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Khartoum and Gezira Scheme by Nile River in Sudan – January 9th, 2012

15.5N 32.5E

January 9th, 2012 Category: Image of the day, Rivers

Sudan - January 9th, 2012

Situated near the top edge of this orthorectified wide-swath ASAR image is Khartoum, the capital and largest city of Sudan and of Khartoum State. It is located at the confluence of the White Nile flowing north from Lake Victoria, and the Blue Nile flowing west from Ethiopia. The location where the two Niles meet is known as “al-Mogran”.

Visible just southeast of the confluence of the Blue and White Nile Rivers at Khartoum is the Gezira Scheme, one of the largest irrigation projects in the world. It distributes water from the Blue Nile through canals and ditches to tenant farms lying between the the two rivers. The Gezira is particularly suited to irrigation because the soil slopes away from the Blue Nile and water therefore naturally runs through the irrigation canals by gravity.

Blue and White Nile Rivers Meeting Near Khartoum, Sudan – November 5th, 2011

November 5th, 2011 Category: Image of the day, Rivers

Sudan - November 4th, 2011

The Nile is a major north-flowing river in North Africa, generally regarded as the longest river in the world. It is 6,650 km (4,130 miles) long and runs through ten countries: Sudan, South Sudan, Burundi, Rwanda, Democratic Republic of the Congo, Tanzania, Kenya, Ethiopia, Uganda and Egypt.

The Nile has two major tributaries, the White Nile and Blue Nile. The White Nile rises in the Great Lakes region of central Africa, with the most distant source still undetermined but located in either Rwanda or Burundi. It flows north through Tanzania, Lake Victoria, Uganda and South Sudan. The Blue Nile starts at Lake Tana in Ethiopia and flows into Sudan from the southeast.

The two rivers meet near the Sudanese capital of Khartoum. Their confluence can be observed northeast of the image center. Below the point where they converge is the Gezira Scheme, an extensive area of irrigated agriculture.

Nile River Valley and Delta, Egypt – July 3rd, 2011

30.0N 31.2E

July 3rd, 2011 Category: Image of the day, Lakes, Rivers

Egypt - June 21st, 2011

The Nile River Valley appears as a thick, fertile green band on either side of the Nile River as it flows northward towards the triangular Nile Delta, in Egypt.

In the full image, cities and towns across the delta region appear as tan circles, with Cairo visible as a larger grey patch at the stem of the delta.

To the east, across the Sinai Peninsula, the Dead Sea can be seen as well. In the full image, the upper half appears mostly blue in color, while the bottom half is divided by dikes that give it a green, striated pattern.


Cities and Towns by the Nile River and Delta, Egypt – November 23rd, 2010

30.0N 31.2E

November 23rd, 2010 Category: Image of the day, Lakes, Rivers

Egypt - November 9th, 2010

The valley along the Nile River and the triangular fertile area of the river’s delta are green in color, in contrast with the nearby desert sands. The other large green area south of the delta and west of the river is the Faiyum Oasis, with Lake Moeris located at its northern edge.

Upon opening the full image, many cities and towns can be seen in the valley, oasis and delta. They appear as differently sized tan circles dotted throughout the green. The city of Cairo appears as a much larger greyish tan area at the base of the delta.

Although spotty clouds hang over parts of the delta area, the Suez Canal can be seen clearly by its right edge. In the full image, its main channel can be observed as a thin line connecting the Mediterranean Sea (above) to the Red Sea (below), and dividing the Sinai Peninsula (right) from the rest of Egypt.

One other “sea”, actually a large lake, can be seen at the upper right: the Dead Sea, between Israel-Palestine and the West Bank (left) and Jordan (right). In the full image, the series of dikes in its greenish southern basin appear as straight parallel lines.

Suez Canal East of Nile River Delta, Egypt – August 16th, 2010

30.7N 32.3E

August 16th, 2010 Category: Image of the day, Rivers

Egypt - July 30th, 2010

The Nile River Delta appears as a dark green, fan-shaped area in Egypt, on the shores of the Mediterranean Sea. The river itself is surrounded by a fertile valley; its channels are best observed in the full image where they can be distinguished from the green that surrounds them.

Another important channel can be observed in the full image, to the east of the delta: the Suez Canal. It is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea and the Red Sea. After multiple enlargements, the canal is 193.30 km (120.11 mi) long, 24 m (79 ft) deep, and 205 metres (673 ft) wide as of 2010.