network for the detecon of atmospheric composion change
TRANSCRIPT
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
NetworkfortheDetec-onofAtmosphericComposi-onChange:2016Update
HowNDACCsupportsSPARC?
Mar4neDeMazière([email protected])RoyalBelgianIns.tuteforSpaceAeronomy(BIRA-IASB)
AnneThompson(NASA/Goddard)
MichaelJ.Kurylo(USRA/GESTAR),)
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
M.DeMazière&A.Thompson
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Observa-onalcapabili-esinNDACC
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
UTLS
10-20km
+FTIRisotopologuesofH2O,CH4,…!UTLS
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Ver-calresolu-on–exampleO3
10-20km
UTLS
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Sometechnical&scien-fichighlights
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FTIRinstrumentworkinggroup
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24th SPARC SSG Meeting, Berlin, November 1-4, 2016
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
ProgressastoLIDARdata
Ø Cri$calAssessmentandStandardizedRepor$ngofVer$calFilteringandErrorPropaga$onintheDataProcessingAlgorithmsoftheNDACCLidars
SupportedbyISSIØ 3AMTpapers
Cf.TUNERini$a$ve?
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
ProgressastoLIDARdata
• Toolsforstandardiza$onofdataprocessingdistributedtoLidarPIs
• Ozoneandtemperatureonly,withH2Ocomingup2017
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
ProgressastomicrowaveradiometryApartfromO3,H2OandClOü NewTemperatureradiometerwouldbereadyforNDACC
⇒15–65kmalt.T-profilesCf.sofaronlytemperatureprofilesfromlidarinNDACC
ü NewWindradiometryissuccessful– ZonalandmeridionalwindismeasuredbyobservingDopplershiYinpressurebroadenedemissionlinesofO3atmicrowavefrequencies
– Twotransi$onsareused:142.175GHzresp.110.836GHz– Observa$onsduringdayandnight,alsoincloudycondi$ons
– Typicallyonewindprofileinafewhours
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MicrowavewindradiometerWIRAnowatAndoya,69°N
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Dobson/Brewernetwork
• Traceabilityforatmospherictotalcolumnozone(ATMOZ)
Hdp://projects.pmodwrc.ch/atmoz/index.php:Ø aimstosignificantlyenhancethereliabilityoftotal
ozonecolumnmeasuredattheEarthsurfacewithDobsoninstruments,Brewer-SpectroradiometerandArray-Spectroradiometer.
Ø Newmethodsofobserva-on(techniques,instrumentsandsoYware)aredevelopedtoprovidetraceabletotalozonecolumnmeasurementswithanuncertaintyoflessthan1%.
• WorkingtowardscentralizeddataprocessingforDobson
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Homogeniza-onofLongTermDataHomogenizinglongtermozonesondedatasetsinordertoreachthe
generalgoalsoftheSPARC/IO3C/IGACO-O3/NDACC“Ini$a$veonPastChangesintheVer$calDistribu$onofOzone”.Manuscriptspublishedandinprogress:• CanadianNetworkreprocessed:
Publica$on:Tarasicketal.,Atmos.Meas.Tech.,2016.• Uccle&DeBiltO3S-DQAcorrec$onsapplied:
Publica$on:R.VanMalderenetal.,Atmos.Meas.Tech.,2016.• SHADOZNetwork:JacquieWide-7SHADOZsta$onscomplete
soonwithoutlineofpapersplanned.• NOAANetwork:ChanceSterling:AlllongtermNOAAsta$ons
completedbyDec1.Manuscriptoutlinestarted.• Lindenberg,Germany:completedreprocessing.
Ozonesondes
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
• OHP:NeedtoaccountforswitchingfromSPCtoENSCIozonesondein1997andMODEMradiosondesin2007.Addi$onofECCcurrentinAMESfileinprogressforhomogeneiza$onproceduretobeapplied(donefor1991-1997and2016).Itwillnotbepossiblefor2004-2007(NOAAsoYwareperiod).
• Lauder:thehomogenisa$onworkiss$llunderway.• Emilio:Dr.NataliaPratswillbethePIoftheIzanaozonesonde
programme.Shewillimplementdatahomogeniza$onincollabora$onwithDr.HermanSmit(KFA).AspecificmissiontoKFAisschedulebytheend2016.
• OtherPIsareworkingontheirdatasets…
=>30sta$onsbytheendof2016
Homogeniza-onofLongTermData
Ozonesondes
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
• WorldCalibra$onCentreOzoneSondes:Jülich,Germany• 2x12dayperiodseachrunning10simula$ons
comparingozonesondeswiththereferenceUVphotometer.
• 4groupsadendingduringeach12dayperiod.Specialaden$onwillbepaidto:• Sensorbackgroundsignal• Pumpflowefficiency• SensingSolu$onComposi$on• Uncertain$es
JOSIE-SHADOZ2017campaign
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
WaterVapourledbyH.Vömel
• BringfrostpointsoundingsintoNDACC
• Coordinateobserva$onsofwatervaporwithinNDACC• Soundings(Frostpoint)• Lidars(CurrentlyonlyRamanlidar)• Microwaveradiometers(Stratospheric/Mesospheric)• FTIR(Troposphericwaterandisotopes)
Coordinateobserva$onswithothernetworks:• GRUAN• Opera$onalNetworks
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Stratosphericwatervapoursta-ons
Urgent need for inner tropical site for UTLS water vapor High altitude lidar or sounding site
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
SignificantdivergencesbetweenMLSandFPH/CFHatBoulder,LindenbergandLauder
since~2010.
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Networkexpansion
• NDACCiss$llgrowing• Newsitesin– Mexico,St.Petersburg,AddisAbbeba…(FTIR)– Australia(4Dobsonsta$ons)– …CandidatesitesinChina,Brazil,Korea,India…
• Siteselec$onsupportedbytheoryandanalysisworkinggroup
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Dataaccessanduse• Up-to-datearchivingandavailabilityofquality-controlleddataarecri$cal
⇒ DHFsubmissionhasbeenreducedfrom2yearsto1year,withacorrespondingshorteningofthe$mescaleforpublicrelease
⇒ moreaden$onhasbeenpaidtoavoiddatadelinquencyandthishashadano$ceableimpact
IsthereaneedtofacilitatetheuseofNDACCdatainSPARCini.a.ves?⇒ ProvidetooltoconvertbetweenGEOMSHDF&netCDF-CF?
⇒ Provideuser-orientedproducts?
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Dataaccessanduse
NDACCisnowrecognizedasakeynetworkforsuppor4ngthevalida4onoftheCopernicusAtmosphericMonitoringServiceInthiscontext,supportisbeingprovidedfor
- IncreasingthemovetoGEOMSHDF- Increasingtheamountofrapiddeliverydata(<1month)- Enhancingthequalitycontrolofthedata
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
TowardsFiducialReferenceMeasurements
=fullytraceable&documentedhigh-qualityreferencemeasurements
www.gaia-clim.eu
www.qa4ecv.eu
https://atmosphere.copernicus.eu/
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
NDACCasaReferenceNetwork
Consideringthein-situobservingsystemasa$eredsystemofsystems,basedonthemeasurementanddataquality,NDACCismaturingasareferencenetworkusingmaturitymatrixasaguideline
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
MaturitymatricesforNDACCMetadata Documentation Uncertainty
characterizationPublic access, feedback and
update
Usage Sustainability Software (optional)
Standards (4(2), 5(1))
Formal Description of Measurement
Methodology (3(2.5), 4(0.5))
Traceability (4(0.3),5(2.3), 6(0.3))
Access (4(2), 5(1)) Research (4(1),5(1),6(1))
Siting environment
(4(2),5(1))
Coding standards (1(1),3(2))
Collection level (3(3))
Formal Validation Report (5(2),6(1))
Comparability (4 (2.5), 5(0.5))
User feedback mechanism
(2(1),6(2))
Public and commercial exploitation
(1(1),5(1),6(1))
Scientific and expert support
(3(2), 4(0.5),5(0.5))
Software documentation
(1(1),4(2))
File level (5(2.5), 4(0.5))
Formal Measurement Series User Guidance
(6(2), 4(1))
Uncertainty Quantification (1(1),
4(2))
Updates to record (4(1),5(2))
Programmatic support
(3(1),4(2))
Portability and numerical
reproducability (1(1),3(2))
Routine Quality Management
(1(1),4(2))
Version control (3(1), 5(2))
Security (1(3))
Long term data preservation (4(3))
1 2 3 4 5 6 Not applicableLegend
DonesimilarlyforUVVIS,FTIR,LIDAR&MWtechniquesinNDACC
comprehensive baseline reference
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Metrologicaltraceabilityofreferencedata
Aims:-Improvetraceabilityofmeasurementprocess,dataprocessinganduncertaintyquan$fica$on-Establishacompleteandunbrokenuncertaintychaintracingback toanacceptedcommunitystandard(ideallySIunits)
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Key
Mainprocess
Subprocess/subrou$ne
Decisionprocess
Dataset
Terminalobject
FTIRprocessingchain
BIRA,Belgium
Non-datanumericalobject
Retrievalsofware
FTIRAbsorp$
onspectra
apriori
(WACCMv6,
sonde,aircraY,
…)
NCEPTemperat
urePressure
Spectroscopicdata(HITRAN)
LINEFIT
FTIRHBrcellspectrameasureme
nts
Meteosta$onmeasurements
(surfacetemperature,windspeed,
surfacepressure,RH,solarsunintensity)
Retrievalqualityfiltering
Retrievalstrategy
(microwindow,regulariza$onstrength,interferingspecies,…)
Qualityfilteringcondi$onson
retrievaloutput:qualityoffit,DOF’s,...
GEOMSFTIRDATA
Ephemerides
(SZA,AZIM)
GEOMSFTIRtemplate,TAV
Solarspectroscopy
FTIRAbsorp$
onspectra
MeasurementQualityFiltering
ILS
Retrievaloutput
Uncertaintyinput
(co)variancematrices
(NCEPdata,WACCMdata,SZA,
…)
SNR
FTIRPhysicalmodelchain
Instrument/Physicalitems
PhysicalQuanity
SolarRadiance
Solartracker
InterferometerLaser
Detectors
RawVoltageorAmperesignalsignalfromlight
sourcedetector
Interferogram:Intensityvspathdifference
FastFourierTransform
SolarlightSpectrum(uncalibrated)Intensityvswavenumber
GEOMSHDFcreationroutine
RawVoltageorAmperesignalformlaserlightLam
p
Lowpressuregascell
(HCL,HBr,N2O,…)inlightbeam
LampSpectrumwithoutcell(uncalibrated)Intensityvswavenumber
LampSpectrumwithcell(uncalibrated)
Intensityvswavenumber
SolarlightSpectrumwithcell(uncalibrated)
Intensityvswavenumber
SolarlightSpectrumwithoutcell(uncalibrated)Intensityvswavenumber
ForInstrumentlineshapees$ma$on
Foratmosphericgascolumn/profilees$ma$on
RaytracingtoolLOScalcula$on
ExampleofFTIRtraceabilitychainSeealsohdp://
www.gaia-clim.eu/page/traceability-model-diagrams
Metrologicaltraceabilityofreferencedata
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
FRM4GHG&FRM4DOAS=ESAsupportedeffortsforachieving‘FiducialReferenceMeasurements’asthereferencedataforsatellitevalida$on• FRM4GHGorFiducialReferenceMeasurementsforGreenHouseGases
→1-yearcampaigninSodankylain2017toassessandharmonisecapabili$esforgreenhousegasmeasurementswithvariousinfraredspectrometers,includingmorecompact,mobileinstruments
• FRM4DOASorFiducialReferenceMeasurementsforGround-BasedDOASAir-QualityObserva$ons
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
FRM4DOAS
• DevelopprototypesystemforcentralisedprocessingofMAXDOASdatainsupportofsatellitevalida$on
• FocusonNO2andHCHOprofiles+O3columnsØ NetworkreadinessassessmentØ BestPrac$cesforinstrumentopera$onØ Round-robinselec$onofMAXDOASretrievalmethodsØ ImplementanddemonstratesystemondatafromCINDI-2campaign
FiducialReferenceMeasurementsforGround-BasedDOASAir-QualityObserva$ons
Projectkicked-offinAugust2016for2years
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
CINDI-2intercalibra-oncampaign
Cabauw,TheNetherlands,1-30September201630par$cipants
33
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
ExpectedFRMresults1. DOAS&MAXDOASproductsforNO2,HCHO,O3 (columnsandprofiles,includinglowertropospheric
profiles)FTIRproductsforO3,CO,CH4,CO,CO2
(columnand/orprofiles)thatareharmonised,traceable,documentedincludingfulluncertaintybudgets2. Quality-cer$fiedmorecompactinstrumenta$on3. NewMAXDOAScapabilityinNDACC4. ExperiencewithcentralisedprocessingforDOAS-type
data
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Othernews
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
NDACCSpecialJournal(s)Issue• Commemora$ng25yearsofGlobalAtmosphericResearch
Enabled/EnhancedbyNDACC/NDSCObserva$ons• Jointspecialissue– 3Journals(EarthSystemScienceData,AtmosphericChemistryandPhysics,andAtmosphericMeasurementTechniques)
– 7interna.onalscien.stshaveagreedtoserveasCo-Editors• Already19publica$ons;moretocome– anopportunityforjointNDACC/SPARCAc.vitypublica.ons?
NDACCWebSitewww.ndacc.org• re-designisinprogress• Easieraccesstomeasurementandmodeldata
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
hjp://eospso.nasa.gov/earthobserver/september-october-2016
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
TheNDACCSteeringCommijeeandScienceTeamlookforwardtocon-nuingourproduc-verela-onshipwiththeSPARCProject.Inpar4cular:NDACChasalotofcapabili4estosupport• SSiRC&VoIRES(VolcanoResponseplanforthenextmajor
erup$on);cf.largenumberofNDACCpapersrelatedtoPinatuboerup$onandpost-Pinatuboeffectsl
NDACCwouldliketobepartofWhitePaperwri$ngteam(e.g.,J.Hannigan)
• LOTUS(Long-termOzoneTrendsandUncertain$esintheStratosphere),I.Petropavlovskikh,NOAA+D.Hubert,BIRA
• ATC• OCTAV-UTLS• …NDACCisinterestedinlearningaboutnewobserva-onalrequirements
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Thank you
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Posi-vetrendsinSouthernHemispherecarbonylsulfideStefanieKremser,NicholasB.Jones,MathiasPalm,BernardLejeune,Yu$ngWang,DanSmale,NicholasM.DeutscherGRL,Vol:42,Pages:9473–9480DOI:10.1002/2015GL0658796November2015KeyPoints-Firstobservedposi$vetrendinOCSintheSouthernHemisphere-ObservedtrendsindicateimbalancedOCS-budget-Temporalstructureoftrendissimilaracrossmiddle-andhigh-la$tudesites
24th SPARC SSG Meeting, Berlin, November 1-4, 2016
Wangetal.,2016TowardsunderstandingthevariabilityinbiosphericCO2fluxes:usingFTIRspectrometryandachemicaltransportmodeltoinves-gatethesourcesandsinksofcarbonylsulfideanditslinktoCO2