In what way is thermohaline circulation different than surface current loops?

thermohaline circulation involves deep currents

A and B

thermohaline circulation is global

thermohaline currents only travel eastward

Question

In what way is thermohaline circulation different than surface current loops? 

	
thermohaline circulation involves deep currents

 	
A and B

 	
thermohaline circulation is global

 	
thermohaline currents only travel eastward

brittanyrolfe · Answer

I believe it is that thermohaline circulation is global. Here is a picture of reference to show why I picked that answer. https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Thermohaline_Circulation_2.png/350px-Thermohaline_Circulation_2.png

brittanyrolfe · Answer

Does this help? @TylerMckinney16