1. Thermohaline circulation
Density of Ocean Water
Thermohaline circulation

2. Saltwater vs. Freshwater
____________________ has a_____________ density than freshwater
It contains many dissolved substances which add mass
Ex: you float better in the ocean than in a lake

3. Salinity
___________________ is the amount of _________________ dissolved in water
Measured in _______________________
Salinities near shores vary due to the addition of ____________________ from rivers

4. Thermohaline circulation
Currents caused by _____________________ in __________________ and ___________
___________, saltier water__________, displacing ___________________ warm water
________________ water travels towards the __________________; ____________ water travels towards the_____________________

5. Ex: Antarctica – water freezes, leaving _______________behind
Creates ______________ dense water
Dense water _______________
Travels to the equator
___________________ ___________ water which rises and travels to the poles

6. Global Conveyor Belt

7. How does this affect climate?
The GCB brings________ ______ north to high latitudes ( US, Canada, Europe)
Provides them with a ________________ climate
Even a small____________________ in surface salinity (_______________________________) prevents water from sinking
This addition could throw off the GCB