Page 31 - 《水资源与水工程学报》2022年第5期
P. 31

! 33 " ! 5 #                      & ' ( ) & * + , -                               Vol.33No.5
               2022 $ 10 %              JournalofWaterResources&WaterEngineering                 Oct.,2022

            DOI:10.11705/j.issn.1672-643X.2022.05.04


            ëììíîïˆ 1961-2020 µ[ðñÄœ=:‹Œ


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                 s{|…ó¹{|ô 60 õ S·C=·–zij、 ‘q eÓ。2010 õ¶¾rs{|RÓ·Ci=, û6…û)
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                 HIJKL:P426.6;P467   MNOPQ:A    MRSL:1672643X(2022)05002709
                      InfluenceofMeiyuBeltmovementontheextremeprecipitation

                                     inJiangsuProvincefrom1961to2020

                                           1
                                                        1
                                                                                     2,3,4
                                                                    1
                                 CHENYan,CHENBing,SUNJiali,WANGGuoqing
             (1.JiansuProvincialClimateCenter,Nanjing210019,China;2.StateKeyLaboratoryofHydrology-WaterResourcesandHydraulic
            Engineering ,NanjingHydraulicResearchInstitute,Nanjing210029,China;3.ResearchCenterforClimateChange,MinistryofWater
                   Resources ,Nanjing210029,China;4.YangtzeInstituteforConservationandDevelopment,Nanjing210098,China)
                 Abstract:Theclimaticcharacteristicsandevolutionofextremeprecipitationareofgreatsignificanceto
                 thepreventionandcontrolofurbanwaterlogging ,waterenvironmentalpollutioncontrol,andtheconstruc
                 tionofspongecities.Basedonthedailyprecipitationdatafrom67nationalmeteorologicalobservatoriesin
                 JiangsuProvincefrom1961to2020 ,thetrendanalysis,Mann-Kendalltestandwaveletanalysisare
                 usedtoanalyzethetemporalandspatialdistributioncharacteristicsandchangingtrendsofheavyandex
                 tremelyheavyprecipitation,aswellastheeffectsoftheMeiyuBeltmovementonextremeprecipitationin
                 theHuaiRiverBasinandtheYangtzeRiverBasin.TheresultsshowthattheareaalongtheYangtzeRiver
                 hadthelargestamountofprecipitation.Heavyprecipitationandextremelyheavyprecipitationcontributed
                34.5% and11.9% oftheannualprecipitation,respectively,andonethirdoftheextremeprecipitation
                 eventsoccurredfrom lateJunetomidJuly.InmostareasofJiangsuProvince,extremeprecipitation,
                 rainydaysandrainfallintensityshowedanincreasingtrend,butonlytheincreasingtrendoftheYangtze
                 RiverBasinpassedthesignificancetest.Theinterdecadalrainintensityofextremeprecipitationfluctua

                !"#$:20220221; %&#$:20220628
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                         2017YFC1502701); s)½ú#!Je%>)*(KZ202102);C©CDEWCIUX%&!"Jefgh
                         “ ‹™‹­” CWáó.ûü%l'()*(2020nkzd01)
                +,-.: 2 *(1977-), B, s)Í[4, 56, â>ëU, ª«†<úaeÓ¦§~¡、 ýþú#、 &DE~¡>?。
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                        >?。
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