network for the detecon of atmospheric composion change

24th SPARC SSG Meeting, Berlin, November 1-4, 2016

NetworkfortheDetec-onofAtmosphericComposi-onChange:2016Update

HowNDACCsupportsSPARC?

Mar4neDeMazière(mar4ne@aeronomie.be)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

24th SPARC SSG Meeting, Berlin, November 1-4, 2016

FTIRinstrumentworkinggroup

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

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

24th SPARC SSG Meeting, Berlin, November 1-4, 2016

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