cryosphere

As nouns the difference between oceanography and cryosphere

is that oceanography is the exploration and scientific study of the oceans and ocean floor while cryosphere is all those areas of the Earth where the surface is frozen.

Hudrosphere is likely misspelled.

Hudrosphere has no English definition.

As a noun cryosphere

is all those areas of the Earth where the surface is frozen.

As nouns the difference between lithosphere and cryosphere

is that lithosphere is the rigid, mechanically strong, outer layer of the Earth; divided into twelve major plates while cryosphere is all those areas of the Earth where the surface is frozen.

Hydrospere is likely misspelled.

Hydrospere has no English definition.

As a noun cryosphere is

all those areas of the Earth where the surface is frozen.