Page 22 - 《水资源与水工程学报》2022年第2期
P. 22

!33 " ! 2 #                       & ' ( ) & * + , -                               Vol.33No.2
               2022 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2022

            DOI:10.11705/j.issn.1672-643X.2022.02.03


                          '] SWAT _`AB—˜™34š、 ›

                                      567daœrsžŸ



                                             ! 4, 567, 8 9, :;<
                                         ( ²³®¯3% U/Uú%j, ²³ +€ 625014)
                 C D: HIÈAz[J?ú2eK†‡pBˆUWÄ, ¬UVW’“pDâœ{|ö6†‡¾ZoBˆr
                 s。+‹ SWAT š›œHIÈAU˜ÚmŸšì, ÚFÄ 1981-2020 ¤q•›¤HIÈApL、 ‰Ur¹
                 hºT„, þ• Mann-Kendall(M-K) hi¤1ÅL、 ‰UVW…pD⪫。 ¡¢£: A²¤Ç¿ºU…T
                931mm, TL、 ‰UVW…Hw, LUVW…²¤¿¹T 386mm, ƺU…p 41.5%; ‰UVW…²¤¿¹T 545
                 mm, ƺU…p 58.5%,1981-2020 ¤AºU…w‰UVW…b¦§nÛª«, LUVW…§stª«。T“
                 U¤、 ÇU¤、 T\U¤pLUVW…h™T 165.61、456.71 w 643.70mm, ‰Uµ™k•›¤DâÍÎK3。¹
                 Ũ, A^LUVW…、 ‰UVW…gºU…phºT„¼Ö, §|(¨Õ´¹ÕwsÒ7n3、 ¯t°²p¹
                 žZ。
                 EFG: L、 ‰UVW; r¹hº;SWAT š›;M-KMk; HIÈA
                 HIAJK:TV213.4   LMNOP:A    LQRK:1672643X(2022)02001809

                  Temporalandspatialvariationcharacteristicsofblueandgreenwater
                           resourcesinJialingRiverBasinbasedonSWATmodel


                                    YANGHao,NIFuquan,DENGYu,SHENJingxiong
                  (CollegeofWaterConservancyandHydropowerEngineering,SichuanAgricultureUniversity,Ya’an625014,China)
                 Abstract:TheJialingRiverBasinisanimportantwatersourceareafortheChengduandChongqingeco
                 nomiccircle,andthestatuschangeofitswaterresourceshasasignificantimpactontherealizationof
                 newdevelopmentpatterninChina.Here,thehydrologicprocessofJialingjiangRiverBasinwassimula
                 tedbasedonSWAT(soilandwaterassessmenttool)modeltoexplorethetemporalandspatialdistribu
                 tionfeaturesofblueandgreenwaterinthisareainsometypicalyearsandduringtheperiodof1981-
                2020 ,andthenMann-Kendall(M-K)testwasusedtoanalyzetheinterannualvariationtrendofblue
                 andgreenwater.Theresultsshowedthattheaverageannualprecipitationinthebasinwas931mm ,
                 whichwasthesumofthequantityofblueandgreenwaterresources;theannualaverageofthequantityof
                 bluewaterresourceswas386mm ,accountingfor41.5% oftheprecipitation,andthatofgreenwaterre
                 sourceswas545mm ,accountingfor58.5% oftheprecipitation.Asawhole,precipitationandgreenwa
                 terresourcespresentedanupwardtrendintheperiodof1981-2020 ;whereasbluewaterresources
                 showedadownwardtrend.Bluewaterresourceswas165.61 ,456.71and643.70mminverylow,nor
                 malandveryhighflowyears,respectively,andgreenwatercoefficientvariedgreatlyinthetypicalyears.
                 Thespatialdistributioncharacteristicsofbluewaterresources ,greenwaterresourcesandprecipitation
                 withinthebasinweresimilar,showingaspatialpatternoffirstdecreasingandthenincreasingfromthe
                 upstreamtothedownstream ,andlessinthewestbutmoreintheeast.
                 Keywords:blueandgreenwaterresources;temporalandspatialdistribution;soilandwaterassessment

                !"#$:20210630; %&#$:20211104
                '()*: ²³#<=>“ ®CU€” a4F­º-.(035Z2289)
                +,-.: J D(1995-), ], ²³¨­O, uQ4FG, ˆ(v®¯Uücd4F。
                /0+,: EF(1965-), ], ²³[GO, PQ, <`, uQGab, ˆ(vU€w®¯Uücd4F。
   17   18   19   20   21   22   23   24   25   26   27