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20183··2019429107,162d,960hm2。、,、A1,“2019”,“,”。,74km。1、、、、,1。,~。2019《2019(100048),、,;,,,。,III,,。;;;DOI:10.19671/j.1673-4637.2018.03.005X524A1673-4637(2018)03-0017-05:2018-05-10:(1986—),,。AnalysisonwaterqualityguaranteeoflandscapewatersysteminWorldHorticulturalExpositionParkofBeijingWEIZunli(BeijingInstituteofWater,Beijing100048,China)AbstractThroughtheintroductionofthelandscapewatersystemanditscirculationschemeinWorldHorti-culturalExpositionPark,theloadcalculation,theeffectofthesubmergedvegetationandthewaterecosystemareanalyzed.Itshowsthatthewaterqualityofthewetlandcanbasicallyreachtherequirementsaftertakingtheecologicalmeasures.Incontrast,thewaterqualityofthelakeareacanbasicallybeguaranteedundertheconditionofthecircularconnectionbetweenthelakeandthewetland,andthereconstructionofthewatere-cosystem.InordertoensurethesmoothprogressofWorldHorticulturalExpositionandensurethatthewaterqualityofthelandscapewateroftheexhibitiongardencanmaintainsurfacewaterattypeIIIlevel,somerea-sonableoptimizationsuggestionsarealsoputforwardtoprovidereferencefortheproject.KeywordsWorldHorticulturalExpositionPark;waterquality;constructedwetland;waterecosystem·17···20183》,、,III,,[1]。1.1(1)。,7m2,2m,14m3。,,(《2019》,)。、,。,、。(2)。。(3)。、,,、、,“”“”。、,、,,“、”。:、、、、。1.2(1)。、。5.3m2,,0.8~2.0m,9.23m3。,7200m3/d,300m3/h。DB11/T1300—2015《》。(2)。,,。TNTP,、。,,1。(3)。,,,(、)、()(),。,、、、、。1.3(1)。9480m2,,。、、。。,,3DN300mm。(2)。,3565m2,,(1),。478.5m,0.5m,1.5m。。,,,。(3)。5350m2,1NH3-NTNTPCODCr/(mg/L)≤1.0≤10≤0.2≤20/(mg/L)≤1.0≤1.0≤0.05≤201·18·20183··1.5m。———,,。(4)。、,1.8m2,,、。,,,。22。“、”,。“”:,DN500mm,;“”:,,DN500mm,;“”:,,,;“”:,,,。3、、、、,。,22.84m3。:2cm/d[1],95.2m3,()++,2,28m3,146m3。3.13.1.19.23m3,7200m3/d,12.87d,5—10。,III(),TNTP,TN1.0mg/L,TP0.05mg/L,TN10mg/L,TP0.2mg/L,104。,146m3,TN13.14t、TP219kg,TN0.25kg/m2·a,TP4.13g/m2·a,,。3.1.2,。,,,。-、、、[2](3)。:TN,CTN=7.29e(-0.048t)、CTN=6.55e(-0.033t),0.0480.033。,、:TP,TP0.2mg/L,、30dTP0.1、0.120.15mg/L[3,4]。、,,,,,。,。3.1.3(),、、2·19···201834。,“”,、。,,,。3.2,7200m3/d,,。,,,,“”“”“”,、[5]。、,,,。、、。2008,,,“———”。,、、、“”“”,,、、,,。NH3-N,,2。,,TN0.28~0.98mg/L,TP0.019~0.044mg/L,COD6~11mg/L,III(),,,[6,7](4)。3.3、,3-TN/(mg/L)TP/(mg/L)NH3-N/(mg/L)COD/(mg/L)()160.2440.33831100.21202、·20·20183··,,、,,,,。44.1,、,;,,,,。,、,。(1)12d,7200m3/d,。,2。(2)14m3,7200m3/d,19.5d,,,,,,。(3),,、,,。4.2(1),TN,(30d),2019429,,,201891,20189—10,III。(2),、,。(3),,。,。(4),,。(5)。①。,,、,,。②,,。5,:7200m3/d,;,,,。,,。[1].[R].2015.[2],,,.[J].,2011,27(1):51-54.[3],,,.CODMn、TNNO3-N[J].,2012,21(4):29-34.[4],,,.3[J].,2015,45(1):141-145.[5],,,.[J].:,2009,45(5/6):520-523.[6],.[J].,2015,1:36-38.[7],,,.[J].,2011,20(3):457-461.(:)·21·
本文标题:北京世园会园区景观水系水质保障分析魏尊莉
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