Data on snow

Data Level

Level 0 (L0) are the raw observational data.
Level 1 (L1) are the calibrated radiances on a swath basis.
Level 2 (L2) are the derived products on a swath basis.
Level 3 (L3) are the derived gridded products.

Sensors

AQUA AMSR-E

Level 1A brightness temperatures

Directory /scratch/clisap/seaice/AMSR-E/L1A/YYYY/MM/DD

Level 1A brightness temperatures from ftp://suzaku.eorc.jaxa.jp/pub/AMSR/private/PI_directory/PML1. Automatic download every 30 minutes.

ENVISAT ASAR

N1 Data

Directory /scratch/clisap/seaice/ASAR/YYYY/MM/DD

Arctic and Antarctic from ESA Rolling Archive two times daily