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air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
WRF-HydroOverviewforGEWEXMee5ng
DavidGochisandRoyRasmussenNCAR
May2,2016
Actionable Water Intelligence Global to Street Scale
2
GLOBAL
NATIONAL à REGIONAL WATERSHED
STREET
Where?
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
2.WRF-HydroSystemDescrip5on
Acommunity-based,supportedcouplingframeworkdesignedtoprovide:1. Anextensiblemul$-scale&mul$-physicsmodelingcapabilityfor
conservaDve,conDnuous,coupledanduncoupledassimila$on&predic$onofmajorwatercyclecomponentssuchasprecipitaDon,soilmoisture,snowpack,groundwater,streamflow,inundaDon
2. ‘Accurate’and‘reliable’streamflowpredicDonacrossscales(from0-orderheadwatercatchmentstoconDnentalriverbasins&minutestoseasons)
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
2.WRF-HydroModelingFramework:• MulD-scale/MulD-physicsmodeling…
Reservoir of Capability
LSM!(Noah-MP, etc.)!
WRF HYDRO COMMUNITY MODEL!
Routing!(RAPID, etc.)!
Terrain routing!
Icing and Related!Cloud Physics!
Model!evaluation!Data!
assimilation!
HYD
RO
LOG
IC!
SCIE
NC
E A
DVA
NC
ES!
APP
LIC
ATIO
NS!
TEC
HN
OLO
GY!
Forcing data!
Geospatial products!
Parameter estimation!
Water management!
Remote sensing!
HydrometeorologicalModelingSystemChain:
3.TerrainRou5ngModules
2-waycou
pling
4.GriddedChannelRou5ng(100m)
2.LandSurfaceModels
1.MeteorologicalForcingEngine
StreamflowRiverStage
FlowVelocityReservoirStorage
&Discharge
StreamInflow,Inunda5onDepth,GroundwaterDepth,SoilMoisture
https://www.ral.ucar.edu/projects/wrf_hydro!
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
WRF-HydroProcessPermuta5onsandSystemFeatures• ~180possible‘physics’component
configuraDonsforstreamflowpredicDon:– 3up-to-datecolumnphysicslandmodels
(Noah,NoahMP,CLM4.0)– 3overlandflowschemes(DiffusiveWave,
KinemaDcWave,DirectbasinaggregaDon)– 4lateral/baseflowgroundwaterschemes
(Boussinesqshallow-saturatedflow,2daquifermodel,DirectAggregaDonStorage-Release:pass-throughorexponenDalmodel)
– 5channelflowschemes:Diffusivewave,KinemaDcWave,RAPID-MuskingamforNHDPlus,CustomNetworkMuskingam/MuskingamCunge
• Level-poolreservoirwithparameterizedoractualdischargespecificaDon
• DataAssimilaDon:– NaDonalnudging-basedstreamflowDAsystem– DART,filter-basedhydrologicdataassimilaDon
Theintegratedmodelingchain
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
WRF-HydroCommunityApplica5ons:
PastorcurrentimplementaDons
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
StreamflowForecas5ngSupportfortheNa5onalWaterCenter
Goals:• Guidanceforcurrently
underservedlocaDons• SpaDallyconDnuous
esDmatesofhydrologicstatesforthenaDon
• InterfacewithadvancedgeospaDalintelligenceframework
• EarthsystemmodeldevelopmentapproachthatpermitsrapidmodelevoluDonofnewdata,scienceandtechnology
Objec5ve:Opera5onalizeaCONUSdomain,distributedstreamflowpredic5oncapabilityusingWRF-HydroatNCEP
NWS National Water Model WRF-Hydro System
configuration!!!
5. Channel & ! Reservoir! Routing! Modules!
4. NHDPlus Catchment! Aggregation! (2.6M unique! catchments and! river reaches)!
2. NoahMP LSM !(1 km grid)!
1. WRF-Hydro Forcing Engine! (1 km grid)!
3. Terrain Routing! Module! (250 m grid)!2-way coupling!
Forecast!Products!
https://www.ral.ucar.edu/projects/wrf_hydro!
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
3.IOCWRF-HydroSystemConfigura5on:• NHDPlusV2-EncompassingDomain• 1kmNoahMPlandmodel:
– USGS-NLCDlandcover(2011)– NRCSSTATSGO,1kmsoils– ClimatologicalvegetaDonstructure(v1.0)
• 250mrouDng– Diffusivewaveoverlandflow– Saturatedsubsurfaceflow– NHDPlusv2catchment-basedbaseflow
parameterizaDon
• NHDPlusv2channelrouDng– Muskingum-Cunge– oCONUSmanualprocessing….– 1651passive,level-poolreservoirs
• Benchmarkinginprogress:18year1998-2015conDnuousrun– NLDAS2/NARR,– StageIV/II
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
Na5onalWaterPredic5onModelConfigura5ons
ShortRange LongRangeAnalysis&AssimilaDon
Hourly Hourly Daily(4x4)
-3hrs
CyclingFrequency
WRF-HydroConfigura5on
0-18hrs 0-30days
ForecastDura5on
1km/250m/NHDPlusreach
1km/250m/NHDPlusreach
1km/NHDPlusreach
Spa5alDiscre5za5on&Rou5ngPhysics
MRMSblend/dwnscaledHRRR/RAPanal
DownscaledHRRR/RAPblend
Downscaled&Bias-CorrectedCFS
MeteorologicalForcing
MediumRange
Daily
0-10days
1km/250m/NHDPlusreach
DownscaledGFS
Reservoirs
Movie(slideshowtoview)
14
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
UpcomingDevelopments:
• NaDonalWaterModeloperaDonalonJun15,2016• CommunitySupport– 2Tutorials/yr.– UserWorkshop– Releaseofmodelsupporttools(Rwrkydro,met.forcingengine,visualizaDontools)
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
Acknowledgements
ExternalContributors
• BrianCosgrove(NOAA/OHD)• B.Fersch,T.Rummler(KIT-Germany)• AlfonsoSenatore(U.Calabria-Italy)• A.ParodiandE.Fiori(CIMA-Italy)• AmirGivaDandErikFredj(IsraeliHydr.Service)• LuLi(BierknesInst.)• K.Mahoney(CU-CIRES)• E.Vivoni,T.Xiang(ASU)• Col.StateUniv.CHILL-team• SujayKumar,ChristaPeters-Lidard(NASA-Goddard)• PeirongLin,Z.-LiangYang,D.Maidment(U.Texas-AusDn)• I.Yucel,(U.Ankara-Turkey)
Supportprovidedby:
• NSF-NCAR-STEPprogram,EarthCube,ETBC,WSC• NOAA-OHD• NASA-IDS• CUAHSI• DOE-ESM• USBRWaterSmart&DamSafetyPrograms• ColoradoWaterConservaDonBoard• TexasDept.ofEnvironmentalQuality&TexasA&MU.
NCARDevelopment,Evalua5onandAdvisingTeam:WeiYu,DavidYates,KevinSampson,AubreyDugger,JamesMcCreight,MikeBarlage,YongxinZhang,MukulTewari,RoyRasmussen,AndyWood,FeiChen,MartynClark
air • planet • people Hydrologic Prediction with the Community WRF-Hydro System
Thankyou.
WRF-Hydro:hpp://www.ral.ucar.edu/projects/wrf_hydro/FundingforWRF-Hydroprovidedby:NSF,NOAA-OHD,NASA-IDS,DOE-ESM
THANKYOU….
R.RASMUSSEN,[email protected]
D.GOCHIS,[email protected]
B.COSGROVE,[email protected]
E.CLARK,[email protected]
WRF-HYDRO:HTTP://WWW.RAL.UCAR.EDU/PROJECTS/WRF_HYDRO/
FUNDINGFORWRF-HYDROPROVIDEDBY:
NSF,NOAA-NWC,NASA-IDS,DOE-ESM
