201   202   203   204   205   206   207   208   209