network for the detecon of atmospheric composion change

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),)


M.DeMazière&A.Thompson


Observa-onalcapabili-esinNDACC


UTLS

10-20km

+FTIRisotopologuesofH2O,CH4,…!UTLS


Ver-calresolu-on–exampleO3

10-20km

UTLS


Sometechnical&scien-fichighlights


FTIRinstrumentworkinggroup


ProgressastoLIDARdata

Ø Cri$calAssessmentandStandardizedRepor$ngofVer$calFilteringandErrorPropaga$onintheDataProcessingAlgorithmsoftheNDACCLidars

SupportedbyISSIØ 3AMTpapers

Cf.TUNERini$a$ve?


ProgressastoLIDARdata

•  Toolsforstandardiza$onofdataprocessingdistributedtoLidarPIs

•  Ozoneandtemperatureonly,withH2Ocomingup2017


ProgressastomicrowaveradiometryApartfromO3,H2OandClOü  NewTemperatureradiometerwouldbereadyforNDACC

⇒15–65kmalt.T-profilesCf.sofaronlytemperatureprofilesfromlidarinNDACC

ü  NewWindradiometryissuccessful–  ZonalandmeridionalwindismeasuredbyobservingDopplershiYinpressurebroadenedemissionlinesofO3atmicrowavefrequencies

–  Twotransi$onsareused:142.175GHzresp.110.836GHz–  Observa$onsduringdayandnight,alsoincloudycondi$ons

–  Typicallyonewindprofileinafewhours


MicrowavewindradiometerWIRAnowatAndoya,69°N


Dobson/Brewernetwork

•  Traceabilityforatmospherictotalcolumnozone(ATMOZ)

Hdp://projects.pmodwrc.ch/atmoz/index.php:Ø  aimstosignificantlyenhancethereliabilityoftotal

ozonecolumnmeasuredattheEarthsurfacewithDobsoninstruments,Brewer-SpectroradiometerandArray-Spectroradiometer.

Ø Newmethodsofobserva-on(techniques,instrumentsandsoYware)aredevelopedtoprovidetraceabletotalozonecolumnmeasurementswithanuncertaintyoflessthan1%.

•  WorkingtowardscentralizeddataprocessingforDobson


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


•  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


•  WorldCalibra$onCentreOzoneSondes:Jülich,Germany•  2x12dayperiodseachrunning10simula$ons

comparingozonesondeswiththereferenceUVphotometer.

•  4groupsadendingduringeach12dayperiod.Specialaden$onwillbepaidto:•  Sensorbackgroundsignal•  Pumpflowefficiency•  SensingSolu$onComposi$on•  Uncertain$es

JOSIE-SHADOZ2017campaign


WaterVapourledbyH.Vömel

•  BringfrostpointsoundingsintoNDACC

•  Coordinateobserva$onsofwatervaporwithinNDACC•  Soundings(Frostpoint)•  Lidars(CurrentlyonlyRamanlidar)•  Microwaveradiometers(Stratospheric/Mesospheric)•  FTIR(Troposphericwaterandisotopes)

Coordinateobserva$onswithothernetworks:•  GRUAN•  Opera$onalNetworks


Stratosphericwatervapoursta-ons

Urgent need for inner tropical site for UTLS water vapor High altitude lidar or sounding site


SignificantdivergencesbetweenMLSandFPH/CFHatBoulder,LindenbergandLauder

since~2010.


Networkexpansion

•  NDACCiss$llgrowing•  Newsitesin– Mexico,St.Petersburg,AddisAbbeba…(FTIR)– Australia(4Dobsonsta$ons)– …CandidatesitesinChina,Brazil,Korea,India…

•  Siteselec$onsupportedbytheoryandanalysisworkinggroup


Dataaccessanduse•  Up-to-datearchivingandavailabilityofquality-controlleddataarecri$cal

⇒ DHFsubmissionhasbeenreducedfrom2yearsto1year,withacorrespondingshorteningofthe$mescaleforpublicrelease

⇒ moreaden$onhasbeenpaidtoavoiddatadelinquencyandthishashadano$ceableimpact

IsthereaneedtofacilitatetheuseofNDACCdatainSPARCini.a.ves?⇒ ProvidetooltoconvertbetweenGEOMSHDF&netCDF-CF?

⇒ Provideuser-orientedproducts?


Dataaccessanduse

NDACCisnowrecognizedasakeynetworkforsuppor4ngthevalida4onoftheCopernicusAtmosphericMonitoringServiceInthiscontext,supportisbeingprovidedfor

-  IncreasingthemovetoGEOMSHDF-  Increasingtheamountofrapiddeliverydata(<1month)-  Enhancingthequalitycontrolofthedata


TowardsFiducialReferenceMeasurements

=fullytraceable&documentedhigh-qualityreferencemeasurements

www.gaia-clim.eu

www.qa4ecv.eu

https://atmosphere.copernicus.eu/


NDACCasaReferenceNetwork

Consideringthein-situobservingsystemasa$eredsystemofsystems,basedonthemeasurementanddataquality,NDACCismaturingasareferencenetworkusingmaturitymatrixasaguideline


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


Metrologicaltraceabilityofreferencedata

Aims:-Improvetraceabilityofmeasurementprocess,dataprocessinganduncertaintyquan$fica$on-Establishacompleteandunbrokenuncertaintychaintracingback toanacceptedcommunitystandard(ideallySIunits)


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


FRM4GHG&FRM4DOAS=ESAsupportedeffortsforachieving‘FiducialReferenceMeasurements’asthereferencedataforsatellitevalida$on•  FRM4GHGorFiducialReferenceMeasurementsforGreenHouseGases

→1-yearcampaigninSodankylain2017toassessandharmonisecapabili$esforgreenhousegasmeasurementswithvariousinfraredspectrometers,includingmorecompact,mobileinstruments

•  FRM4DOASorFiducialReferenceMeasurementsforGround-BasedDOASAir-QualityObserva$ons


FRM4DOAS

•  DevelopprototypesystemforcentralisedprocessingofMAXDOASdatainsupportofsatellitevalida$on

•  FocusonNO2andHCHOprofiles+O3columnsØ  NetworkreadinessassessmentØ  BestPrac$cesforinstrumentopera$onØ  Round-robinselec$onofMAXDOASretrievalmethodsØ  ImplementanddemonstratesystemondatafromCINDI-2campaign

FiducialReferenceMeasurementsforGround-BasedDOASAir-QualityObserva$ons

Projectkicked-offinAugust2016for2years


CINDI-2intercalibra-oncampaign

Cabauw,TheNetherlands,1-30September201630par$cipants

33


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


Othernews


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


hjp://eospso.nasa.gov/earthobserver/september-october-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


Thank you


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


Wangetal.,2016TowardsunderstandingthevariabilityinbiosphericCO2fluxes:usingFTIRspectrometryandachemicaltransportmodeltoinves-gatethesourcesandsinksofcarbonylsulfideanditslinktoCO2

network for the detecon of atmospheric composion change

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