Seawater

Pure H20 and ……….

Salts

• Where do the salts in seawater come from?

Calculating Salinity

• Salinity =

• Take 1000 kg of seawater

Measured in….

Salinity Range

Avg. ocean salinity is …….

High rain or river runoff will drop salinity=

Brackish water….

Areas of high evaporation and poor circulation =

Hypersaline water

Solutes and Ocean Resources

• Lots of good and bad solutes in the ocean

• What adds salts to the oceans?• 1• 2

• What removes salts from the oceans?• 1• 2• 3

Rule of Constant Proportions

• What is it?

What does it imply about the world’s oceans?

Why is this important to the living organisms in sea water?

Temp, Density, Salinity and Depth

Temp, Density, Salinity and Depth

GAS EXCHANGE

Light

Pressure and depth

FREEDIVING CLIP

Water and Sound

Coriolis Effect

WIND PATTERNS