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ds120.0 Detailed MetadataGo to Dataset: 
 

Overview
Dataset Citation:
ECMWF, 2004: ERA40 Monthly Mean 2.5 Degree Latitude-Longitude Gridded Surface and Single Level Analysis from ECMWF. Published by the CISL Data Support Section at the National Center for Atmospheric Research, Boulder, CO (ds120.0).
Types of data:
  • Grids
 Data formats:
Data providers:
  • ECMWF > European Centre for Medium-Range Weather Forecasts
Programs/Experiments that collected the data:
  • ERA40 > ECMWF ERA40 Reanalysis Project
Total volume:  2.879 Gbytes

Summary for Grids in WMO GRIB1 Format
Product and Coverage Information:
There are multiple products and/or geographical coverages for the grids in this format. Click a variable name to see the available products and coverages for that variable.
VariableVertical LevelsTemporal Valid Range
10 metre U wind component (m s-1)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
10 metre V wind component (m s-1)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
2 metre dewpoint temperature (K)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
2 metre temperature (K)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Boundary layer height (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Convective precipitation (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
East/West surface stress (N m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Evaporation (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
High cloud cover
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Ice surface temperature layer 1 (K)
  • Layer between two depths below land surface: Bottom=7 cm, Top=0 cm
1957-09-01 00:00 to 2002-08-31 18:00
Ice surface temperature layer 2 (K)
  • Layer between two depths below land surface: Bottom=28 cm, Top=7 cm
1957-09-01 00:00 to 2002-08-31 18:00
Ice surface temperature layer 3 (K)
  • Layer between two depths below land surface: Bottom=100 cm, Top=28 cm
1957-09-01 00:00 to 2002-08-31 18:00
Ice surface temperature layer 4 (K)
  • Layer between two depths below land surface: Bottom=255 cm, Top=100 cm
1957-09-01 00:00 to 2002-08-31 18:00
Latitudinal component of gravity wave stress (N m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Low cloud cover
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Mean sea-level pressure (Pa)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Medium cloud cover
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Meridional component of gravity wave stress (N m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
North/South surface stress (N m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Runoff (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Sea-ice cover
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Snow depth (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Snow evaporation (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Snowfall (convective + stratiform) (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Snowmelt (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Soil temperature level 1 (K)
  • Layer between two depths below land surface: Bottom=7 cm, Top=0 cm
1957-09-01 00:00 to 2002-08-31 18:00
Soil temperature level 2 (K)
  • Layer between two depths below land surface: Bottom=28 cm, Top=7 cm
1957-09-01 00:00 to 2002-08-31 18:00
Soil temperature level 3 (K)
  • Layer between two depths below land surface: Bottom=100 cm, Top=28 cm
1957-09-01 00:00 to 2002-08-31 18:00
Soil temperature level 4 (K)
  • Layer between two depths below land surface: Bottom=255 cm, Top=100 cm
1957-09-01 00:00 to 2002-08-31 18:00
Stratiform precipitation (m)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface latent heat flux (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface net solar radiation, clear sky (W m-2)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface net thermal radiation, clear sky (W m-2)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface sensible heat flux (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface solar radiation (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface solar radiation downwards (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface thermal radiation (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Surface thermal radiation downwards (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Temperature of snow layer (K)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Top net solar radiation, clear sky (W m-2)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Top net thermal radiation, clear sky (W m-2)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Top solar radiation (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Top thermal radiation (W m-2 s)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Total cloud cover
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Total column ozone (kg m-2)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Total column water (kg m-2)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Total column water vapour (kg m-2)
  • Ground or water surface
1957-09-01 00:00 to 2002-08-31 18:00
Volumetric soil water layer 1 (m3 m-3)
  • Layer between two depths below land surface: Bottom=7 cm, Top=0 cm
1957-09-01 00:00 to 2002-08-31 18:00
Volumetric soil water layer 2 (m3 m-3)
  • Layer between two depths below land surface: Bottom=28 cm, Top=7 cm
1957-09-01 00:00 to 2002-08-31 18:00
Volumetric soil water layer 3 (m3 m-3)
  • Layer between two depths below land surface: Bottom=100 cm, Top=28 cm
1957-09-01 00:00 to 2002-08-31 18:00
Volumetric soil water layer 4 (m3 m-3)
  • Layer between two depths below land surface: Bottom=255 cm, Top=100 cm
1957-09-01 00:00 to 2002-08-31 18:00

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