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NCEP Global Ocean Data Assimilation System (OAFLUXV3)

Brief Description:

  • Monthly Gridded Objectively Analyzed air-sea fluxes (OAFlux) for the Global Oceans from 1958 to near present. More Details...

Temporal Coverage:

  • Monthly values for 1958/01 - Dec 2013 .
  • Monthly values for 1983/01 - 2007/12 (*ISCCP-based vars)
  • Monthly Long Term Mean values for 1981/01 - 2010/12.
  • Monthly Long Term Mean values for 1984/01 - 2007/12 (*ISCCP-based vars).
  • Daily values for 1985/01 - 2011
  • Daily values for 1985/01 - 2007/12 (*ISCCP-based vars).
  • Daily Long Term Mean values for 1985/01 - 2010/12.
  • Daily Long Term Mean values for 1985/01 - 2007/12 (*ISCCP-based vars)
*ISCCP-based vars are Fullsky Longwave Radiation Flux, nlwrs; Fullsky Shortwave Radiation Flux, nswrs; and Net Heat Flux, qnet

Spatial Coverage:

  • 1.0 degree latitude x 1.0 degree longitude global grid (180x360).
  • 89.5S - 89.5N, 0.5E - 359.5E.
Latest available data: Click to Enlarge

Levels:

  • Surface

Update Schedule:

  • Irregular

Download/Plot Data: Monthly Values

Variable Statistic Level Download File
Air Temperature Monthly Mean 2m air.2m.mon.mean.nc
Air Temperature Monthly Near Real Time Mean 2m air.2m.mon.mean.rt.nc
Air Temperature Monthly Long Term Mean 2m air.2m.mon.ltm.nc
Air Temperature Monthly Mean Error 2m air.2m.mon.err.nc
Evaporation Monthly Mean Surface evap.mon.mean.nc
Evaporation Near Real time Monthly Mean Surface evap.mon.mean.rt.nc
Evaporation Monthly Long Term Mean Surface evap.mon.ltm.nc
Evaporation Monthly Mean Error Surface evap.mon.err.nc
Specific Humidity Monthly Mean 2m shum.2m.mon.mean.nc
Specific Humidity Near Real Time Monthly Mean 2m shum.2m.mon.mean.rt.nc
Specific Humidity Monthly Long Term Mean 2m shum.2m.mon.ltm.nc
Specific Humidity Monthly Mean Error 2m shum.2m.mon.err.nc
Wind Speed Monthly Mean 10m wspd.10m.mon.mean.nc
Wind Speed Near Real time Monthly Mean 10m wspd.10m.mon.mean.nc
Wind Speed Monthly Long Term Mean 10m wspd.10m.mon.ltm.nc
Wind Speed Monthly Mean Error 10m wspd.10m.mon.err.nc
SST Monthly Mean Surface sst.mon.mean.nc
SST Near Real Time Monthly Mean Surface sst.mon.mean.rt.nc
SST Monthly Long Term Mean Surface sst.mon.ltm.nc
SST Monthly Mean Error Surface sst.mon.err.nc
Latent Heat Flux Monthly Mean Surface lhtfl.sfc.mon.mean.nc
Latent Heat Flux Near Real Time Monthly Mean Surface lhtfl.sfc.mon.mean.rt.nc
Latent Heat Flux Monthly Long Term Mean Surface lhtfl.sfc.mon.ltm.nc
Latent Heat Flux Monthly Mean Error Surface lhtfl.sfc.mon.err.nc
Sensible Heat Flux Monthly Mean Surface shtfl.sfc.mon.mean.nc
Sensible Heat Flux Near Real Time Monthly Mean Surface shtfl.sfc.mon.mean.rt.nc
Sensible Heat Flux Monthly Long Term Mean Surface shtfl.sfc.mon.ltm.nc
Sensible Heat Flux Monthly Mean Error Surface shtfl.sfc.mon.err.nc
Fullsky Longwave Radiation Flux* Monthly Mean Surface nlwrs.sfc.mon.mean.nc
Fullsky Longwave Radiation Flux* Monthly Long Term Mean Surface nlwrs.sfc.mon.ltm.nc
Fullsky Shortwave Radiation Flux* Monthly Mean Surface nswrs.sfc.mon.mean.nc
Fullsky Shortwave Radiation Flux<*/td> Monthly Long Term Mean Surface nswrs.sfc.mon.ltm.nc
Net Heat Flux* Monthly Long Term Mean Surface qnet.sfc.mon.ltm.nc
*ISCCP-based vars are Fullsky Longwave Radiation Flux, nlwrs; Fullsky Shortwave Radiation Flux, nswrs; and Net Heat Flux, qnet

Daily Averages

Variable Statistic Level Download File Create Plot/Subset
Air Temperature Daily Mean 2m air.2m.yyyy.nc plot
Air Temperature Near Real Time Daily Mean 2m air.2m.2011RT.nc plot
Air Temperature Daily Long Term Mean 2m air.2m.day.ltm.nc plot
Evaporation Daily Mean Surface evap.yyyy.nc plot
Evaporation Near Real Time Daily Mean Surface evap.2011RT.nc plot
Evaporation Daily Long Term Mean Surface evap.day.ltm.nc plot
Specific Humidity Daily Mean 2m shum.2m.yyyy.nc plot
Specific Humidity Near Real Time Daily Mean 2m shum.2m.2011RT.nc plot
Specific Humidity Daily Long Term Mean 2m shum.2m.day.ltm.nc plot
Wind Speed Daily Mean 10m wspd.10m.yyyy.nc plot
Wind Speed Near Real time Daily Mean 10m wspd.10m.2011RT.nc plot
Wind Speed Daily Long Term Mean 10m wspd.10m.day.ltm.nc plot
SST Daily Mean Surface sst.yyyy.nc plot
SST Near Real TimeDaily Mean Surface sst.2011RT.nc plot
SST Daily Long Term Mean Surface sst.day.ltm.nc plot
Latent Heat Flux Daily Mean Surface lhtfl.sfc.yyyy.nc plot
Latent Heat Flux Near Real Time Daily Mean Surface lhtfl.sfc.2011RT.nc plot
Latent Heat Flux Daily Long Term Mean Surface lhtfl.sfc.day.ltm.nc plot
Sensible Heat Flux Daily Mean Surface shtfl.sfc.yyyy.nc plot
Sensible Heat Flux Near Real Time Daily Mean Surface shtfl.sfc.2011RT.nc plot
Sensible Heat Flux Daily Long Term Mean Surface shtfl.sfc.day.ltm.nc plot
Fullsky Longwave Radiation Flux* Daily Mean Surface nlwrs.sfc.yyyy.nc plot
Fullsky Longwave Radiation Flux* Daily Long Term Mean Surface nlwrs.sfc.day.ltm.nc plot
Fullsky Shortwave Radiation Flux* Daily Mean Surface nswrs.sfc.yyyy.nc plot
Fullsky Shortwave Radiation Flux* Daily Long Term Mean Surface nswrs.sfc.day.ltm.nc plot
Net Heat Flux* Daily Mean Surface qnet.sfc.yyyy.nc plot
Net Heat Flux* Daily Long Term Mean Surface qnet.sfc.day.ltm.nc plot
*ISCCP-based vars are Fullsky Longwave Radiation Flux, nlwrs; Fullsky Shortwave Radiation Flux, nswrs; and Net Heat Flux, qnet

Usage Restrictions:

  • Please acknowledge the global ocean heat flux and evaporation products were provided by the WHOI OAFlux project (http://oaflux.whoi.edu) funded by the NOAA Climate Observations and Monitoring (COM) program.

Detailed Description:

Caveats:

  • None

Related File Naming & Structure Information:

File Names:

  • var.mon.mean.nc   (In directory: /Datasets.private2/oaflux/Monthlies/)
  • var.mon.err.nc   (In directory: /Datasets.private2/oaflux/Monthlies/)
  • var.mon.ltm.nc   (In directory: /Datasets.private2/oaflux/Derived/Monthlies/)
  • var.yyyy.nc   (In directory: /Datasets.private2/oaflux/Dailies/)
  • var.yyyy.ltm.nc   (In directory: /Datasets.private2/oaflux/Derived/Dailies/)

OpenDap File Names:

  • http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets.private2/oaflux/Monthlies/var.mon.mean.nc   
  • http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets.private2/oaflux/Monthlies/var.mon.err.nc   
  • http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets.private2/oaflux/Dailies/var.yyyy.nc   

Dataset Format and Size:

  • PSD standard NetCDF 80 Mbyte file for each monthly file (packed).
  • PSD standard NetCDF 38 Mbyte file for each monthly file (packed).

Missing Data:

  • Missing data is flagged with a value of 32766s.

Citation:

  • Please note: If you acquire OAFLUXV3 data products from PSD, we ask that you acknowledge us in your use of the data. This may be done by including text such as OAFLUXV3 data provided by the NOAA/OAR/ESRL PSD, Boulder, Colorado, USA, from their Web site at http://www.esrl.noaa.gov/psd/ in any documents or publications using these data. We would also appreciate receiving a copy of the relevant publications. This will help PSD to justify keeping the OAFLUXV3 data set freely available online in the future. Thank you!
  • Yu, L., X. Jin, and R.A. Weller, 2008: Multidecade Global Flux Datasets from the Objectively Analyzed Air-sea Fluxes (OAFlux) Project: Latent and sensible heat fluxes, ocean evaporation, and related surface meteorological variables. OA-2008-1, Woods Hole Oceanographic Institution, 64 pp.
  • Please acknowledge the global ocean heat flux and evaporation products were provided by the WHOI OAFlux project (http://oaflux.whoi.edu) funded by the NOAA Climate Observations and Monitoring (COM) program.

References:

Original Source:

Contact:

  • Physical Sciences Division: Data Management
    NOAA/ESRL/PSD
    325 Broadway
    Boulder, CO 80305-3328
    esrl.psd.data@noaa.gov