Ocean Circulation

Describe the concept of thermohaline circulation.

• Thermohaline circulation is a global atmospheric circulation pattern driven by differences in temperature and salinity.

• Thermohaline circulation is a local oceanic circulation pattern driven by differences in temperature and salinity.

• Thermohaline circulation is a global oceanic circulation pattern driven by differences in temperature and salinity.

• Thermohaline circulation is a local atmospheric circulation pattern driven by differences in temperature and salinity.

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How do ocean currents affect marine life?

• Ocean currents affect marine life by influencing the distribution of nutrients, temperature, and oxygen levels.

• Ocean currents cause harmful algal blooms in marine ecosystems.

• Ocean currents only affect the temperature of the water.

• Ocean currents have no impact on marine life.

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What are the major water bodies involved in global water circulation?

• glaciers and ice caps

• ponds and reservoirs

• oceans and seas

• rivers and lakes

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What are the main factors that drive water circulation?

• temperature, wind, and the rotation of the Earth

• salinity, tides, and ocean currents

• moon phases, gravity, and underwater topography

• precipitation, humidity, and atmospheric pressure

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How does water circulation affect climate?

• Water circulation redistributes heat and influences weather patterns.

• Water circulation causes extreme weather events.

• Water circulation only affects local weather, not climate.

• Water circulation has no effect on climate.

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What is the role of the sun in water circulation?

• The sun only affects water circulation in oceans.

• The sun has no role in water circulation.

• The sun causes water to condense and form clouds, which then leads to water circulation.

• The sun causes evaporation and drives the water circulation cycle.

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What are the different types of ocean currents?

• Tidal currents and thermohaline currents

• Warm currents and cold currents

• Equatorial currents and polar currents

• Surface currents and deep water currents

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What is the driving force behind the world wide distribution of nutrients and oxygen in our ocean?

• Surface currents

• Tides

• Upwelling and downwelling

• Deep ocean circulation

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What is the name of the world wide current that distributes nutrients and oxygen to different parts of the ocean due to the uneven heating of the earth?

• global conveyor belt

• gulf stream

• EAC

• North American Jet stream

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If left to itself, the top layer of the ocean stays

• cold

• salty

• oxygen rich

• nutrient dense

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