Page 195 - 《水资源与水工程学报》2025年第2期
P. 195

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

            DOI:10.11705/j.issn.1672-643X.2025.02.22


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                àᥠ, O£Ã              , Xâã , ä˜å , º æ , XçJ , Oèé , Žêë
                      (1. h·lZ I—I‚ƒZ%, :¦ 4@ 210098;2. h·lZ v†*[îZ%, :¦ 4@ 211000;
                           3. h·lZ IB2i#¨"bcdef, :¦ 4@ 210098;4. 4@IŸYZ()%,
                                   :¦ 4@ 210029;5. IŸ]¥hIŸÖº¯, §æ 56 233001)
                 A B: 摯޷v»¼I‚ƒ-rÀÅV¡cÂF[|mJÑA1(CADHEs) jPTG÷,†¡ã, s
                 ?Z7¥_ËÌCÕHºr¯ LcÃ、 Lc ÝDéEFG¨;qÃÅ CADHEs TQ©ijÏºß«™œ。
                 =5$¢¼I—ÚeŸ@ 1986—2021 TTϊÑgJ 0~100cmoo~(IîÌ>, | ù·PÑgJo~m
                 g ÌUäx CADHEs, ()¡a‘ÆÑ „T(1994 T) ¸ CADHEs T—;Ÿî、 Êg©XlP–³ÌT„
                 Pij, ÀóÎ Copula RÁÛő CADHEs „PT>?ß«™œ。ÁyêZ: CÕHLc ÝDÃJEFGJH
                 r¦Ã CADHEs T—;ŸîX, †xæ 13 J 23d/a; K¯û„à CADHEs TÊgXl, ɹº;BˆB, †x”
                 ÷ 5.68 J 6.00; ºK¯ûúû;cÃÅ, ɒP– 5d ©ˆ CADHEs TŸîX, Àf’•–b›Tij, Xc
                 P–³Ì†x÷e‘ 12 J 21d; Ñg*o~mgö÷TFúN„Pu<M CADHEs b›T>?™œ, ´,uÑg
                 –âT„«。()Ýyæ¯ÞÛv»¼I‚ƒ-r, ©Å±žTG÷,†ã'Èç‘YZŸ>, Qxu¡5
                 b»-ŽL[gJÈZG÷,†IË©V¡ CADHEs TjP°±b?²³。
                 CDE: F[|mJÑA1; ù·PÑg; o~mg; ß«™œ;Copula ‰Ì; ¥_ËÌ
                 FGHIJ:P426.616   KLMNO:A    KPQJ:1672643X(2025)02019109
                    Characteristicchangesofcompoundagriculturaldroughtsandheat

                            eventsinHuaibeiPlain: AcasestudyoftheBengbuStation

                                                         1,2,3
                                         1,3
                                                                                           1,3
                                                                             1,5
                           HUANGYuxin ,ZHUYonghua            ,WANGQimeng ,LHaishen ,
                                                                                      1,3
                                                                       3
                                        1,3
                                                         1,4
                                 LUWen ,WANGYining ,ZHUJiaqi,SUNQianzhen
                  (1.CollegeofHydrologyandWaterResources,HohaiUniversity,Nanjing210098,China;2.CollegeofGeographyand
                     RemoteSensing,HohaiUniversity,Nanjing211000,China;3.TheNationalKeyLaboratoryofWaterDisaster
                    Prevention ,HohaiUniversity,Nanjing210098,China;4.NanjingHydraulicResearchInstitute,Nanjing210029,
                        China;5.TheHuaiheRiverCommissionoftheMinistryofWaterResources,Bengbu233001,China)
                 Abstract:Precisewaterresourcesallocationandfieldmanagementstrategiesaddressingcompoundagri
                 culturaldroughtsandheatevents(CADHEs)areessentialforcropgrowthinHuaibeiPlain.Thisstudy
                 aimstoexplorethecharacteristictrendsandunderlyingdrivingfactorsofCADHEsduringtheheadingto
                 fillingandfillingtomaturitystagesofwinterwheat ,aswellastheentiregrowthperiodofsummermaize
                 inthestudyarea.StandardizedtemperatureandsoilmoistureindiceswereusedtoidentifyCADHEs,
                 basedonthedailymeantemperatureand0-100cmsoilmoisturedatafromtheWudaogouHydrological
                 ExperimentalStationspanningfrom1986to2021.ThecharacteristicsandtrendsofCADHEsfrequency,
                 intensity,andmaximumconsecutivedaysbeforeandaftertheabruptchangeintemperaturein1994were
                 compared,andthemaindrivingfactorsofCADHEschangeswereidentifiedbyCopulafunction.There
                 sultsshowthatthehighestfrequencyofCADHEsoccurredduringthefillingtomaturitystageofwinter

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