Day 14 - Climate Change: Sea ice extent around Antarctica¶

Antarctica in white, and sea water in very light blue. Sea is blue.

https://twitter.com/allixender/status/1332266269400326145

Data¶

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.

Day 13 - Raster Interpolation of Temperature Day 15 - Connections: The countries of the river Danube in Europe