• Saturday June 25,2022

Ocean currents

We explain what marine currents are and the types that exist. In addition, the causes of its formation and the main marine currents.

Marine currents involve both cold and warm bodies of water.
  1. What are sea currents?

It is referred to as ocean currents, ocean currents, a type of movement, a characteristic of the waters that constitute the oceans and the seas. They are extensive, and that are due to a multitude of factors, both to terrestrial rotation, winds and the location of the continents.

Marine currents often involve both cold and warm bodies of water, which connect various climatic bands of the globe, traveling both superficially and underwater:

  • The warm currents are surface waters that originate in the oceans of the intertropical zone and that migrate from the eastern coasts of the continents to the middle and high latitudes, against terrestrial rotation and yes. lo in the northern hemisphere.
  • The cold currents are waters of low temperature and great depth, which start from the intertropical or subtropical zone, and compensate for the effect of the warm when they reach the western coasts of the continents. They are particular to Arctic regions, since in the Antarctic zone there is hardly a circular current around the pole.

The constant displacement of these marine currents throughout the world makes it possible to maintain an energetic and caloric cycle on the planet, which results in a set of more or less fixed climates in certain regions, such as dry climates on the western coasts of the intertropical or subtropical zone, and a more humid and humid climate on the western coasts of the continents in the middle and high latitudes. Salinity levels in ocean waters. This joint cycle is known as the World Thermohalina Circulation .

See also: Tidal waves.

  1. Types of sea currents

Ocean currents show a movement generated by the earth's rotation.

We can talk about the following types of currents, according to their characteristics:

  • Ocean currents . They present a constant movement generated by the terrestrial rotation, in general in the east-west direction in the intertropical zone, or in the opposite direction in the middle or high latitudes.
  • Tidal currents Periodic currents of daily cycle, which produces the attraction of the Moon and the Sun on the surface of the waters, that is, in warm waters. They move huge amounts of water from the northern hemisphere to the south and vice versa.
  • Swell currents . Produced by winds, especially by storms or hurricanes, they take place on the surface of the waters and have a limited impact.
  • Streams of coastal drift . They are due to the encounter of the currents with the layout of the relief of the coasts, which forces them to modify their orientation or their direction.
  • Density currents Those that originate in the contact zone between two bodies of water with different density, such as those more and less saline, or more and less warm. They usually occur in straits between different seas and oceans, along the equatorial axis, or along the Arctic circle.
  1. Causes of sea currents

The cold waters of the ocean arise towards the surface pushing the warm ones in its path.

The three most important physical causes of ocean currents are:

  • Earth movements Both the translation and the rotation of the planet cause constant movements of the water bodies, although in many cases they move in the opposite direction to the Earth's rotation.
  • The planetary winds . It is not true that the winds directly cause the tides, but they do contribute to this, by displacing not only surface waters (as in the waves), but also mobilizing the atmosphere to circulate the heat energy of the environment, which has An impact on water.
  • The rise of cold waters . The deep waters of the ocean are cold, since they are denser and have less energy. These waters arise towards the surface in specific areas of the intertropical zone, pushing the warm ones in their path.
  1. Main marine currents of the world

The main known sea currents are, according to the Ocean:

Arctic Ocean :

  • West Greenland Current.
  • East Greenland Current.
  • Norway stream.

Atlantic Ocean .

  • Current of the Antilles.
  • North Atlantic Current.
  • South Atlantic Current.
  • Stream of Bengal.
  • Brazil current.
  • Cape Horn Current.
  • Current of the Canary Islands.
  • Caribbean Stream
  • Northern Equatorial Current.
  • Southern Equatorial Current.
  • Gulf Stream.
  • Guinea stream.
  • Labrador current.
  • Madagascar stream.
  • Current of the Falklands.
  • Current of northern Brazil.
  • Portugal stream.
  • Current of Spitzbergen.

Pacific Ocean .

  • Alaska Current.
  • Aleutian stream.
  • East Australia stream.
  • California Current.
  • Cromwell current.
  • Humboldt Current
  • Kamchatka stream.
  • Current of Kuroshio o of Japan.
  • Mindanao stream.
  • Child's current.
  • Current of Oyashio.
  • North Pacific Current.

Indian Ocean .

  • Needle Current.
  • Western Australia stream.
  • Southern Equatorial Current.
  • East stream of Madagascar.
  • Current of Leeuwin.
  • Madagascar stream.
  • Monz n Current.
  • Mozambique Current.
  • Somalia stream.

Oceanic Ocean .

  • Current Ant rtica.
  • Circumpolar Antarctic Current.
  • Giro Wedell.

Interesting Articles

Coexistence

Coexistence

We explain to you what coexistence is, the question of whether the human being is selfish or solidary by nature and the patterns of coexistence. Coexistence is the relationship of people with the social groups that they integrate. What is living together? Coexistence is the physical and peaceful coexistence between individuals or groups that must share a space

Mortality

Mortality

We explain what mortality is, what is the mortality rate and what is birth. In addition, infant morbidity and mortality. It is known that human mortality is higher in men than in women. What is mortality? Human beings are mortal, that is, we are going to die, and therefore we have a particular relationship with mortality

Indifference

Indifference

We explain what indifference is and what are its possible causes. In addition, some examples of this feeling. Indifference can indicate an attitude of survival, such as a shield or armor. What is indifference? Indifference is that feeling of remaining immobile , both in motion and in feeling, in the face of any situation, idea or person

Geosphere

Geosphere

We explain to you what the geosphere is and how its structure is. In addition, how this set of layers is composed and its importance. The study of the geosphere is carried out through the experimental review of the soils. What s the ge sphere? In the natural sciences, the set of layers that make up the solid part of the Earth is called the `` sphere '' or `` geosphere

Philosophical Disciplines

Philosophical Disciplines

We explain to you what they are and what are the philosophical disciplines, what they are dealing with and the characteristics of each one. Philosophical disciplines offer different views on human existence. What are the philosophical disciplines? Philosophical disciplines, also called branches of philosophy, are the various aspects of study that comprise philosophy , that is, that are inserted into it as a much larger field

Effective Communication

Effective Communication

We explain to you what effective communication is and what its elements are. In addition, why it is so important and some examples. It is very important that the issuer knows clearly what he wants to transmit. What is effective communication? Effective communication is one in which the sender and the receiver encode a message in equivalent form