HYDRO BASIN-WQ-Water Quality Simulation水質(zhì)模擬課件

MIKEHYDROBASIN

WaterQualitySimulation?DHI#1

WaterQuality(BASINModule)?DHI#2

TheWaterquality(WQ)moduleisbasedonECOLab,whichisahighlyflexibleframeworkfordefiningwaterqualitymodels.ECOLabutiliseaconceptoftemplateswherewaterqualitymodelsaredefinedwithequationsandvariables,andthewaterqualityoptiontherefore,allowstheusageofdifferentwaterqualitymodels/templatesdependingontheissueofconcern.MIKEHYDROBasininstallationincludestwopredefinedwaterqualitytemplatesthatcanbeappliedasis-orcanbeadjustedbytheusertoconformwiththespecificprojectrequirements.可以使用不同的水質(zhì)模型兩個(gè)預(yù)定義模板可以自定義編寫MIKEHYDROBASINWQTemplates預(yù)定義水質(zhì)模板水質(zhì)遷移轉(zhuǎn)化過(guò)程?DHI#3

大氣復(fù)氧有機(jī)物降解硝化反硝化磷的反應(yīng)過(guò)程大腸桿菌衰減MIKEHYDROBASINWQTemplates預(yù)定義水質(zhì)模板水質(zhì)遷移轉(zhuǎn)化過(guò)程?DHI#4

Arrhenius溫度控制方程BODNH4NO3MIKEHYDROBASINWQTemplates預(yù)定義水質(zhì)模板水質(zhì)遷移轉(zhuǎn)化過(guò)程?DHI#5

P_totE.coli&USERMIKEHYDROBASINWQTemplates預(yù)定義水質(zhì)模板水質(zhì)遷移轉(zhuǎn)化過(guò)程?DHI#6

DOMIKEHYDROBASINWQTemplates預(yù)定義水質(zhì)模板參數(shù)表?DHI#7

C:\ProgramFiles(x86)\DHI\2014\MIKEZero\Templates\ECOLabModelInput?DHI#8

污染負(fù)荷量-點(diǎn)源、面源模擬水質(zhì)指標(biāo)污染物滯留時(shí)間ModulesWaterqualitydefinition-GeneralEulerRK4RKQCAccuracy(計(jì)算精度)：低→高Computingtime(計(jì)算速度)：快→慢Waterqualitydefinition-Locationsandparameters?DHI#11

LocationSubTypeInitial初始值Source污染源PointSource污染點(diǎn)源Groundwater(不同類型)只用于catchment的地下水-GroundwaterLayer1Decayconstants-GroundwaterLayer2Decayconstants-GroundwaterLayerFluxBoundanyLocations-Groundwater#12

Waterqualitydefinition-Locationsandparameters?DHI#13

ConservativeTransport（保守傳輸）不考慮污染物的衰減過(guò)程Locations-ResidenceTimeCalculation?DHI#14

UserdefinedResidenceTimeandWaterDepth用戶指定滯留時(shí)間（如果選擇模擬DO，必須指定水深和河道長(zhǎng)度）V=Q*TUserdefinedWaterDepth用戶指定水深（必須指定河道長(zhǎng)度寬度）inWaterlevelcalculationV=w*L*hT=V/QCalculatedWaterDepth計(jì)算水深和滯留時(shí)間（必須指定水位計(jì)算方式）inWaterlevelcalculationV=w*L*hT=V/QNoneNoDecay=conservativetransport不考慮污染物衰減FromRouting通過(guò)流量計(jì)算（必須指定流量計(jì)算方法）InFlowroutingmethodT=S/Q(不需要指定河道長(zhǎng)度)LoadCalculator#15

LoadCalculator#16

LoadCalculator#17

Source#18

圖層名ID項(xiàng)數(shù)據(jù)項(xiàng)單位負(fù)荷量（人口、畜禽、種植肥料、點(diǎn)源）距離降解系數(shù)修正系數(shù)（i.e.處理率、徑流系數(shù)等）類別名Source名CatchmentCatchment