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Thermohaline circulation: Quiz


Question 1: The dense water masses that sink into the deep basins are formed in quite specific areas of the ________ and the Southern Ocean.
Pacific OceanIndian OceanAtlantic OceanArctic Ocean

Question 2: The formation of ________ also contributes to an increase in seawater salinity; saltier brine is left behind as the sea ice forms around it (pure water preferentially being frozen).
Arctic OceanDrift iceAntarcticaSea ice

Question 3: By contrast in the Weddell Sea off the coast of ________ near the edge of the ice pack, the effect of wind cooling is intensified by brine exclusion.
DesertAtacama DesertAntarcticaKalahari Desert

Question 4: They position themselves one above or below each other according to their ________, which depends on both temperature and salinity.

Question 5: Again, flow into the Pacific is blocked, this time by the Drake Passage between the ________ and the southernmost tip of South America.
East AntarcticaVostok StationAntarcticaAntarctic Peninsula

Question 6: ________ (AMO) (in regard to "sea surface temperature")
Atlantic multidecadal oscillationGlobal dimmingGlobal warming controversyIntergovernmental Panel on Climate Change

Question 7: This warmer, fresher water from the Pacific flows up through the South Atlantic to ________, where it cools off and undergoes evaporative cooling and sinks to the ocean floor, providing a continuous thermohaline circulation[2].
Faroe IslandsGreenlandAzoresMadeira

Question 8: Wind moving over the water also produces a great deal of evaporation, leading to a decrease in temperature, called ________.
Air conditioningEvaporative coolerCooling towerHVAC

Question 9: The term thermohaline circulation (THC) refers to the part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater ________.
FluxEnergyMaxwell's equationsMagnetic field

Question 10: Flow from the ________ Basin into the Pacific, however, is blocked by the narrow shallows of the Bering Strait.
Arctic OceanPacific OceanIndian OceanAtlantic Ocean

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