Antarctica in white, and sea water in very light blue. Sea is blue.
https://twitter.com/allixender/status/1332266269400326145
sea ice data visual
GET DATA: https://lance.nsstc.nasa.gov/amsr2-science/data/level3/seaice25/R04/hdfeos5/
ALTERNATE ACCESS: https://lance.itsc.uah.edu/amsr2-science/data/level3/seaice25/R04/hdfeos5/
PROJECT HOME PAGE: https://earthdata.nasa.gov/earth-observation-data/near-real-time
DOI: http://dx.doi.org/10.5067/AMSRU/AU_SI25_NRT_R04
CITING DATA: https://ghrc.nsstc.nasa.gov/home/about-ghrc/citing-ghrc-daac-data
D:\data\seaice_example https://nsidc.org/data/AU_SI25/versions/1 Polar Stereographic South EPSG:3412 gdal_translate.exe -of Gtiff -a_srs "+proj=stere +lat_0=-90 +lat_ts=-70 +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378273 +b=6356889.449 +units=m +no_defs" -a_ullr -3950000 4350000 3950000 -3950000 HDF5:"AMSR_U2_L3_SeaIce25km_R04_20201116.he5"://HDFEOS/GRIDS/SpPolarGrid25km/Data_Fields/SI_25km_SH_ICECON_DAY AMSR_U2_L3_SeaIce25km_R04_20201116_icecon_day_3412_tr.tif epsg:4312 lower left x -3950 E, y -3950 S upper left x -3950 ulymap 4350 X (km) Y (km) Latitude (deg) Longitude (deg) Pixel Location -3950 4350 -39.23 317.76 corner 0 4350 -51.32 0.00 midpoint 3950 4350 -39.23 42.24 corner 3950 0 -54.66 90.00 midpoint 3950 -3950 -41.45 135.00 corner 0 -3950 -54.66 180.00 midpoint -3950 -3950 -41.45 225.00 corner -3950 0 -54.66 270.00 midpoint +proj=stere +lat_0=-90 +lat_ts=-70 +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378273 +b=6356889.449 +units=m +no_defs -a_ullr -3950000 4350000 3950000 -3950000
The Jupyter notebook (view here) is provided in my GitHub repo.