The Canary Current is a surface current driven by wind that is part of the North Atlantic Gyre. This eastern border current splits off from the North Atlantic Current and travels southwest as far as Senegal, where it turns west and eventually joins the Atlantic North Equatorial Current. The Canary Islands inspired the current name. The Canary Current is largely blocked by the archipelago. This article will explain to you about the Canaries Current which will be helpful in Geography preparation for the UPSC Civil service exam.

Canaries Current

• The Canary Current, which is part of the North Atlantic Gyre, is a wind-driven surface current.
• Between Fram Strait and Cape Farewell, the Canary Stream is a low-salinity current. It provides a direct link between the Arctic and the North Atlantic.
• The Arctic has a significant freshwater sink.
• It contributes significantly to the export of Arctic sea ice. The Canary Islands inspired the current name.
• The archipelago partially inhibits the Canary Current's course.

Canaries Current - Geographical Properties

• The Canary Circulation, commonly known as the Canary Islands Current, is a clockwise-moving ocean current in the North Atlantic Ocean.
• Presence of a 500m deep upwelling cold current.
• It splits off from the North Atlantic Current and travels southwestward along Africa's northwest coast, as far south as Senegal, before turning westward and merging with the Atlantic North Equatorial Current.
• The trade winds, as well as the Canary Current, are at their strongest during the winter. As it passes over the Canary Islands, its core velocity can reach more than 75 cm s-1.
• It advances up to 20 degrees north of the equator, creating cyclonic gyres on the shelf along the way.

Canaries Current - Biological Properties

• Upwelling driven by offshore breezes from the continent produces the cold water temperature.
• Water is transferred from the poles to the equator.
• As the river passes around the Canary Islands, it serves to mitigate the Sahara's healing influence to the east.
• The region's great fishing grounds are a result of thermal mixing. The Arctic has a significant freshwater sink.
• Between Fram Strait and Cape Farewell, there is a low salinity current.
• It provides a direct link between the Arctic and the North Atlantic.
• It contributes significantly to the export of Arctic sea ice.
• The Canary Current, which travels around the Canary Islands, helps to lessen the Sahara's healing influence to the east.
• The Antarctic Circumpolar Circulation is the world's largest and most powerful wind-driven ocean current. It's 30 percent more powerful than scientists thought.

The Canary Current Large Marine Ecosystem (CCLME)

• The Canary Current Large Marine Ecosystem (CCLME) is one of the world's four major upwelling systems, located on the eastern coast.
• The CCLME spans the coastlines and Economic Exclusive Zones of Morocco, Western Sahara, Mauritania, Senegal, Gambia, Guinea-Bissau, and Spain, ranging from the Strait of Gibraltar (about 36°N 5°W) to the Bissagos Islands in Guinea-south Bissau's (around 11°N 16°W).

Conclusion

The Canary Current is a wind-driven surface current that forms part of the North Atlantic Gyre. Industrial expansion in the Canary Current, as well as the movement of people from interior rural regions to coastal industrial centers, have increased the risk of coastal damage. Overfishing has major socioeconomic consequences in the Canary Islands.

FAQs

MCQs

1. The Canary Current is a part of which oceanic gyre?

A) Indian Ocean Gyre
B) North Pacific Gyre
C) South Pacific Gyre
D) North Atlantic Gyre

2. What is the main characteristic of the Canary Current?

A) It is warm and nutrient-poor
B) It is cold and nutrient-rich
C) It flows from east to west
D) It is a warm current that flows towards the equator

3. Which of the following is a consequence of the Canary Current's cooling effect on the Canary Islands?

A) High temperatures year-round
B) Moderate and mild climate
C) Extreme heat in summer
D) Dry desert-like conditions

4. How does the Canary Current influence the weather in Western Europe?

A) Increases rainfall significantly
B) Warms up the climate year-round
C) Moderates temperatures and prevents extreme heat
D) Causes long drought periods

5. Which of the following is the main factor that contributes to the nutrient richness of the Canary Current?

A) Warm water temperatures
B) Oceanic upwelling
C) Freshwater influx
D) High evaporation rates

GS Mains Questions and Model Answers

Q1: Explain the role of the Canary Current in influencing the climate and marine life of the surrounding regions.

Answer: The Canary Current plays a significant role in shaping the climate and marine life of the regions it flows through, particularly along the western coast of Europe and North Africa. The cold, nutrient-rich water brought by the current helps to moderate the temperature of the Canary Islands, making the climate more temperate and favorable for agriculture and tourism. Additionally, the upwelling caused by the current supports the growth of plankton, which forms the base of the marine food chain. This high productivity supports rich fisheries and contributes to the overall biodiversity of the region. The Canary Current's cooling influence also affects the weather patterns in Spain and Portugal, preventing extreme summer heat and lowering temperatures during winter.

Q2: Analyze the role of oceanic currents, particularly the Canary Current, in global climate regulation. How do these currents affect the Atlantic Meridional Overturning Circulation (AMOC)?

Answer: Oceanic currents, including the Canary Current, play a crucial role in regulating global climate by redistributing heat and moisture across the globe. The Canary Current is part of the larger North Atlantic subtropical gyre and is essential in the Atlantic Meridional Overturning Circulation (AMOC). The current helps drive deep-water formation in the North Atlantic, which is an important component of the AMOC. This circulation pattern helps transport warm water from the equator to the higher latitudes, influencing the climate of Europe and North America. Any disruptions to the Canary Current or the AMOC can have significant consequences for global weather patterns, including changes in precipitation, temperatures, and storm patterns.

Q3: Discuss the implications of changes in the Canary Current on the marine ecosystem and the economy of the affected regions.

Answer: Changes in the Canary Current can have profound implications for both the marine ecosystem and the economy of the affected regions. A shift in the current could disrupt the upwelling of nutrient-rich water, which would negatively affect marine life, particularly the plankton that form the foundation of the food chain. This could lead to a decline in fish populations, impacting local fisheries. Additionally, a change in the Canary Current’s temperature could alter the climate of the Canary Islands and the Iberian Peninsula, potentially affecting agriculture and tourism. The economic consequences could be far-reaching, as these regions rely heavily on fisheries, agriculture, and tourism for economic growth. Effective management of oceanic currents and environmental protection is necessary to prevent these disruptions.

Previous Year Questions on Oceanic Currents

1. UPSC CSE Prelims 2020:

Question: The Canary Current flows along the coast of which continent?

A) Asia
B) Europe
C) Africa
D) Australia

Answer: (B) Europe

Explanation: The Canary Current flows along the western coast of Europe and North Africa, contributing to the climate and marine life of the region.

2. UPSC CSE Mains 2019 (GS Paper 1):

Question: How do oceanic currents like the Canary Current influence global climate and marine ecosystems?

Answer: Oceanic currents, including the Canary Current, play a vital role in regulating global climate by redistributing heat and moisture across the globe. The Canary Current helps moderate the climate of nearby regions, such as the Canary Islands, and contributes to the productivity of marine ecosystems by promoting upwelling. This influences the abundance of marine life, supporting rich fisheries and contributing to biodiversity. Changes in these currents could have significant impacts on both climate patterns and marine resources.