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Amara
Amara , town (1987 pop. 208,797), SE Iraq, on the Tigris River. It is a river port and a marketplace for rice, dates, grains, produce, wool, hides, and livestock.
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Amida
Amida , ancient city, E Asia Minor, on the Tigris River. It became (AD 230) a Roman colony and was later (4th cent.) captured by Shapur II of Persia. It is the modern Diyarbakir , Turkey.
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Tigris
Tigris , river of SW Asia, c.1,150 mi (1,850 km) long, rising in the Taurus Mts., E Turkey, and flowing SE through Iraq to join the Euphrates River, with which it forms the Shatt al Arab. The Tigris is called the Hiddekil in the Bible. It flows swiftly and receives many tributaries, including the Di...
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Pearl
Pearl Chin. Zhujiang, river, 110 mi (177 km) long, S Guangdong prov., S China. Formed at Guangzhou by the confluence of the Xi and Bei rivers, it flows E then S past Guangzhou and Huangpu island to form a large estuary between Hong Kong and Macao. The river links Guangzhou to Hong Kong and the So...
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river
river stream of water larger than a brook or creek. Land surfaces are never perfectly flat, and as a result the runoff after precipitation tends to flow downward by the shortest and steepest course in depressions formed by the intersection of slopes. Runoffs of sufficient volume and velocity join t...
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Euphrates
Euphrates , Turkish Frat, Arabic Al Furat, river of SW Asia, c.1,700 mi (2,740 km) long, formed by the confluence of the Kara and the Murad rivers, E central Turkey, and flowing generally S through Turkey into Syria, then SE through Iraq, joining with the Tigris River in SE Iraq to form the Shat...
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Fertile Crescent
Fertile Crescent historic region of the Middle East. A well-watered and fertile area, it arcs across the northern part of the Syrian desert. It is flanked on the west by the Mediterranean and on the east by the Euphrates and Tigris rivers, and includes all or parts of Israel, the West Bank, Jordan,...
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Seleucia
Seleucia , ancient city of Mesopotamia, on the Tigris below modern Baghdad. Founded (c.312 BC) by Seleucus I, it soon replaced Babylon as the main center for east-west commerce through the valley. The city was the eastern capital of the Seleucids until the Parthians conquered it. The Seleucids then ...
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delta
delta [from triangular shape of the Nile delta, like the Greek letter delta ], a deposit of clay, silt, and sand formed at the mouth of a river where the stream loses velocity and drops part of its sediment load. No delta is formed if the coast is sinking or if there is an ocean or tidal current s...
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Manicouagan
Manicouagan , river, 310 mi (499 km) long, rising in E central Que., Canada, and flowing S to the St. Lawrence River near Baie Comeau. The river is an important source of hydroelectricity.
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