List of GEOS-5 met fields

Met Fields

GMAO Documentation

• File Specification Document

List of GEOS-5 Fields used in GEOS-Chem

I-6 Fields

• These are 3-hr time-averaged fields.
• Data times: 00:00, 06:00, 12:00, 18:00 GMT
• All I-6 fields are 2-dimensional (lon,lat)

GEOS-5 Field	Description	Units	GEOS-4 Equivalent	GEOS-3 Equivalent
LWI	2-D land / water / ice flags	unitless	LWI	SURFTYPE
PS	2-D surface pressure	hPa	PS	PS
SLP	2-D sea level pressure	hPa	SLP	SLP
TO3	2-D total ozone column	DU	none	none
TTO3	2-D total tropospheric ozone column	DU	none	none

A-3 Fields

• These are 3-hr time-averaged fields.
• Data times: 01:30, 04:30, 07:30, 10:30, 13:30, 16:30, 19:30, 22:30 GMT
• All A-3 fields are 2-dimensional (lon,lat)

GEOS-5 Field	Description	Units	GEOS-4 Equivalent	GEOS-3 Equivalent
ALBEDO	2-D surface albedo	unitless	ALBEDO	ALBEDO
CLDTOT	2-D column cloud fraction	fraction	CLDFRC	CLDFRC
EVAP	2-D evapotranspiration flux	kg/m2/s	EVAP	EVAP
GRN	2-D greenness index	fraction	none	none
GWETROOT	2-D root zone soil moisture	fraction	GWETROOT	GWETROOT (not used)
GWETTOP	2-D top soil moisture	fraction	GWETTOP	GWETTOP
HFLUX	2-D sensible heat flux	W/m2	HFLUX	HFLUX
LAI	2-D leaf area index	m2/m2	LAI	LAI
LWGNET	2-D net longwave radiation @ ground	W/m2	RADLWG	RADLWG
PARDF	2-D diffuse photosyn active rad	W/m2	PARDF	PARDF
PARDR	2-D direct photosyn active rad	W/m2	PARDR	PARDR
PBLH	2-D PBL thickness	m	PBLH	PBL
PRECCON	2-D total convective precip @ ground	kg/m2/s	PRECON	PRECON
PRECTOT	2-D total precipitation @ ground	kg/m2/s	PREACC	PREACC
PRECSNO	2-D total snow precipitation @ ground	kg/m2/s	none	none
SNOMAS	2-D snow depth (H2O equivalent	m	SNOW	SNOW
SNODP	2-D snow depth (geometric)	m	none	none
SWGNET	2-D net shortwave rad @ ground	W/m2	RADSWG	RADSWG
T2M	2-D air temperature @ 2m above ground	K	T2M	TS
TROPP	2-D tropopause pressure	hPa	TROPP	TROPP
TSKIN	2-D ground (skin) temperature	K	TSKIN	TGROUND
U10M	2-D U-wind @ 10m above ground	m/s	U10M	U10M
USTAR	2-D Friction velocity	m/s	USTAR	USTAR
V10M	2-D V-wind @ 10m above ground	m/s	V10M	V10M
Z0M	2-D Roughness height	m	Z0M	Z0

A-6 Fields

• These are 6-hr time-averaged fields.
• Data times: 00:00, 06:00, 12:00, 18:00 GMT
• All A-6 fields are 3-dimensional (lon,lat,alt)

GEOS-5 Field	Description	Units	GEOS-4 Equivalent	GEOS-3 Equivalent
DQIDTMST	3-D tendency of QV in ice processes	kg/kg/s	none	none
DQLDTMST	3-D tendency of QV in moist processes	kg/kg/s	none	none
DQVDTMST	3-D tendency of QV in vapor processes	kg/kg/s	none	none
MOISTQ	3-D overall tendency of QV	g/kg/day	MOISTQ	MOISTQ
CMFMC	3-D convective mass flux	kg/m2/s	none	CLDMAS
DTRAIN	3-D detrainment mass flux	kg/m2/s	none	DTRAIN
DQRCON	3-D precip from conv processes	kg/m2/s	none	none
DQRLSC	3-D precip from lg scl processes	kg/m2/s	none	none
CLOUD	3-D cloud fraction	unitless	CLDTOT	CLDF
TAUCLI	3-D grid box opt depth, ice-path	unitless	TAUCLI	TAUCLD
TAUCLW	3-D grid box opt depth, H2O-path	unitless	TAUCLW	TAUCLD
OPTDEPTH	3-D overall optical depth	unitless	OPTDEPTH	OPTDEPTH
PLE	3-D pressure at grid box edges	hPa	none	none
PV	3-D Ertel potential vorticity	K*m2/kg/s	PV (not used)	none
QI	3-D ice mixing ratio	kg/kg	none	none
QL	3-D water mixing ratio	kg/kg	none	none
QV	3-D specific humidity	kg/kg	Q	SPHU
RH	3-D relative humidity	percent	RH	RH (not used)
T	3-D temperature	K	T	TMPU
U	3-D zonal wind	m/s	U	UWND
V	3-D meridional wind	m/s	V	VWND

Wet scavenging in GEOS-5

09-Jan-2008

There can be significant differences in the amount of tracer lost to wet scavenging in GEOS-5 as compared to the equivalent run in GEOS-4. Click HERE to view a powerpoint that describes some of the differences.