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what caused the cataracts in the nile

by Maverick Padberg Published 3 years ago Updated 2 years ago
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Geology. Geologists indicate that the region of northern Sudan is tectonically active and this activity has caused the river to take on "youthful" characteristics. The Nubian Swell has diverted the river's course to the west, while keeping its depth shallow and causing the formation of the cataracts.

Full Answer

What are the six cataracts of the Nile?

Six Cataracts. Counted going upstream (from north to south), the First Cataract is in present day Egypt; and the Second through Sixth Cataracts are in Sudan. The First Cataract cuts through Aswan (24°04′41″N 32°52′41″E / 24.078°N 32.878°E / 24.078; 32.878 (First Cataract)) The only cataract in modern-day Egypt.

How many cataracts can you find in the Nile River?

The six cataracts of the Nile are depicted extensively by European visitors, notably by Winston Churchill in The River War (1899), where he recounts the exploits of the British trying to return to the Sudan between 1896 and 1898, after they were forced to leave in 1885. Between what cataracts of the Nile river is Nubia located?

Which cataract was the most important from the Nile?

What are the six cataracts of the Nile River?

  • The First Cataract is.
  • The Second Cataract (or Great Cataract) was in Nubia and is now submerged.
  • The Third Cataract is around.
  • The Fourth Cataract is in the Manasir Desert and will be flooded by the Merowe Dam from 2006.
  • The Fifth Cataract is near the confluence with.

How do you get around the Nile River cataracts?

The Nile River has a marshy delta. As a result, Egyptians could not build a port at the mouth of the Nile. This made it difficult for invaders to reach Egyptian settlements along the river. In addition, the rough waters, or cataracts, in the southern part of the river made travel and invasion difficult.

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What are the cataracts on the Nile river?

The Cataracts of the Nile are shallow lengths of the Nile River, between Khartoum and Aswan, where the surface of the water is broken by many small boulders and stones jutting out of the river bed, as well as many rocky islets.

What is the first cataract of the Nile river?

The Nile River is shown above passing the granite islands that form the first cataract at Aswan City, Egypt. Cataracts occur where outcrops of granite, as well as other resistant rocks, reach the banks of the Nile River.

What is a cataract and how many does the river Nile have?

Yes, the Nile's most significant rapids are the six “Cataracts of the Nile.” The Cataracts of the Nile are a long, shallow stretch of the river between Khartoum, Sudan, and Aswan, Egypt. 7.

What is a cataract in ancient Egypt?

In fact, “cataract” means both an opacity of the lens and a torrent of water and is derived from the Greek word kataráktēs meaning the fall of water. A wall painting in an ancient tomb at Thebes (about 1200 B.C.) seems to reveal the treatment of an eye by an oculist.

Why were cataracts important to ancient Egypt?

The cataract system created a natural boundary at Aswan, separating Egypt from its southern neighbor, Nubia.

How did the cataracts help Egypt?

Nile's cataracts helped and hurt Egypt by flooding every year and bringing down boulders and trees. The Egyptians were protected from invaders due to their geographical features. Furthermore the cataracts in the Nile to the south protected the Egyptians from lands below them.

Are the cataracts Egypt?

Individuals can find the cataracts between Aswan in Egpyt and Khartoum in Sudan. Five of the six major sections are located in Sudan, with one in Egypt at Aswan.

What do cataracts mean?

Cataracts are the clouding of the lens of your eye, which is normally clear. Most cataracts develop slowly over time, causing symptoms such as blurry vision. Cataracts can be surgically removed through an outpatient procedure that restores vision in nearly everyone.

What is a cataract in the Nile river make transportation difficult?

How did cataracts in the Nile River make transportation difficult? Cataracts caused parts of the riverbed to dry out. Cataracts contained rocks and boulders that made the river impassable.

How did Egyptians remove cataracts?

In antiquity, as early as the 5th century, the first form of a cataract operation was performed, known as couching. This method consisted of dislocating the cataract lens, moving it away from the pupil, and letting it sit in the vitreous cavity towards the rear of the eye.

Did the Egyptians do cataract surgery?

These findings confirm the high surgical skill level achieved and the possibility that ancient Egyptians and Babylonians used the couching procedure to dislodge the cataract away from the pupil before Indian surgeons.

What are the cataracts along the Nile similar to?

The cataracts along the Nile are most similar to where boulders turn the river into churning rapids.

What causes a cataract?

After age 40, the proteins in the lens of your eye naturally start to break down. Most cataracts happen because of these natural changes.

Why do cataracts form?

Cataracts form when the proteins in the lens of your eye clump together, making your lens cloudy.

Why do cataracts keep you from seeing?

Cataracts keep you from seeing clearly because light can’t pass through the clumps of proteins in your lens very easily. Over time, the clumps of proteins get bigger and thicker, making it harder for you to see. The lens may also develop a yellow or brown tint, which can change how you see colors.

What is the cloudy area in the lens of your eye?

A cataract is a cloudy area in the lens of your eye. Cataracts can make your vision blurry, hazy, or less colorful. Most cataracts are caused by natural changes in your eyes as you get older. The good news is that surgery can get rid of cataracts. Learn more about cataracts.

What is the lens made of?

Your lens is mostly made of water and proteins. Normally, the proteins line up in a special way so that your lens is completely clear and light can pass through easily. If the proteins in your lens clump together, the lens gets cloudy.

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1.Cataracts of the Nile - Wikipedia

Url:https://en.wikipedia.org/wiki/Cataracts_of_the_Nile

17 hours ago Most cataracts develop when aging or injury changes the tissue that makes up your eye's lens. Some inherited genetic disorders that cause other health problems can increase your risk of …

2.Causes of Cataract | National Eye Institute

Url:https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/cataracts/causes-cataract

35 hours ago The six first cataracts of the River Nile were the main obstacles for boats sailing on the Nile in antiquity. Counted upstream ... Some inherited genetic disorders that cause other health …

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