Which correctly describes the deep water Thermohaline Circulation? Check all that apply. The thermohaline circulation is driven by the upwelling and downwelling of water due to changes in water temperature and density, The thermohaline circulation is responsible for the exchange and movement of heat that helps regulate earth's climate system. The thermohaline circulation is primilarly driven by surface prevailing winds that form gyres. The thermohaline circulation moves clockwise in the northem hemisphere and counter-clockwise in the southern hemisphere..