A data source name to the IBCSO elevation 'COG' GeoTIFF.
ibcso(vsi = TRUE, chart = FALSE)
character string, URL to online raster
Currently at v2.
ibcso()
#> [1] "/vsicurl/https://github.com/mdsumner/ibcso-cog/raw/main/IBCSO_v2_ice-surface_cog.tif"