| References | |
|---|---|
| Climate Explorer URL | climexp.knmi.nl/getindices.cgi?WMO=20CRv3/snao_20c&STATION=SNAO_20CR |
| Climate Explorer filename | 20CRv3/snao_20c.dat |
| Variable | |
| name | SNAO |
| units | 1 |
| long_name | 20C Summer NAO |
| Ascii global metadata | |
| description | Summer NAO index (PC of first EOF of SLP over 40-70N, 90W-30E July-August average over 1950-2010), based on the 20CRv3 reanalysis sea-level pressure reconstruction, SNAO [1] 20C Summer NAO, |
| file | prmsl.mon.mean.nc |
| title | Monthly NOAA/CIRES/DOE 20th Century Reanalysis V3 |
| comments | Data are from NOAA/CIRES/DOE 20th Century Reanalysis version 3 (8x/day). It consists of most variables interpolated to pressure surfaces from model hybrid (sigma/pressure) surfac |
| standard_name_vocabulary | NetCDF Climate and Forecast (CF) Metadata Convention |
| license | These data are available free of charge under the PSD data policy |
| creator_name | NOAA/ESRL PSD |
| spatial_resolution | 1.0 degree |
| platform | Model |
| institution | KNMI Climate Explorer and NOAA ESRL Physical Sciences Division & CU/CIRES (325 Broadway R/PSD, Boulder, CO 80305 |
| version | 3si |
| contact | esrl.psd.data@noaa.gov |
| source | 20CRv3si 2018, Ensemble Kalman Filter, ocean (specified): SODAsi.3; atmosphere: NCEP GFS v14.0.1; sea ice (specified): HadISST2.3 (years prior to 1850 use climatology of 1860-1891); land: Noah 4 layer versi |
| name_of_model_used | ensda_v451 |
| creation_date | 2019-03-19T22:37:09Z |
| product | reanalysis |
| observations | International Surface Pressure Databank version 4.7 |
| assimilation_algorithm | Ensemble Kalman Filter with 4DIAU |
| forcing | CO2, Sl, Vl, SST, Oz (CO2 as in Saha et al (2010), Oz is prescribed from CMIP5, SST is SODAsi.3, Sl is Total Solar Irradiance (TSI) Reconstruction based on NRLTSI2, Vl defined as in Crowley & Unterman 2013 |
| citation1 | Slivinski, L. C, G. P. Compo, J. S. Whitaker, P. D. Sardeshmukh, B. S. Giese, C. McColl, R. Allan, X. Yin, R. Vose, H. Titchner, J. Kennedy, L. J. Spencer, L. Ashcroft, S. Bronnimann, M. Brunet, D. Camuffo, R. Cornes, T. A. Cram, R. Crouthamel, F. Dominguez-Castro, J. E. Freeman, J. Gergis, E. Hawkins, P. D. Jones, S. Jourdain, A. Kaplan, H. Kubota, F. Le Blancq, T.-C. Lee, A. Lorrey, J. Luterbacher, M. Maugeri, C. J. Mock, G.W. K. Moore, R. Przybylak, C. Pudmenzky, C. Reason, V. C. Slonosky, C. Smith, B. Tinz, B. Trewin, M. A. Valente, X. L. Wang, C. Wilkinson, K. Wood, and P. Wyszynski (submitted): Towards a more reliable historical reanalysis: Improvements for version 3 of the Twentieth Century Reanalysis System. Quarterly Journal of the Royal Meteoro |
| dataset_title | NOAA/CIRES/DOE 20th Century Reanalysis (V3) |
| references | www.esrl.noaa.gov/psd/data/gridded/data.20thC_ReanV3.html |
| forcing_note | Additional information on the external forcings uses in this reanalysis can be found in Slivinski et al. (2019) (citation1 |
| citation | Compo,G.P. <,>www.esrl.noaa.gov/psd/people/gilbert.p.compo/>, J.S. Whitaker P.D. Sardeshmukh, N.Matsui, R.J. Allan, X. Yin, B.E. Gleason, R.S. Vose, G. Rutledge, P. Bessemoulin, S. Bronnimann, M. Brunet, R.I. Crouthamel, A.N. Grant, P.Y. Groisman, P.D. Jones, M. Kruk, A.C. Kruger, G.J. Marshal, M. Maugeri, H.Y. Mok, O. Nordli, T.F. Ross, R.M. Trio, X.L. Wang, S.D. Woodruff, and S.J. Worley, 2011: The Twentieth Century Reanalysis Project <. Quarterly>onlinelibrary.wiley.com/doi/10.1002/qj.776/abstract/>. Quarterly J. Roy. Meteorol. Soc./, 137, 1-28. DOI: 10.1002/ |
| pattern_conventions | CF-1.0 |
| pattern_institution | KNMI Climate Explorer and NOAA ESRL Physical Sciences Division & CU/CIRES (325 Broadway R/PSD, Boulder, CO 80305 |
| pattern_history | user oldenbor 2020-06-05 10:05:32 eof prmsl.mon.mean.nc 1 mon 7 ave 2 begin 1950 end 2010 lon1 -90 lon2 30 lat1 40 lat2 70 snao_20c.nc created 2019/03 by Hoop (chunked, deflated non-packed netCDF4-Classic) esrl.psd.data@noaa.gov |
| pattern_title | Monthly NOAA/CIRES/DOE 20th Century Reanalysis V3 |
| pattern_file | snao_20c.nc |
| history | user oldenbor 2021-05-24 15:32:30 patternfield prmsl.mon.mean.nc snao_20c.nc eof1 7 created 2019/03 by Hoop (chunked, deflated non-packed netCDF4-Classic) esrl.psd.data@noaa.gov |