temperature
salinity
heat and freshwater budgets
pycnocline
thermocline
halocline
frazil ice
grease ice
pancake ice
polynya
El Ninolinks:
ocean color
Sea ice analyses
Cosmonaut Sea polynya
pancake ice
Sea ice field studies
El Niño and La Niña (National Oceanic and Atmospheric Administration)
NASA Earth's Atmosphere
Paleoclimate: Ocean Drilling Program