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Ocean currents

Ocean currents

The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.

Geography

Keywords

ocean currents, World Ocean, sea, ocean, global conveyor belt, , wind, atmospheric circulation, Coriolis effect, flow, flux, polar wind, westerlies, trade wind, salinity, density, hydrosphere, cold, warm, temperature, water cycle, climate, nature, natural environment, geography

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Questions

  • Which of these is a cold current?
  • Which of these is a warm current?
  • Which of these is a cold current?
  • Which of these is a cold current?
  • Which of these is a cold current?
  • Which of these is a warm current?
  • Which of these is a warm current?
  • Which of these is a warm current?
  • In which direction does the Coriolis effect deflect moving objects in the Southern hemisphere?
  • By what property are ocean currents classified?
  • How long does it take for a water molecule to complete a full cycle in the global conveyor belt?
  • In which direction does the Coriolis effect deflect moving objects in the Northern hemisphere?
  • What effect do ocean currents have on the climate of Earth?
  • What are ocean currents driven by?

Scenes

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Wind, as an external force, plays an important role in shaping coastal areas and steppes.

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The Arctic tern is famous for its long migration route: it flies from the Arctic to the Antarctic and back again each year.

Climate zones

The Earth is divided into geographical and climatic zones, which result in the zonation of vegetation.

Continents and oceans

Dry land on the surface of Earth is divided into continents which are separated by oceans.

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A glacier is a large body of ice that forms from snow, and is in constant, slow motion.

How do seas shape the Earth's surface?

Seawater, as an external force, plays an important role in shaping coastlines.

Icebergs

Icebergs are blocks of frozen freshwater floating in the sea.

Layers of forests

The layers of different types of forests may vary.

Layers of the ocean

Physical properties, as well as the flora and fauna of the ocean change with depth.

Local winds

The most important types of local winds are the sea-land breeze, the mountain-valley breeze as well as the downslope winds.

Navigational instruments of the past

Several ingenious instruments have been invented over the centuries to help in navigating the seas.

Seafloor map

The boundaries of tectonic plates can be seen on the seafloor.

Seas and bays

This animation demonstrates the most important seas and bays.

Seawater desalination

The desalination process produces drinking water from seawater.

The first voyage of James Cook

James Cook's legendary journey around the world proved to be enormously valuable for science.

The water cycle (intermediate)

Water on Earth is in a continuous state of change. The water cycle includes processes such as evaporation, precipitation, melting and freezing.

Tidal power station

Tidal power stations utilise the daily fluctuation of the water level for producing electricity.

Tide

The rise and drop of sea levels caused by the gravitational force of the Moon.

Types of waves

Waves play an extremely important role in many areas of our lives.

Tsunami

Tsunami waves are very high waves of immense destructive power.

Water (H₂O)

Water is a very stable compound of hydrogen and oxygen, vital for all known forms of life. In nature it occurs in liquid, solid and gaseous state.

Glaciation

The last Ice Age ended about 13 thousand years ago.

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