download_geos {amadeus} | R Documentation |
The download_geos()
function accesses and downloads various
atmospheric composition collections from NASA's Global Earth Observing System (GEOS) model.
download_geos(
collection = c("aqc_tavg_1hr_g1440x721_v1", "chm_tavg_1hr_g1440x721_v1",
"met_tavg_1hr_g1440x721_x1", "xgc_tavg_1hr_g1440x721_x1",
"chm_inst_1hr_g1440x721_p23", "met_inst_1hr_g1440x721_p23"),
date = c("2018-01-01", "2018-01-01"),
directory_to_save = NULL,
acknowledgement = FALSE,
download = FALSE,
remove_command = FALSE,
hash = FALSE
)
collection |
character(1). GEOS-CF data collection file name. |
date |
character(1 or 2). length of 10. Date or start/end dates for downloading data.
Format "YYYY-MM-DD" (ex. January 1, 2018 = |
directory_to_save |
character(1). Directory to save data.
Sub-directories will be created within |
acknowledgement |
logical(1). By setting |
download |
logical(1). |
remove_command |
logical(1).
Remove ( |
hash |
logical(1). By setting |
For hash = FALSE
, NULL
For hash = TRUE
, an rlang::hash_file
character.
netCDF (.nc4) files will be stored in a
collection-specific folder within directory_to_save
.
Mitchell Manware, Insang Song
Keller CA, Knowland KE, Duncan BN, Liu J, Anderson DC, Das S, Lucchesi RA, Lundgren EW, Nicely JM, Nielsen E, Ott LE, Saunders E, Strode SA, Wales PA, Jacob DJ, Pawson S (2021). “Description of the NASA GEOS Composition Forecast Modeling System GEOS‐CF v1.0.” Journal of Advances in Modeling Earth Systems, 13(4), e2020MS002413. ISSN 1942-2466, 1942-2466, doi:10.1029/2020MS002413.
## Not run:
download_geos(
collection = "aqc_tavg_1hr_g1440x721_v1",
date = "2024-01-01",
directory_to_save = tempdir(),
acknowledgement = TRUE,
download = FALSE, # NOTE: download skipped for examples,
remove_command = TRUE
)
## End(Not run)