Page 105 - 《水资源与水工程学报》2023年第3期
P. 105
!34 " ! 3 # & ' ( ) & * + , - Vol.34No.3
2023 $ 6 % JournalofWaterResources&WaterEngineering Jun.,2023
DOI:10.11705/j.issn.1672-643X.2023.03.12
«MN¾6s¬í®¯Ì]îï
D, &Yv, , N ,
( Îæ.8 QRWgj8\, Î m 230036)
< =: ¡]SXÆVÒ"÷ÅrdýÚ-zÇÈ, 1980—2020 çUbzXÆVÒi¨X(i¨
¡9, Ò GIS SCS h§mz´µ, ù©«Éù©ýÅeÖüUb3GP¹^
。
¿Å:1980—2020 çUbXÆVÒ÷JK¦¡-1ÒÆz±óPçÆêÆz4Z; bXÆVÒ
2
2
m¢iàá±b, =uP²ÖXÆVÒa²qL 127km ±bV 1624km。1980—2020 çÃî1zÆaL
2
2
1706.0km ±óV 2398.1km, ÉÊabõö¡J。2020 ç§Y. 1980 ç, ù©XÆVÒãäü, §©ý
ÅR«3RÅý±., {JKUbzmÆa, }±óýÅR«, 3Rz±óTÖ°±4u, ù©
ýÅRãäü( [ýÅR¡ 50、100、250mm) 3R±. 6.11%、2.61% 0.96%。Ì&À=±XÆVÒ
÷tHo3R÷zJKÌÍ, ýÅRt!KÌÍ。%S¿À¡UbÉÊ«(PÉÊÅrtu=r°
ÁÂÃ。
>?@: XÆVÒ÷; ÅrdýÚ-;SCS h; Ub
ABCDE:P333.2 FGHIJ:A FKLE:1672643X(2023)03010108
LandusechangeaffectsstormwaterstoragecapacityoftheChaohuBasin
ZHOUWenqiang,MAYouhua,WULei,GAOYuan,ZHANXuejie
(CollegeofResourcesandEnvironment,AnhuiAgriculturalUniversity,Hefei230036,China)
Abstract:Inordertoexploretheimpactoflandusestructurechangeonthestormwaterregulationand
storagecapacity ,basedonthelandusedataandsoildatafrom1980to2020,therunoffgenerationand
distributionintheChaohuBasinunderdifferentrainfallscalesindifferentperiodswereanalyzedbycom
biningGISandSCSmodels.Theresultsshowthatfrom1980to2020,thelandusechangeinthebasin
mainlyshowedtheincreaseofconstructionlandandthedecreaseofcultivatedlandandforestland ;the
comprehensiveindexoflanduseinthebasincontinuedtoincrease ,withthehighintensitylandusearea
2
increasingfrom127to1,624km.Theareawithpoorpermeabilityincreasedfrom1,706.0to2,398.1
2
km from1980to2020,whichwasmainlyattributedtourbanexpansion.Comparedwith1980,under
differentlanduseconditions,therunoffincreasedsignificantlywiththesamerainfall,whichwasmainly
locatedintheHefeiareaoftheChaohuBasin ;however,withtheincreaseofrainfall,theeffectofrunoff
increasediminishedgradually,therunoffin2020increasedby6.11%,2.61% and0.96% underdif
ferentrainfallconditions (50,100and250mm).Therefore,itcanbeconcludedthatlandusechangeis
theprimaryfactorofrunoffchangeandrainfallcomesthesecond.Theresearchresultsareexpectedto
providesomereferencefortheurbanplanningandurbanstormwaterriskmanagementintheChaohuBa
sin.
Keywords:landusechange;stormwaterregulationandstoragecapacity;soilconservationservice
(SCS)model;theChaohuBasin
!"#$:20220708; %$:20221007
'()*: !"67289:5;(U2240203); Î-P%SG2%5;(YJS20210221)
+,-.: O²(1997—), ?, ÎI¤B, ?D%SG, %S´³¡XÆVÒ÷zNOÈÊ。
{|+,: ¾ (1989—), ?, ÎUB, CD, :I, %S´³¡NQRWNgj。