June 10 2019FurtherinfosWulfmeyerBAMSWulfmeyerthissessionTurnerWarmBoundaryLayerProcessesTurnerPosterWulfmeyerPosterThe LandAtmosphere Feedback Experiment LAFEPIs Volker Wulfmeyerand David D Turner1 ID: 872766
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1 ARM/ASR PI Meeting, Rockville, USA June
ARM/ASR PI Meeting, Rockville, USA June 10, 2019 Furtherinfos:WulfmeyerBAMSWulfmeyerthissessionTurnerWarmBoundaryLayerProcessesTurnerPosterWulfmeyerPoster The Land-Atmosphere Feedback Experiment (LAFE) PIs: Volker Wulfmeyerand David D. Turner1: Institute of Physics and Meteorology (IPM), University of Hohenheim (UHOH), Stuttgart, Germany2: Earth System Research Labor
2 atory (ESRL), NOAA, Boulder, USA Acknowl
atory (ESRL), NOAA, Boulder, USA Acknowledgement: A Behrendt, C J Senff, M. Buban, T. Lee, H-S Bauer, A Brewer, F Späth ARM/ASR PI Meeting, Rockville, USA June 10, 2019 objectivesareto:I.Determineprofilesinvestigatenewrelationshipsgradients,variances,fluxesII.Mapsurfacemomentum,heat,latentheatfluxessynergyscanninghumidity,temperaturesystemsIII.Characterizeatmospheref
3 eedbackmoisturebudgetsitenewsynergyIV.Ve
eedbackmoisturebudgetsitenewsynergyIV.VerifylargesimulationimproverepresentationsLAFEObjectives and Realization 1500 m NCAR Towers SPARC NOAAandUHOHscanninglidarsynergy ARM/ASR PI Meeting, Rockville, USA June 10, 2019 relationshipforwatervaporentrainment Forwatervaporvariance: WulfmeyerTurnerJTECHWulfmeyerJASreviewI) Entrainment Fluxes and Variances ARM/ASR PI Meetin
4 g, Rockville, USA June 10, 2019 Monin-Ob
g, Rockville, USA June 10, 2019 Monin-ObukhovSimilarity Theory Richardson Number ApproachLee and Buban, JAMC, submittedII) Surface Layer Studies ConsiderablybetteragreementachievedwithRichardsonapproach,otherregions. ARM/ASR PI Meeting, Rockville, USA June 10, 2019 ObservationsquestionthevalidityofMonintheory.Advancedparameterizationsofsurfacefluxesincomplexterrainne
5 cessary?II) Surface Layer Studies 024681
cessary?II) Surface Layer Studies 02468101214100 Height [m]Horizontal Wind Speed [m/s] Lidar MOST 1012141618202224262830Temperatur [°C] 6789101112Humidity [g/mEBC Data Tower 2: u* =0.365 m/s=244.0 W/m=245.0 W/m=27.14 K=10.93 g/m=1 m19:30UTC14:30LT)= 2 m= 10 mDIAL ARM/ASR PI Meeting, Rockville, USA June 10, 2019 IV) Simulation of LAFE Cases points,resolution point
6 s,resolution points,resolutionForcedbyEC
s,resolution points,resolutionForcedbyECMWFcyclepossibleusing3DVARNOAHMPsoilandlandcoverdataCurrentpar.set:RRTMG,MOSTJimenezadvancedYSU,cloudmicrophys. ARM/ASR PI Meeting, Rockville, USA June 10, 2019 SummaryprocessedfurthertoaddressallfourscientificobjectivesFirstsimultaneousmeasurementofsensibleandlatentheatfluxprofilesTestanddevelopmentofnewrelationshipsbetweenvar
7 iances,fluxes,andgradientsMOSTquestioned
iances,fluxes,andgradientsMOSTquestionedbyLAFEobservations,RichardsonapproachseemstoworkmuchbetterWatervaporbudgetanalysesongoing(notNestedmodelconfigurationforsimulationsdowntothepermittingscaleavailableResultswillbeusedtoverifyLESandturbulenceparameterizationsaswellastodevelopnewones.Greatopportunityforprocessstudiesandcollaborationsmergingobservationalistsandmodel