Problems with the Aswan Dam. ... The Aswan High Dam provides about a half of Egypt’s power supply and has improved navigation along the river by keeping the water flow consistent. Following completion of the dam there have been extensive problems, ironically caused in part because the annual flood no longer occurs.
What are the negative effects of the Aswan Dam?
The main negative impacts of AHD are alluvial soil water logging, building up of soil salinity , overuses of chemical fertilizers and pesticides due to preventing of fine earth fertility particles by the dam, which affects the food productions and farmers health.
What are the positive and negative effects of the Aswan High Dam?
Soil and Fertility: Although one of the benefits of the Aswan High Dam was the ability of farmers to grow crops year round, the stoppage of the Nile floods has had negative effects as well. The yearly flooding deposited a layer of rich, fertile soil that was excellent for growing crops.
What is the main purpose of the Aswan Dam?
With a reservoir capacity of 132km3, the Aswan High Dam provides water for around 33,600km2 of irrigation land . It serves the irrigation needs of both Egypt and Sudan, controls flooding, generates power, and helps in improving navigation across the Nile.
What happened to Aswan High Dam?
The Aswan High Dam has produced several negative side effects, however, chief of which is a gradual decrease in the fertility and hence the productivity of Egypt’s riverside agricultural lands. This is because of the dam’s complete control of the Nile’s annual flooding .
Is the Aswan Dam Good or bad?
The Aswan Dam benefits Egypt by controlling the annual floods on the Nile River and prevents the damage which used to occur along the floodplain. The Aswan High Dam provides about half of Egypt’s power supply and has improved navigation along the river by keeping the water flow consistent.
What is biggest dam in the world?
World’s Tallest Dam
Currently, the tallest dam in the world is Nurek Dam on the Vakhsh River in Tajikistan . It is 984 feet (300 meters) tall. Hoover Dam is 726.4 feet (221.3 meters) tall.
Is the Aswan dam the largest dam in the world?
Aswan high dam, the third biggest in the world , impounds the River Nile and creates Lake Nasser. ... Robert-Bourassa is the tenth biggest dam in the world with a reservoir capacity of 61.7 billion cubic metres.
How much electricity does the Aswan High Dam produce?
The Aswan High Dam captures floodwater during rainy seasons and releases the water during times of drought. The dam also generates enormous amounts of electric power — more than 10 billion kilowatt-hours every year . That’s enough electricity to power one million color televisions for 20 years!
What was the purpose of building the new Aswan High Dam quizlet?
What was the purpose of building the New Aswan High Dam? Improve irrigation and provide hydroelectric power .
Why did they dam the Nile?
The dam is designed to control the Nile water for the expansion of cultivation and for the generation of hydroelectric power and to provide protection downstream for both crops and population against unusually high floods . The work began in 1959 and was completed in 1970.
How many dams are in Egypt?
More dams on the Nile
Over the past 50 years, six Nile Basin countries have built 25 hydroelectric dams. As of 2019, four dams were under construction with four more being studied.
How big is GERD?
The Grand Ethiopian Renaissance Dam (GERD) is a 6,450 MW hydropower project nearing completion on the Blue Nile in Ethiopia, located about 30 km upstream of the border with Sudan. It will be the largest hydropower project in Africa.
Why did Egypt build the Aswan High Dam?
The High Dam was constructed between 1960 and 1970. Its aim was to increase the amount of hydroelectric power, regulate the flooding of the Nile and increase agricultural production . The Aswan High Dam is 3,830 metres long, 980 metres wide at the base, 40 metres wide at the crest (the top) and 111 metres tall.
Why was the Aswan High Dam so controversial?
Despite its successes, the Aswan High Dam has produced several negative side effects. Most costly is the gradual decrease in the fertility of agricultural lands in the Nile delta , which used to benefit from the millions of tons of silt deposited annually by the Nile floods.
