# Difference between revisions of "List of GEOS-5 met fields"

From Geos-chem

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## Revision as of 20:45, 7 February 2012

On this page we list the GMAO GEOS-5 met fields that are currently archived for use with GEOS-Chem. This is only a subset of the entire GEOS-5 met field data archive.

For the latest information about GEOS-5, please consult the following GEOS-5 resources:

- Overview of GMAO met data products
- GEOS-5 issues
- GEOS-5 met field reprocessing
- GEOS-5 products page at GMAO
- GEOS-5 File Specification Document (version 5.1.0)
- GEOS-5 File Specification Document (version 5.2.0)

## 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 | File Collection | GEOS-4 Equivalent | GEOS-3 Equivalent |
---|---|---|---|---|---|

ALBEDO | 2-D surface albedo | unitless | tavg2d_met_x | ALBEDO | ALBEDO |

CLDTOT | 2-D column cloud fraction | fraction | tavg2d_met_x | CLDFRC | CLDFRC |

EVAP | 2-D evapotranspiration flux | kg/m2/s | tavg2d_met_x | EVAP | EVAP |

EFLUX | Latent heat flux | W/m2 | tavg2d_met_x | none | none |

FRLAKE | Fraction of grid box that is lakes | fraction | tavg2d_met_x | none | none |

FRLAND | Fraction of grid box that is land | fraction | tavg2d_met_x | none | none |

FRLANDICE | Fraction of grid box that is land ice | fraction | tavg2d_met_x | none | none |

FROCEAN | Fraction of grid box that is ocean | fraction | tavg2d_met_x | none | none |

GRN | 2-D greenness index | fraction | tavg2d_met_x | none | none |

GWETROOT | 2-D root zone soil moisture | fraction | tavg2d_met_x | GWETROOT | GWETROOT (not used) |

GWETTOP | 2-D top soil moisture | fraction | tavg2d_met_x | GWETTOP | GWETTOP |

HFLUX | 2-D sensible heat flux | W/m2 | tavg2d_met_x | HFLUX | HFLUX |

LAI | 2-D leaf area index | m2/m2 | tavg2d_met_x | LAI | LAI |

LWGNET | 2-D net longwave radiation @ ground | W/m2 | tavg2d_met_x | RADLWG | RADLWG |

LWTUP | Outgoing longwave radiation | W/m2 | tavg2d_met_x | OLR | OLR |

PARDF | 2-D diffuse photosyn active rad | W/m2 | tavg2d_met_x | PARDF | PARDF |

PARDR | 2-D direct photosyn active rad | W/m2 | tavg2d_met_x | PARDR | PARDR |

PBLH | 2-D PBL thickness | m | tavg2d_met_x | PBLH | PBL |

PRECANV | Surface precipitation flux from anvils | kg/m2/s | tavg2d_met_x | none | none |

PRECCON | 2-D total convective precip @ ground | kg/m2/s | tavg2d_met_x | PRECON | PRECON |

PRECTOT | 2-D total precipitation @ ground | kg/m2/s | tavg2d_met_x | PREACC | PREACC |

PRECSNO | 2-D total snow precipitation @ ground | kg/m2/s | tavg2d_met_x | none | none |

QV2M | Specific humidity at 2 m above displacement height | kg/kg | tavg2d_met_x | Q2M | Q2M |

SNOMAS | 2-D snow depth (H2O equivalent | m | tavg2d_met_x | SNOW | SNOW |

SNODP | 2-D snow depth (geometric) | m | tavg2d_met_x | none | none |

SWGNET | 2-D net shortwave rad @ ground | W/m2 | tavg2d_met_x | RADSWG | RADSWG |

T2M | 2-D air temperature @ 2m above ground | K | tavg2d_met_x | T2M | TS |

TROPP | 2-D tropopause pressure | hPa | tavg2d_met_x | TROPP | TROPP |

TSKIN | 2-D ground (skin) temperature | K | tavg2d_met_x | TSKIN | TGROUND |

U10M | 2-D U-wind @ 10m above ground | m/s | tavg2d_met_x | U10M | U10M |

USTAR | 2-D Friction velocity | m/s | tavg2d_met_x | USTAR | USTAR |

V10M | 2-D V-wind @ 10m above ground | m/s | tavg2d_met_x | V10M | V10M |

Z0M | 2-D Roughness height | m | tavg2d_met_x | Z0M | Z0 |

--Bob Y. 15:33, 7 February 2012 (EST)

## 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 | File Collection | GEOS-4 Equivalent | GEOS-3 Equivalent |
---|---|---|---|---|---|

DQIDTMST | 3-D tendency of QV in ice processes | kg/kg/s | tavg3d_mst_v | none | none |

DQLDTMST | 3-D tendency of QV in moist processes | kg/kg/s | tavg3d_mst_v | none | none |

DQVDTMST | 3-D tendency of QV in vapor processes | kg/kg/s | tavg3d_mst_v | none | none |

MOISTQ | 3-D overall tendency of QV | g/kg/day | MOISTQ | MOISTQ | |

CMFMC | 3-D convective mass flux | kg/m2/s | none | tavg3d_met_e | CLDMAS |

DTRAIN | 3-D detrainment mass flux | kg/m2/s | tavg3d_cld_v | none | DTRAIN |

DQRCON | 3-D precip from conv processes | kg/m2/s | tavg3d_cld_v | none | none |

DQRLSC | 3-D precip from lg scl processes | kg/m2/s | tavg3d_cld_v | none | none |

CLOUD | 3-D cloud fraction | unitless | tavg3d_cld_v | CLDTOT | CLDF |

TAUCLI | 3-D grid box opt depth, ice-path | unitless | tavg3d_cld_v | TAUCLI | TAUCLD |

TAUCLW | 3-D grid box opt depth, H2O-path | unitless | tavg3d_cld_v | TAUCLW | TAUCLD |

OMEGA | Vertical pressure velocity | Pa/s | tavg3d_dyn_v | OMEGA | OMEGA |

OPTDEPTH | 3-D overall optical depth | unitless | OPTDEPTH | OPTDEPTH | |

PV | 3-D Ertel potential vorticity | K*m2/kg/s | tavg3d_dyn_v | PV (not used) | none |

QI | 3-D ice mixing ratio | kg/kg | tavg3d_cld_v | none | none |

QL | 3-D water mixing ratio | kg/kg | tavg3d_cld_v | none | none |

QV | 3-D specific humidity | kg/kg | tavg3d_dyn_v | Q | SPHU |

RH | 3-D relative humidity | unitless | tavg3d_dyn_v | RH | RH (not used) |

T | 3-D temperature | K | tavg3d_dyn_v | T | TMPU |

U | 3-D zonal wind | m/s | tavg3d_dyn_v | U | UWND |

V | 3-D meridional wind | m/s | tavg3d_dyn_v | V | VWND |

--Bob Y. 15:45, 7 February 2012 (EST)

## I-6 Fields

- These are instantaneous 6-hr 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 |