Page 44 - 《水资源与水工程学报》2025年第2期
P. 44
!36 "!2 # & ' ( ) & * + , - Vol.36No.2
2025 $ 4 % JournalofWaterResources&WaterEngineering Apr.,2025
DOI:10.11705/j.issn.1672-643X.2025.02.05
{|7s}~4=]Ühtp~h<Bø
1
1
1
2
1
1
1
1
OPQ , RST , L U , IVW , XQY , Z[\ , ]^_ , G ` , a b 1
(1. Ø!F[lZ IIEZ%, Ø! Á§ 625014;2. c:IÖº¯h3¢¥*ÙÚ®¼§¨!, 3_ ·× 430010)
A B: c:nÆ5¨ÉÆÇPJ7N«Tîn&。(vnTØ、 `ITP¡ûc:Ö&TI
,J°±öúb?T。æ¾)c:nØ、 `Ib»VÆÇQmPJov BÃ`PT
P, lÙ, 5(Ö&TIoXÆ#° SWAT í%, Ú)ÆÇQmPJBÃ`PT 4 LMÂ4»
¼Å.½。ÁyêZ: @ 1981—2020 Tc:nTÔI.JËÆÑfÉXYTbij; º 1990—2020
2
T÷, ± 7842.7km To vàPæ}v, }ãS6 Ì(LAI) ¼fbij, 3ÀXY; \]ÆÇQm
PBÃ`PTª», Ö&ÅTØ、 `Ifbij; ºØ、 `IP!, ÆÇQmPR]><U , ´¡ØIJ
`IPT>?îxæ 70.24%J 96.28%; QmPTÆÇW»BÃT`P, ¾÷úª«Ö&ÅØ、
`ITb, {BÃ`PaØIÝ`ITàPÎ$, êZBÃæçgTȱä5ÐfÖ&ÅTI。
CDE: Ø、 `I; ÆÇQmP; BÃ`P; ov P;SWAT í%; c:n
FGHIJ:TV213.4;P467;F301.2 KLMNO:A KPQJ:1672643X(2025)02004009
Responsesofblueandgreenwatertoclimatewarmingwettingand
vegetationgreeningintheYangtzeRiverSourceRegion
2
1
1
1
1
ZHUMengyu,NIFuquan,DENGYu,RENHuazhun,WANGYuxuan,
1
1
1
1
WUMingyan,YUEZiying,JIANGNan,WENWei
(1.CollegeofWaterConservancyandHydropowerEngineering,SichuanAgriculturalUniversity,Ya’an625014,China;2.Riverand
LakeProtectionandConstructionSafetyCenterofChangjiangWaterResourcesCommission ,Wuhan430010,China)
Abstract:TheYangtzeRiverSourceRegion(YRSR)issituatedinaclimatesensitivezone,whichis
vulnerabletoglobalclimatechangeandhumanactivities.Thecriticalvariationsinitsblueandgreenwa
terresourceshaveaprofoundimpactonthemanagementandsustainabledevelopmentofwaterresources
acrosstheentireYangtzeRiverBasin.Weinvestigatedthespatiotemporalresponsesofblueandgreen
watertoclimatewarming-wettingtrendsandvegetationgreeningunderlandusechanges ,usingthesoil
andwaterassessmenttool (SWAT)model.Fourcombinationscenariosconsideringclimatewarming-
wettingandvegetationgreeningwereestablishedforquantitativeanalysis.Theresultsindicatethatpre
cipitationandmeantemperatureintheYRSRexhibitedsignificantupwardtrendsfrom1981to2020.
2
During1990-2020,7,842.7km ofunusedlandwasconvertedtograssland,whiletheleafareaindex
(LAI)showedanonsignificantincreasingtrend.Underthecombinedeffectsofclimatewarming-wet
tingandvegetationgreening ,bothblueandgreenwaterinthebasinincreased,withclimatewarming-
wettingdominatingthehydrologicalchanges ,contributing70.24% and96.28% toblueandgreenwater
variations ,respectively.Thewarmerandwetterclimatenotonlypromotedvegetationgreeningbutalsoin
directlyenhancedwaterresourcesavailability.Meanwhile ,vegetationgreeningacceleratedtheconversion
ofbluewatertogreenwater,indicatingthatincreasedvegetationcoverageoptimizedwaterresourcesdis
tributionwithinthebasin.
!"#$:20241107; %$:20250227
'()*: Ø!`pqÓF\I§¨#$()!-.(035Z2289)
+,-.: çÔò(2000—), ), :^>y7, 89();, >?@A;¦I*I#$()。
ר+,: Õ¨(1965—), 2, Ø!Ý7, :9, p;, 89;<=, >?@AI§¨*F[Io()。