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This is a working document showing the conversion status for publishing E3SM data to CMIP6. The variables listed are unordered, and pulled from the priority 1 request list as well as scientist input. If you think that an important variable is missing please add it.

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CMIP6 nameCMIP6 descriptionE3SM variable(s)conversion formulaCMOR handler completeconversion formula verified by
1tasNear-Surface Air TemperatureTREFHTtas = TREFHT, no changeyesJ.Zhang
2tsSurface TemperatureTSts = TS, no changeyesJ.Zhang
3pslSea Level PressurePSLpsl = PSL, no changeyesJ.Zhang
4psSurface Air PressurePSps = PS, no changeyesJ.Zhang
5sfcWindNear-Surface Wind SpeedU10sfcWind = U10, no changeyesJ.Zhang
6hussNear-Surface Specific HumidityQREFHThuss = QREFHT, no changeyesJ.Zhang
7prPrecipitationPRECC PRECLpr = (PRECC  + PRECL) * 1000yesJ.Zhang
8prcConvective PrecipitationPRECCprc = PRECC * 1000
J.Zhang
9prsnSnowfall FluxPRECSC, PRECSLprsn = (PRECSC + PRECSL) * 1000yesJ.Zhang
10evspsblEvaporation Including Sublimation and TranspirationQFLXevspsbl = QFLX, no changeyesJ.Zhang
11tauuSurface Downward Eastward Wind StressTAUXtauu = TAUX, no changeyesJ.Zhang
12tauvSurface Downward Northward Wind StressTAUYtauv = TAUY, no changeyesJ.Zhang
13hflsSurface Upward Latent Heat FluxLHFLXhfls = LHFLX, no changeyesJ.Zhang
14cltTotal Cloud Cover PercentageCLDTOTclt = CLDTOT * 100., unit conversion
yesChris Golaz
15rldsSurface Downwelling Longwave RadiationFLDSrlds = FLDS, no changeyes

J.Zhang

Chris Golaz

16rlusSurface Upwelling Longwave RadiationFLDS, FLNSrlus = FLDS + FLNSyes

J.Zhang

Chris Golaz

17rsdsSurface Downwelling Shortwave RadiationFSDSrsds = FSDSyes

J.Zhang

Chris Golaz

18rsusSurface Upwelling Shortwave RadiationFSDS, FSNSrsus = FSDS - FSNSyes

J.Zhang

Chris Golaz

19hfssSurface Upward Sensible Heat FluxSHFLXhfss = SHFLXyesJ.Zhang
20clPercentage Cloud CoverCLOUDcl = CLOUD *100., on model levels, unit conversion

Chris Golaz
21cliMass Fraction of Cloud IceCLDICEcli = CLDICE on model levels

Kai Zhang

Note: for consistency with clivi, don't include snow in cli.

22cliviIce Water PathTGCLDIWPclivi = TGCLDIWP

Kai Zhang

Note: TGCLDIWP doesn't include snow water path.

23clwMass Fraction of Cloud Liquid WaterCLDLIQclw = CLDLIQ on model levels

Kai Zhang

Note: for consistency with clwvi, don't include rain in clw. 

24clwviCondensed Water PathTGCLDCWPclwvi = TGCLDCWP

Kai Zhang

Note: TGCLDCWP doesn't include rain and snow water path.

25hurRelative HumidityRELHUMhur = RELUM interpolated to 19 pressure levels
Chris Golaz
26hursNear-Surface Relative HumidityRHREFHThurs = RHREFHT

27husSpecific HumidityQhus = Q interpolated to 19 pressure levels
Chris Golaz
28mcConvective Mass Flux



29o3Mole Fraction of O3O3To verify, interpolated to 19 pressure levelsNeed input from Philip Cameron-Smith (Unlicensed)
30pfullPressure at Model Full-LevelsP0, PS, hyam, hybmpfull = P0*hyam + PS*hybm
Chris Golaz
31phalfPressure on Model Half-LevelsP0, PS, hyai, hybiphalf = P0*hyai + PS*hybi
Chris Golaz
32prwWater Vapor PathTMQprw = TMQ
Chris Golaz
33rldscsSurface Downwelling Clear-Sky Longwave RadiationFLDS, FLNS, FLNSC
rldscs = FLDS + FLNS - FLNSC

Chris Golaz
34rlutTOA Outgoing Longwave RadiationFSNTOA, FSNT, FLNT

rlut = FSNTOA - FSNT + FLNT


Note: equation originally from NCAR. Using this ensures that individual TOA terms (SW, LW, up/down) are consistent with TOM net flux (rtmt):

rtmt = rsdt - rsut - rlut

Chris Golaz

35rlutcsTOA Outgoing Clear-Sky Longwave RadiationFLUTCrlutcs = FLUTC

Note: slight approximation here since we are using TOM, but NCAR does the same.

Chris Golaz

36rsdscsSurface Downwelling Clear-Sky Shortwave RadiationFSDSCrsdscs = FSDSC
Chris Golaz
37rsdtTOA Incident Shortwave RadiationSOLINrsdt = SOLIN
Chris Golaz
38rsuscsSurface Upwelling Clear-Sky Shortwave RadiationFSDSC, FSNSCrsuscs = FSDSC - FSNSC
Chris Golaz
39rsutTOA Outgoing Shortwave RadiationFSUTOArsut = FSUTOA
Chris Golaz
40rsutcsTOA Outgoing Clear-Sky Shortwave RadiationFSUTOACrsutcs = FSUTOAC
Chris Golaz
41rtmtNet Downward Radiative Flux at Top of ModelFSNT, FLNTrtmt = FSNT - FLNT
Chris Golaz
42taAir TemperatureTta = T, interpolated to 19 pressure levels
Chris Golaz
43tasmaxDaily Maximum Near-Surface Air TemperatureTREFHTMXWe cannot use monthly h0 output for this. But the necessary data is in daily h1 files. We would have to create time series of monthly averages from these daily files.

44tasminDaily Minimum Near-Surface Air TemperatureTREFHTMNSame as above

45uaEastward WindUua = U, interpolated to 19 pressure levels
Chris Golaz
46uasEastward Near-Surface Wind



47vaNorthward WindVva = V, interpolated to 19 pressure levels
Chris Golaz
48vasNorthward Near-Surface Wind



49wapOmega (=dp/dt)OMEGAwap = OMEGA, interpolated to 19 pressure levels
Chris Golaz
50zgGeopotential HeightZ3zg = Z3, interpolated to 19 pressure levels
Chris Golaz

AERmon
51abs550aerAmbient Aerosol Absorption Optical Thickness at 550nmAODABSabs550aer = AODABS

52od550aerAmbient Aerosol Optical Thickness at 550nmAODVISod550aer = AODVIS

53reffclwtopCloud-Top Effective Droplet RadiusARELreffclwtop = AREL

...


CFmon


CMIP6 nameCMIP6 descriptionE3SM variableconversion formulaunit and dimensionconversion formula verified by
1clisccp

ISCCP Cloud Area Percentage

FISCCP1_COSP

clisccp = FISCCP1_COSP

%

(time, plev7c, tau, lat, lon)

2cltisccp

ISCCP Total Cloud Cover Percentage

CLDTOT_ISCCP

cltisccp = CLDTOT_ISCCP%

(time, lat, lon)

3albisccp

ISCCP Mean Cloud Albedo; (Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp})

MEANCLDALB_ISCCP

albisccp = MEANCLDALB_ISCCP1

(time, lat, lon)

4pctisccp

ISCCP Mean Cloud Top Pressure; (Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp})

MEANPTOP_ISCCP

pctisccp = MEANPTOP_ISCCPPa

(time, lat, lon)

5clcalipso

CALIPSO Percentage Cloud Cover

CLD_CAL

clcalipso = CLD_CAL

%

(time, alt40, lat, lon)

6cltcalipso

CALIPSO Total Cloud Cover Percentage

CLDTOT_CAL

cltcalipso = CLDTOT_CAL%

(time, lat, lon)

7cllcalipso

CALIPSO Low Level Cloud Cover Percentage

CLDLOW_CAL

cllcalipso = CLDLOW_CAL%

(time, lat, lon)

8clmcalipso

CALIPSO Mid Level Cloud Cover Percentage

CLDMED_CAL

clmcalipso = CLDMED_CAL%

(time, lat, lon)

9clhcalipso

CALIPSO High Level Cloud Area Percentage

CLDHGH_CAL

clhcalipso = CLDHGH_CAL%

(time, lat, lon)



First set of atmospheric data has been cmorized provided by Sterling:

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CMIP6 nameE3SM variable(s)conversion formulaCMOR handler completeverified
1mrsosSOILWATER_10CMmrsos = SOILWATER_10CM, no changeyes
2mrsoSOILICE, SOILLIQmrso = sum_over_z(SOILICE + SOILLIQ, capped_at=5000)yes
3mrfsoSOILICEmrfso = sum_over_z(SOILICE, capped_at=5000)yes
4mrrosQOVERmrros = QOVER, no changeyes
5mrroQRUNOFF


6prvegQINTRprveg = QINTR, no changeyes
7evspsblvegQVEGEevspsblveg = QVEGE, no changeyes
8evspsblsoiQSOILevspsblsoi = QSOIL, no changeyes
9tranQSOIL, QVEGTtran = QSOIL + QVEGTyes
10tslTSOItsl = TSOI, no changeyes
11laiLAISHA, LAISUNlai = LAISHA + LAISUNyes
12cLitterTOTLITC, CWDCcLitter = TOTLITC + CWDC

13cProductTOTPRODCcProduct = TOTPRODC, no change

14cSoilTOTSOMCcSoil = TOTSOMC, no change

15fFireCOL_FIRE_CLOSSfFire = COL_FIRE_CLOSS, no change

16fHarvest

WOOD_HARVESTC

fHarvest = WOOD_HARVESTC, no change

17fVegLitterLITFALL, gap_mortality_c_to_cwdc_col, fire_mortality_c_to_cwdc_col, harvest_c_to_cwdc_col, dwt_livecrootc_to_cwdc_col, dwt_deadcrootc_to_cwdc_col fVegLitter = LITFALL + gap_mortality_c_to_cwdc_col + fire_mortality_c_to_cwdc_col + harvest_c_to_cwdc_col + dwt_livecrootc_to_cwdc_col  + dwt_deadcrootc_to_cwdc_col 

18fLitterSoilLITTERC_LOSS, LITTERC_HR, M_LITR1C_TO_FIRE, M_LITR2C_TO_FIRE, M_LITR3C_TO_FIREfLitterSoil = LITTERC_LOSS - LITTERC_HR - M_LITR1C_TO_FIRE - M_LITR2C_TO_FIRE - M_LITR3C_TO_FIRE

19cVegTOTVEGCcVeg = TOTVEGC, no change

20nbpNBPnbp = NBP, no change

21gppGPPgpp = GPP, no change

22raARra = AR, no change

23rhHRrh = HR, no change

OCN


CMIP6 nameE3SM variable(s)conversion formulaCMOR handler completeverified
1masso



2sf6



3cfc11



4pbo



5cfc12



6pso



7dissicnatos



8fgsf6



9volo



10dissicabioos



11fgcfc11



12zos



13dissi14cabioos



14fgcfc12



15zossq



16dissi13cos



17zostoga



18masscello



ICE. – Notz et al. 2016 – https://www.geosci-model-dev.net/9/3427/2016/gmd-9-3427-2016.pdf


CMIP6 name

E3SM variable(s)


conversion formulaCMOR handler completeverified
1

Fraction of time steps with sea ice (sitimefrac)





2

Sea-ice area fraction (siconc)





3

Sea-ice mass per area (simass)





4

Sea-ice thickness (sithick)





5

Snow area fraction (sisnconc)





6

Snow mass per area (sisnmass)





7

Snow thickness (sisnthick)





8

Surface temperature (sitemptop)





9

Sea-ice volume per area (sivol)





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