The entire Keta municipality is now just a narrow stretch of land and is the area worst affected by sea erosion in Ghana. A 2010 study by the World Bank paints a grim picture for the rest of the country. Rising sea levels are swallowing up land along the West African coastline at an astonishing rate.
How is West Africa impacted by erosion?
Coastal erosion is a major problem for Africa. … Coastal erosion has devastating effects, inducing the loss of infrastructure such as roads. It also threatens populations, who can no longer live close to the coastline, and the worry is it is expected to increase due to climate change and sea level rise.
What is one reason the Coast important in West Africa?
Coastal habitats such as mangroves and coral reefs, both important breeding grounds for fish, as well as hydrocarbon and mineral deposits, have helped foster thriving cities, trade, commerce and economic development in the region’s coastal zones, the source of 56% of West Africa’s gross domestic product (GDP.)
Where is coastal erosion the worst?
The three worst places for coastal erosion are along the Gulf of Mexico. In part, this is because of the flatter topography of the Gulf shoreline. For example, the sand dunes on Florida’s Gulf coast average eight feet, but on the Atlantic coast of Florida, dunes average 15 feet, providing more protection.
Why is there so much erosion in West Africa?
Critical ecosystems such as beaches and mangroves as well as many farmlands have been devastated. Erosion is due to both natural and manmade factors and cost nearly $ 1 billion to the four countries. The coastline is very dynamic.
What is the west coast of Africa called?
Western Africa, region of the western African continent comprising the countries of Benin, Burkina Faso, Cameroon, Cabo Verde, Chad, Côte d’Ivoire, Equatorial Guinea, The Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, and Togo.
Which ocean washes the shores of West Africa?
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.
Which country is the best in West Africa?
Despite being the smallest country in Africa, The Gambia is regarded as West Africa’s best-kept secret. Surrounded by golden beaches backed by swaying palms sprinkled with scenic lagoons, an abundance of wildlife, vibrant history and culture, it offers visitors an opportunity to get in touch with nature.
Which country is the biggest in West Africa?
Chad, Mali, Mauritania and the Niger are by far the largest countries of West Africa, with a total land area accounting for almost 65 percent of the subregion, although mostly desert.
Chapter 14. West Africa.
|Land area||122 019|
|Forest area 2000||13 172|
How many country do we have in West Africa?
There are sixteen countries in West Africa and one British Overseas Territory, Saint Helena. According to the United Nations Population Division, an estimated 392 million people live in West Africa (in 2019).
How do you stop shore erosion?
Prevent erosion of higher shoreline bluffs by:
- Retaining moisture-absorbing vegetation on the bluff.
- Diverting surface runoff away from the bluff (including rain gutter outlets).
- Reducing runoff rate toward the bluff.
- Minimizing paved areas that increase runoff.
- Limiting ground water flow toward the bluff.
What are 3 ways to prevent beach erosion?
Since erosion is unavoidable, the problem becomes discovering ways to prevent it. Present beach erosion prevention methods include sand dunes, vegetation, seawalls, sandbags, and sand fences.
Can beaches disappear?
Half of world’s sandy beaches could disappear due to sea level rise by 2100. Up to half of the world’s sandy beaches are at risk of disappearing by the end of this century if no action is taken to limit greenhouse gas emissions. That’s according to a new study, published in Nature Climate Change.
What is the physical geography of western Africa?
The region of West Africa includes the southern portion of the bulge of the continent, which extends westward to the Atlantic Ocean. This region is bisected by the African Transition Zone, which borders the southern edge of the Sahara Desert. The main physical features include the Sahara Desert and the Niger River.
What are the sixteen countries in West Africa?
The West Africa UN subregion includes the following countries:Benin, Burkina Faso, Cape Verde, Côte D’Ivoire, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Togo .
What are the threats caused by erosion to the coastline?
The threats to coastal communities include extreme natural events such as hurricanes, coastal storms, tsunamis, and landslides, as well as longer-term risks of coastal erosion and sea level rise.