Data is colour-palette GeoTIFF in polar stereographic raster format.
Usage
nsidc_seaice(
date,
hemisphere = c("south", "north"),
temporal = c("daily", "monthly"),
varname = c("concentration", "extent"),
vsi = TRUE
)
Arguments
- date
date in POSIXct or Date format, see Details
- hemisphere
hemisphere of data source, north or south
- temporal
temporal resolution of data source, daily or monthly
- varname
variable name to obtain, concentration or extent (note this is a colour image)
- vsi
prepend DSN with "/vsicurl/" or not
Value
character string, GDAL readable DSN to a colour palette GeoTIFF (see args 'vsi' and others for options)
Details
The availability of the date is not checked currently, the minimum date is 1978-10-26. Please note that these
data were only every two days from date, until a later time (FIXME get these details).
Examples
nsidc_seaice("2023-06-27")
#> [1] "/vsicurl/https://noaadata.apps.nsidc.org/NOAA/G02135/south/daily/geotiff/2023/06_Jun/S_20230627_concentration_v4.0.tif"