The southern part of the African continent contains rapids and shallow river point making navigation difficult and the rivers up in the region becomes thin like a stream due to heavy heat during summer.
Why are some rivers not used for navigation?
Most of our rivers are no longer navigable. The building of weirs, without locks stop navigation except during floods. Then during floods the lack of lifting span or high clearance bridges would stop navigation.
Why are most parts of river Nile not navigable?
Outcropping crystalline rocks that cross the course of the Nile cause the five famous cataracts. Because of these cataracts, the river is not completely navigable, although sections between the cataracts are navigable by sailing vessels and by river steamers.
Why most rivers in Uganda are not navigable?
Most of our rivers are: Swampy and this cannot allow water transport. Most rivers are characterized by many meanders and this cannot make navigation easy.
What are the major factors that affect the navigability of African rivers?
NOTEDeltaic mouths, mangrove swamps, the fluctuationregime of the rivers, and waterfalls and rapids acrossthe major rivers of Africa hinder the navigability oftheir courses.
Which river is suitable for navigation in India?
The Ganga-Bhagirathi-Hooghly between Allahabad-Haldia (1620 km) in UP, Bihar, Jharkhand and West Bengal, the Sadiya-Dhubri stretch of river Brahmaputra (891 km) in Assam and the Kollam-Kottapuram stretch of West Coast Canal along with Champakara and Udyogmandal Canals (205 km) in Kerala have so far been declared as …
Which rivers are not navigable?
peninsular rivers are not navigable . why? The rivers of Peninsular India are not suitable for navigation as they flow swiftly over the plateaus and highlands. The rivers in South India are rain-fed and dry up in the hot and dry season.
Has the Nile ever dried up?
The fertile arc-shaped basin is home to nearly half the country’s population, and the river that feeds it provides Egypt with 90% of its water needs. But climbing temperatures and drought are drying up the mighty Nile – a problem compounded by rising seas and soil salinization, experts and farmers say.
What’s the largest river in the world?
Here is a list of five longest rivers of the world
- Nile River: The longest river in the world. Nile River: the longest river in the world (Image: 10mosttoday)
- Amazon River: Second longest and the largest by water flow. Amazon River (Image: 10mosttoday) …
- Yangtze River: The longest river in Asia. …
- Mississippi-Missouri. …
Why are rivers not good for transport?
Most rivers are seasonal and therefore the water levels fluctuate making it difficult to sail. … Presence of waterfalls and rapids along the courses of some of the rivers hinder development of river transport as they have increased velocity of river water/very steep.
What is the Blue Nile and White Nile?
Blue Nile and White Nile are two tributaries of the Nile that flow from the South into what is referred to as the Nile proper, the longest river in the world. While the White Nile is the longer tributary, the Blue Nile is the main source of water and fertile soil.
What is Africa known for geographically?
Africa is sometimes nicknamed the “Mother Continent” due to its being the oldest inhabited continent on Earth. … Africa has eight major physical regions: the Sahara, the Sahel, the Ethiopian Highlands, the savanna, the Swahili Coast, the rain forest, the African Great Lakes, and Southern Africa.