NCEP/NCAR Reanalysis
The NCEP/NCAR Reanalysis reanalysis data set is a continually updating gridded data set representing the state of the Earth's atmosphere, incorporating observations and numerical weather prediction (NWP) model output dating back to 1948. It is a joint product from the National Centers for Environmental Prediction (NCEP) and the National Center for Atmospheric Research (NCAR).
Accessing the data
The data is available for free download from the NOAA Earth System Research Laboratory[1] and NCEP[2]. It is distributed in Netcdf and GRIB files, for which a number of tools and libraries exist.
Uses
- Initializing a smaller scale atmospheric model
- Climate assessment
Subsequent updates
Since then NCEP-DOE Reanalysis II[3] and the NCEP CFS Reanalysis[4] are released. The former focuses in fixing existing bugs with the NCEP/NCAR Reanalysis system - most notably surface energy and usage of observed precipitation forcing to the land surface, but otherwise uses a similar numerical model and data assimilation system. The latter is based on the NCEP Climate Forecast System[5].
See also
References
- ^ "NCEP/NCAR Reanalysis". NOAA. http://www.cdc.noaa.gov/cdc/data.ncep.reanalysis.html. Retrieved 20 November 2008.
- ^ "NCEP/NCAR Reanalysis". NOAA. http://www.nomad3.ncep.noaa.gov/ncep_data/. Retrieved 10 April 2010.
- ^ Kanamitsu M., W. Ebisuzaki, J. Woollen, S-K Yang, J. J. Hnilo, M. Fiorino, G. L. Potter: 2002. Bull. Amer. Meteor. Soc., 83:11, 1631-1643
- ^ S. Saha, and coauthors, 2010: The NCEP Climate Forecast System Reanalysis. Bull. Amer. Meteor. Soc., 91:8, 1015-1057.
- ^ S. Saha, and coauthors , 2006 : The NCEP Climate Forecast System. J. Climate, Vol. 19, No. 15, pages 3483.3517.
- Kistler, R., E. Kalnay, W. Collins, S. Saha, G. White, J. Woollen, M. Chelliah, W. Ebisuzaki, M. Kanamitsu, V. Kousky, H. van den Dool, R. Jenne, and M. Fiorino, 2001: The NCEP-NCAR 50-Year Reanalysis: Monthly Means CD-ROM and Documentation. Bull. Amer. Meteor. Soc., 82, 247-268.
- Kalnay, E., M. Kanamitsu, R. Kistler, W. Collins, D. Deaven, L. Gandin, M. Iredell, S. Saha, G. White, J. Woollen, Y. Zhu, M. Chelliah, W. Ebisuzaki, W. Higgins, J. Janowiak, K. C. Mo, C. Ropelewski, J. Wang, A. Leetmaa, R. Reynolds, R. Jenne, and D. Joseph, 1996: The NMC/NCAR 40-Year Reanalysis Project". Bull. Amer. Meteor. Soc., 77, 437-471.
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