Name: _____________________________________
Date: ________________________________
Oceans 11
Deep Ocean Circulation – class notes
Recall
There are two categories of ocean currents:
1. Surface currents (we studied these last week)
2. Deep ocean circulation
Deep ocean circulation consists of _____% of the ocean water.
The ____________ circulation of water at great ___________.
Driven by _____________ differences.
Very ___________ water:

____________________

High __________________
The Great Ocean Conveyor Belt
Connects all _____________. Has an enormous effect on:
1. _____________ _____________ (heat transfer)
2. ______________ industry – upwelling areas are great fishing grounds
Thermohaline Circulation
Global Warming Effects:
1. _______________ ice makes polar seas less salty. Less __________, therefore no sinking.
2. _______________ water evaporate and are more __________. More _____________.
Upwelling
The movement of __________, _________, _____________ rich water to the surface. The nutrients promote
the growth of:
1. _______________
2. _______________