Data from the NCEP/NCAR Reanalysis 1
(https://psl.noaa.gov/data/gridded/data.ncep.reanalysis.html).
This data corresponds to global daily values of 500 hPa geopotential height with 2.5 x 2.5?? of spatial resolution from January 2000 to december 2002.
Usage
data(z500)
Arguments
Format
A data.frame with the following variables: lon,lat,time,value.
geographical area:
-10,30,30,60
time period:
2000-01-01 to 2002-12-31
units:
meters
References
Poli et al. (2016)
Kalnay et al.,
The NCEP/NCAR 40-year reanalysis project,
Bull. Amer. Meteor. Soc., 77, 437-470, 1996