Southern Ocean GHRSST contours in sf data frame from 2017-07-28, read from
podaac-ftp.jpl.nasa.gov/allData/ghrsst/data/GDS2/L4 GLOB/JPL/MUR/v4.1/2017/209/ 20170728090000-JPL-L4_GHRSST-SSTfnd-MUR-GLOB-v02.0-fv04.1.nc
See data-raw/sst_c.R for the derivation column sst_c in Celsius.
Also stored in GeoPackage format in
system.file("extdata/sst_c.gpkg", package = "vapour")
f <- system.file("extdata/sst_c.gpkg", package = "vapour")
## create a class-less form of the data in the 'sst_c.gpkg' file with GeoJSON geometry
atts <- vapour_read_fields(f)
dat <- as.data.frame(atts, stringsAsFactors = FALSE)
dat[["json"]] <- vapour_read_geometry_text(f)
names(dat)
#> [1] "level" "sst" "json"
names(sst_c)
#> [1] "level" "geometry" "sst"