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change q2 description to water vapor mixing ratio #1479

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change q2 description to water vapor mixing ratio #1479

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3d18f1a
change q2 description
tslin2 Jun 30, 2026
e7a3cdd
update qsfc
tslin2 Jun 30, 2026
c23ff9f
updated NoahMP qsfc
tslin2 Jun 30, 2026
f1d91bc
updated NoahMP QSFC
tslin2 Jun 30, 2026
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4 changes: 2 additions & 2 deletions src/core_atmosphere/Registry.xml
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Expand Up @@ -2905,7 +2905,7 @@
packages="sfclayer"/>

<var name="qsfc" type="real" dimensions="nCells Time" units="kg kg^{-1}"
description="specific humidity at lower boundary"
description="mixing ratio at lower boundary"
packages="sfclayer"/>

<var name="ust" type="real" dimensions="nCells Time" units="m s^{-1}"
Expand Down Expand Up @@ -3033,7 +3033,7 @@
description="10-meter meridional wind"/>

<var name="q2" type="real" dimensions="nCells Time" packages="sfclayer" units="kg kg^{-1}"
description="2-meter specific humidity"/>
description="2-meter water vapor mixing ratio"/>

<var name="t2m" type="real" dimensions="nCells Time" packages="sfclayer" units="K"
description="2-meter temperature"/>
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6 changes: 3 additions & 3 deletions src/core_atmosphere/physics/mpas_atmphys_vars.F
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Expand Up @@ -574,10 +574,10 @@ module mpas_atmphys_vars
pblh_p, &!PBL height [m]
psih_p, &!similarity theory for heat [-]
psim_p, &!similarity theory for momentum [-]
q2_p, &!specific humidity at 2m [kg/kg]
q2_p, &!water vapor mixing ratio at 2m [kg/kg]
qfx_p, &!upward moisture flux at the surface [kg/m2/s]
qgh_p, &!
qsfc_p, &!specific humidity at lower boundary [kg/kg]
qgh_p, &!lowest level saturation mixing ratio [kg/kg]
qsfc_p, &!mixing ratio at lower boundary [kg/kg]
regime_p, &!flag indicating PBL regime (stable_p,unstable_p,etc...) [-]
rmol_p, &!1 / Monin Ob length [-]
t2m_p, &!temperature at 2m [K]
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2 changes: 1 addition & 1 deletion src/core_atmosphere/physics/physics_noahmp/drivers/mpas/EnergyVarInTransferMod.F90
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Expand Up @@ -46,7 +46,7 @@ subroutine EnergyVarInTransfer(noahmp, NoahmpIO)
! energy state variables
noahmp%energy%state%LeafAreaIndex = NoahmpIO%LAI (I)
noahmp%energy%state%StemAreaIndex = NoahmpIO%XSAIXY (I)
noahmp%energy%state%SpecHumiditySfcMean = NoahmpIO%QSFC (I)
noahmp%energy%state%SpecHumiditySfcMean = NoahmpIO%QSFC (I) / (1.0+NoahmpIO%QSFC(I))
noahmp%energy%state%TemperatureGrd = NoahmpIO%TGXY (I)
noahmp%energy%state%TemperatureCanopy = NoahmpIO%TVXY (I)
noahmp%energy%state%SnowAgeNondim = NoahmpIO%TAUSSXY (I)
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2 changes: 1 addition & 1 deletion src/core_atmosphere/physics/physics_noahmp/drivers/mpas/EnergyVarOutTransferMod.F90
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Expand Up @@ -104,7 +104,7 @@ subroutine EnergyVarOutTransfer(noahmp, NoahmpIO)
! energy state variables
NoahmpIO%TSK (I) = noahmp%energy%state%TemperatureRadSfc
NoahmpIO%EMISS (I) = noahmp%energy%state%EmissivitySfc
NoahmpIO%QSFC (I) = noahmp%energy%state%SpecHumiditySfcMean
NoahmpIO%QSFC (I) = noahmp%energy%state%SpecHumiditySfcMean/(1.0-noahmp%energy%state%SpecHumiditySfcMean)
NoahmpIO%TVXY (I) = noahmp%energy%state%TemperatureCanopy
NoahmpIO%TGXY (I) = noahmp%energy%state%TemperatureGrd
NoahmpIO%EAHXY (I) = noahmp%energy%state%PressureVaporCanAir
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2 changes: 1 addition & 1 deletion src/core_atmosphere/physics/physics_noahmp/drivers/mpas/NoahmpIOVarFinalizeMod.F90
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Expand Up @@ -131,7 +131,7 @@ subroutine NoahmpIOVarFinalizeDefault(NoahmpIO)
if ( allocated (NoahmpIO%acsnom) ) deallocate ( NoahmpIO%acsnom ) ! accumulated snow melt leaving pack
if ( allocated (NoahmpIO%acsnow) ) deallocate ( NoahmpIO%acsnow ) ! accumulated snow on grid
if ( allocated (NoahmpIO%emiss) ) deallocate ( NoahmpIO%emiss ) ! surface bulk emissivity
if ( allocated (NoahmpIO%qsfc) ) deallocate ( NoahmpIO%qsfc ) ! bulk surface specific humidity
if ( allocated (NoahmpIO%qsfc) ) deallocate ( NoahmpIO%qsfc ) ! bulk surface mixing ratio
if ( allocated (NoahmpIO%smoiseq) ) deallocate ( NoahmpIO%smoiseq ) ! equilibrium volumetric soil moisture [m3/m3]
if ( allocated (NoahmpIO%smois) ) deallocate ( NoahmpIO%smois ) ! volumetric soil moisture [m3/m3]
if ( allocated (NoahmpIO%sh2o) ) deallocate ( NoahmpIO%sh2o ) ! volumetric liquid soil moisture [m3/m3]
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2 changes: 1 addition & 1 deletion src/core_atmosphere/physics/physics_noahmp/drivers/mpas/NoahmpIOVarInitMod.F90
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Expand Up @@ -135,7 +135,7 @@ subroutine NoahmpIOVarInitDefault(NoahmpIO)
if ( .not. allocated (NoahmpIO%acsnom) ) allocate ( NoahmpIO%acsnom (its:ite ) ) ! accumulated snow melt leaving pack
if ( .not. allocated (NoahmpIO%acsnow) ) allocate ( NoahmpIO%acsnow (its:ite ) ) ! accumulated snow on grid
if ( .not. allocated (NoahmpIO%emiss) ) allocate ( NoahmpIO%emiss (its:ite ) ) ! surface bulk emissivity
if ( .not. allocated (NoahmpIO%qsfc) ) allocate ( NoahmpIO%qsfc (its:ite ) ) ! bulk surface specific humidity
if ( .not. allocated (NoahmpIO%qsfc) ) allocate ( NoahmpIO%qsfc (its:ite ) ) ! bulk surface mixing ratio
if ( .not. allocated (NoahmpIO%smoiseq) ) allocate ( NoahmpIO%smoiseq (its:ite,1:nsoil) ) ! equilibrium volumetric soil moisture [m3/m3]
if ( .not. allocated (NoahmpIO%smois) ) allocate ( NoahmpIO%smois (its:ite,1:nsoil) ) ! volumetric soil moisture [m3/m3]
if ( .not. allocated (NoahmpIO%sh2o) ) allocate ( NoahmpIO%sh2o (its:ite,1:nsoil) ) ! volumetric liquid soil moisture [m3/m3]
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2 changes: 1 addition & 1 deletion src/core_atmosphere/physics/physics_noahmp/drivers/mpas/NoahmpIOVarType.F90
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Expand Up @@ -174,7 +174,7 @@ module NoahmpIOVarType
real(kind=kind_noahmp), allocatable, dimension(:) :: acsnom ! accumulated snow melt leaving pack
real(kind=kind_noahmp), allocatable, dimension(:) :: acsnow ! accumulated snow on grid
real(kind=kind_noahmp), allocatable, dimension(:) :: emiss ! surface bulk emissivity
real(kind=kind_noahmp), allocatable, dimension(:) :: qsfc ! bulk surface specific humidity
real(kind=kind_noahmp), allocatable, dimension(:) :: qsfc ! bulk surface mixing ratio

! INOUT (with no Noah LSM equivalent) (as defined in WRF)
integer, allocatable, dimension(:) :: isnowxy ! actual no. of snow layers
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2 changes: 1 addition & 1 deletion src/core_init_atmosphere/Registry.xml
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Expand Up @@ -1381,7 +1381,7 @@
packages="met_stage_out"/>

<var name="q2" type="real" dimensions="nCells Time" units="kg kg^{-1}"
description="2-meter specific humidity"
description="2-meter water vapor mixing ratio"
packages="met_stage_out"/>

<var name="rh2" type="real" dimensions="nCells Time" units="percent"
Expand Down