Page 49 - 《水资源与水工程学报》2022年第2期
P. 49

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

            DOI:10.11705/j.issn.1672-643X.2022.02.06


                                   /2H0212q3dAB



                                                    CUV, WXY
                                      ( ͧŽa3% U/(%ga%j, ¬¯ ͧ 030024)
                 C D: uœÂ~­Õ~ÛG€cd)´,Ã、 G€A…mŒp#$, gh/Cw@ú‡‚T4Fœt, þ•U˜
                 %qUÞ%" 6 #;YRœœhiÂ~­Õ~ÛpG€A…, àmŸÄ|ëg;Y ¡9Žëhi。 ¡¢
                 £: È3‡‚pG€A…o¼qpDâ)µ,1、2 q 12 ~xG€A…Ò,3 ~xG€A…K3, b¦¨ÄŸG€
                 A…3‹Bğ; k 1996 ¤H , È3‡‚G€A…p¤1|•b¦Kƒ,1997-2008 ¤|•¹º,2008 ¤H
                 7§·¸n3ª«; ¤^|•·¸Dâ, ¾/C‡‚ 3 ~x|•Kƒ, @ú‡‚ 3 ~x|•×, ØBCš
                 M 3 ~xÂ~­Õ~UpxĕUqUÐUœ¹Õ~ÛG€µfprs。œœ 6 #Rp;Y ¡, p~¦•
                 mz•‹Â~A,1、2、12 ~xG€A…ˆÅþ• Tennant ;Y ¡, @‚•UŸp;YˆÅ Q , ğˆ
                                                                                               p
                 Ť^‡º,3 ~x/C‡‚ˆÅjQ、 @ú‡‚ˆÅ Tennant , ˆÅR;Ypp~G€A…ڝIJM
                 N¤^mqUŸp\“Dâ, *TÂ~­ÕG€]ßa:”¡¤š。
                 EFG: G€A…; U˜%; UÞ%; |ë; Â~­Õ
                 HIAJK:TV213;P333   LMNOP:A    LQRK:1672643X(2022)02004509
                       AnalysisonecologicalflowinthemiddlereachesofFenRiver


                                                 LIMengyao,FUXingtao
                       (CollegeofHydroScienceandEngineering,TaiyuanUniversityofTechnology,Taiyuan030024,China)
                 Abstract:Inviewofthedestructionofecologicalenvironmentandshortageofecologicalflowinthemid
                 dlereachesofFenRiver,weselectedLancunsectionandZhaochengsectionasthetypicalresearchob
                 jectstoanalyzetheecologicalflowusingsixhydrologicalandhydraulicmethods,andthentherationality
                 andguaranteerateofthecalculationresultswerediscussed.Theresultsshowthattheecologicalflowof
                 thetwosectionshadthesamevariationpattern,whichwaslowinJanuary,FebruaryandDecember,but
                 highinMarch ,andhigherinfloodseasonthanthatinnonfloodseasononthewhole.Theinterannual
                 guaranteerateofthetwosectionswasgenerallyhighbefore1996 ,butdecreasedfrom1997to2008,and
                 increasedwithfluctuationsafter2008.Theguaranteeratefluctuatedwithintheyear ,buttheguarantee
                 rateofLancunsectionwashighinMarch,whilethatofZhaochengsectionwasverylow.Therefore,the
                 influenceofwateruseoftheirrigatedareasandstorageofreservoirsonthedownstreamriverecosystem
                 shouldbeconsidered.Bycomparingtheresultsofthesixmethods ,itisconcludedthatthemonthlyfre
                 quencymethodisnotsuitablefortheFenRiverBasin ;therecommendedmethodforthecalculationofec
                 ologicalflowisTennantmethodforJanuary,FebruaryandDecember,theQ methodforthegeneralwater
                                                                                p
                 useperiod,andthedynamicmethodforthefloodseason;inMarch,thewettedperimetermethodisrec
                 ommendedforLancunsectionbutTennantmethodforZhaochengsection.Therecommendedmonthlyec
                 ologicalflowprocesscanreflectthechangeofhighandlowflowindifferentwaterperiodsoftheyearand
                 provideatheoreticalbasisfortheecologicalrestorationintheFenRiverBasin.
                 Keywords:ecologicalflow;hydrologicalmethod;hydraulicmethod;guaranteerate;themiddlereaches
                 ofFenRiver

                !"#$:20210806; %&#$:20220111
                '()*: ¬¯#U/(%äå4FgˆY-.(2021LS032)
                +,-.: âòº(1997-), L, ¬¯”úO, uQ4FG, 4FRSTG€U˜。
                /0+,: úF¾(1982-), L, ¬¯Á0O, PQ, y<`, 4FRSTünopgUü:、 G€U˜。
   44   45   46   47   48   49   50   51   52   53   54