Gulf of Guinea
-
What is the Gulf of Guinea?
The Gulf of Guinea is in the eastern tropical Atlantic Ocean off the western African coast, starting from Cap LĂłpez near the Equator, and stretching to Cape Palmas. The Volta and Niger rivers are its major tributaries. The Gulf's shoreline corresponds to South America's continental margin, confirming continental drift theory. The northern coast is influenced by the Guinea Current, with warm, low-salinity tropical water due to river discharge and rainfall. Its natural resources include offshore oil and hard mineral deposits.
7 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
Where is the Gulf of Guinea located?
The Gulf of Guinea is in the eastern tropical Atlantic Ocean off the western African coast. It stretches from Cap LĂłpez near the Equator westward to Cape Palmas. The Gulf's coastline is part of the western edge of the African tectonic plate, mirroring South America's continental margin from Brazil to the Guianas. The northern coast is washed by the Guinea Current, flowing eastward 250â300 miles offshore from Senegal to the Bight of Biafra.
4 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
Which countries border the Gulf of Guinea?
The Gulf of Guinea is bordered by the following countries:
- Benin
- Cameroon
- Cote dâIvoire
- Equatorial Guinea
- Gabon
- Ghana
- Nigeria
- Togo
The Gulf of Guinea, a part of the eastern tropical Atlantic Ocean, is off the western African coast. The coastline corresponds to the continental margin of South America. The gulfâs tropical water has low salinity because of river effluents and high rainfall along the coast. Natural resources in the area include offshore oil and hard mineral deposits.
3 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
Why is the Gulf of Guinea important for shipping and trade?
The Gulf of Guinea is important for shipping and trade due to its natural resources and strategic position. The Gulf's natural resources include offshore oil deposits and hard minerals within the continental shelf. Its location along the western African coast has made it a key area for European sea traders since the 15th century.
Several ports, such as Malabo, Port Harcourt, and Douala, facilitate trade in the region. The discovery of petroleum in the Niger River delta in the late 1950s further boosted its economic importance.
7 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
What natural resources are found in the Gulf of Guinea region?
The Gulf of Guinea is rich in natural resources, including offshore oil deposits and hard minerals within its continental shelf. Sub-Saharan Africa, especially West Africa, possesses a wealth of resources with supergiant and giant fields.
Countries such as Nigeria, Angola, Equatorial Guinea, and Gabon contain the majority of sub-Saharan Africa's recoverable reserves and supergiant or giant fields. Equatorial Guinea also has deposits of gold, titanium, manganese, iron ore, and uranium, though they are largely undeveloped. Traditionally, cocoa, coffee, and timber have been significant commodities in Equatorial Guinea.
5 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
What environmental challenges does the Gulf of Guinea face today?
The Gulf of Guinea faces several environmental challenges today. Marine pollution is increasing in coastal waters, particularly near populated areas, industrial centers, and river mouths. This pollution stems from land-based sources like sewage, industrial waste containing heavy metals, and agricultural runoff containing fertilizers and pesticides.
Excessive nutrients in the water lead to algal blooms, depleting oxygen and harming aquatic life. Pesticides like DDT and stable compounds such as PCBs pose a threat to marine life and humans due to their resistance to breakdown and accumulation in organisms. Overfishing also threatens the biodiversity of the Gulf of Guinea.
5 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Gulf of Guinea, part of the eastern tropical Atlantic Ocean off the western African coast, extending westward from Cap López, near the Equator, to Cape Palmas at longitude 7° west. Its major tributaries include the Volta and Niger rivers.
The coastline of the Gulf of Guinea forms part of the western edge of the African tectonic plate and corresponds remarkably to the continental margin of South America running from Brazil to the Guianas. The coincidence between the geology and the geomorphology of these two coastlines constitutes one of the clearest confirmations of the theory of continental drift.
The continental shelf of the Gulf of Guinea is almost uniformly narrow and widens to as much as 100 miles (160 km) only from Sierra Leone to the BijagĂłs Archipelago, Guinea-Bissau, and in the Bight of Biafra. The Niger River has built a great delta of Holocene muds (i.e., those less than 11,700 years old)âand it is only here that the fit between the African and South American tectonic plates is seriously disturbed.
The only active volcanic region is the island arc aligned with Mount Cameroon (13,353 feet [4,070 metres]) on the coast of the Cameroon Republic; the islands of this arc (Bioko [Fernando Po], PrĂncipe, SĂŁo TomĂ©, and AnnobĂłn) extend 450 miles (724 km) offshore to the southwest.
The entire northern coast of the gulf is washed by the eastward flow of the Guinea Current, which extends 250â300 miles (400â480 km) offshore from Senegal to the Bight of Biafra. The gulfâs tropical water is separated from the Equator-ward flow of the cool Benguela and Canary currents by sharp frontal regions off the Congo and Senegal rivers, respectively. The Benguela Current, as it swings westward, forms the South Equatorial Current to the south of, and running counter to, the Guinea Current.
The warm tropical water of the Gulf of Guinea is of relatively low salinity because of river effluents and high rainfall along the coast. This warm water is separated from deeper, more-saline, and colder water by a shallow thermoclineâa layer of water between upper and lower levels that lies usually less than 100 feet (30 metres) deep. Coastal upwelling, and hence a rich production of plant and animal life, occurs seasonally and locally off the central gulf coasts of Ghana and CĂŽte dâIvoire.
The variety of the marine flora and fauna of the Gulf of Guinea is limited when compared with that of the western tropical Atlantic and, especially, with the Indo-Pacific biogeographic realm. This relative biological poverty results from (1) a lack of coral-reef ecosystems because of low salinity and the high turbidity of Guinea Current water and (2) the climatic regression to cool conditions during the Miocene Epoch (i.e., some 23 to 5.3 million years ago), during which far fewer refuges for tropical species of animals and plants were available in the Atlantic than in the Indo-Pacific region.
The trusted destination for professionals, college students, and lifelong learners.
SUBSCRIBE
Because most of the coast is low-lying, without natural harbours, and largely separated from the dry land of the interior by a belt of muddy mangrove-infested creeks and lagoons, the African coastal peoples have usually not taken easily to seafaring on the gulf. Groups located in CĂŽte dâIvoire and Ghana, where the coast is less irregular and coastal fisheries are relatively productive, form an exception. The gulfâs natural resources include offshore oil deposits and deposits of hard minerals within the continental shelf.