NOAA Extended Reconstructed Sea Surface Temperature (ERSST) data
Arguments
- year
(numeric) A year. Must be > 1853. The max value is whatever the current year is. Required
- month
A month, character or numeric. If single digit (e.g. 8), we add a zero in front (e.g., 08). Required
- overwrite
(logical) To overwrite the path to store files in or not, Default:
TRUE
- version
(character) ERSST version. one of "v5" (default) or "v4"
- ...
Curl options passed on to crul::verb-GET
Details
See ersst_cache for managing cached files
ersst()
currently defaults to use ERSST v5 - you can set v4 or v5
using the version
parameter
If a request is unsuccesful, the file written to disk is deleted before the function exits.
If you use this data in your research please cite rnoaa
(citation("rnoaa")
), and cite NOAA ERSST (see citations at link above)
References
https://www.ncdc.noaa.gov/data-access/marineocean-data/extended-reconstructed-sea-surface-temperature-ersst-v5
Examples
if (FALSE) { # \dontrun{
# October, 2015
ersst(year = 2015, month = 10)
# May, 2015
ersst(year = 2015, month = 5)
ersst(year = 2015, month = "05")
# February, 1890
ersst(year = 1890, month = 2)
# Process data
library("ncdf4")
res <- ersst(year = 1890, month = 2)
## varibles
names(res$var)
## get a variable
ncdf4::ncvar_get(res, "ssta")
} # }