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Iraq

 
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Iraq

Water Resources

Iraq has more water than most Middle Eastern nations, which led to the establishment of one of the world's earliest and most advanced civilizations. Strong, centralized governments--a phenomenon known as "hydraulic despotism"--emerged because of the need for organization and for technology in order to exploit the Tigris and Euphrates rivers. Archaeologists believe that the high point in the development of the irrigation system occurred about 500 A.D., when a network of irrigation canals permitted widespread cultivation that made the river basin into a regional granary (see Ancient Mesopotamia , ch. 1). Having been poorly maintained, the irrigation and drainage canals had deteriorated badly by the twelfth and thirteenth centuries, when the Mongols destroyed what remained of the system (see The Mongol Invasion , ch. 1).

About one-fifth of Iraq's territory consists of farmland. About half of this total cultivated area is in the northeastern plains and mountain valleys, where sufficient rain falls to sustain agriculture. The remainder of the cultivated land is in the valleys of the Euphrates and Tigris rivers, which receive scant rainfall and rely instead on water from the rivers. Both rivers are fed by snowpack and rainfall in eastern Turkey and in northwest Iran. The rivers' discharge peaks in March and in May, too late for winter crops and too early for summer crops. The flow of the rivers varies considerably every year. Destructive flooding, particularly of the Tigris, is not uncommon, and some scholars have placed numerous great flood legends, including the biblical story of Noah and the ark, in this area. Conversely, years of low flow make irrigation and agriculture difficult.

Not until the twentieth century did Iraq make a concerted effort to restore its irrigation and drainage network and to control seasonal flooding. Various regimes constructed several large dams and river control projects, rehabilitated old canals, and built new irrigation systems. Barrages were constructed on both the Tigris and the Euphrates to channel water into natural depressions so that floods could be controlled. It was also hoped that the water could be used for irrigation after the rivers peaked in the spring, but the combination of high evaporation from the reservoirs and the absorption of salt residues in the depressions made some of the water too brackish for agricultural use. Some dams that created large reservoirs were built in the valleys of tributaries of the Tigris, a measure that diminished spring flooding and evened out the supply of water over the cropping season. When the Euphrates was flowing at an exceptionally low level in 1984, the government was able to release water stored in reservoirs to sustain farmers.

In 1988 barrages or dam reservoirs existed at Samarra, Dukan, Darband, and Khan on the Tigris and Habbaniyah on the Euphrates. Two new dams on the Tigris at Mosul and Al Hadithah, named respectively the Saddam and Al Qadisiyah, were on the verge of completion in 1988. Furthermore, a Chinese-Brazilian joint venture was constructing a US$2 billion dam on the Great Zab River, a Tigris tributary in northeastern Iraq. Additional dams were planned for Badush and Fathah, both on the Tigris. In Hindiyah on the Euphrates and in Ash Shinafiyah on the Euphrates, Chinese contractors were building a series of barrages.

Geographic factors contributed to Iraq's water problems. Like all rivers, the Tigris and the Euphrates carry large amounts of silt downstream. This silt is deposited in river channels, in canals, and on the flood plains. In Iraq, the soil has a high saline content. As the water table rises through flooding or through irrigation, salt rises into the topsoil, rendering agricultural land sterile. In addition, the alluvial silt is highly saline. Drainage thus becomes very important; however, Iraq's terrain is very flat. Baghdad, for example, although 550 kilometers from the Persian Gulf, is only 34 meters above sea level. This slight gradient makes the plains susceptible to flooding and, although it facilitates irrigation, it also hampers drainage. The flat terrain also provides relatively few sites for dams. Most important, Iraq lies downstream from both Syria and Turkey on the Euphrates River and downstream from Turkey on the Tigris River. In the early 1970s, both Syria and Turkey completed large dams on the Euphrates and filled vast reservoirs. Iraqi officials protested the sharp decrease in the river's flow, claiming that irrigated areas along the Euphrates in Iraq dropped from 136,000 hectares to 10,000 hectares from 1974 to 1975.

Despite cordial relations between Iraq and Turkey in the late 1980s, the issue of water allocation continued to cause friction between the two governments. In 1986 Turkey completed tunnels to divert an estimated one-fifth of the water from the Euphrates into the Atatόrk Dam reservoir. The Turkish government reassured Iraq that in the long run downstream flows would revert to normal. Iraqi protests were muted, because Iraq did not yet exploit Euphrates River water fully for irrigation, and the government did not wish to complicate its relationship with Turkey in the midst of the Iran-Iraq War.

Data as of May 1988

 

Iraq - TABLE OF CONTENTS

The Economy

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GENERAL FACTS & LINKS

Country name
Iraq
conventional long form
Republic of Iraq
conventional short form
Iraq
local long form
Al Jumhuriyah al Iraqiyah
local short form
Al Iraq

Area -
total: 437,072 sq km
land: 432,162 sq km
water: 4,910 sq km

Geographic Location - Middle East, bordering the Persian Gulf, between Iran and Kuwait

Map references - Middle East

Capital - Baghdad

Border Countries - Iran 1,458 km, Jordan 181 km, Kuwait 242 km, Saudi Arabia 814 km, Syria 605 km, Turkey 331 km

Major Cities - Baghdad

Independence -
3 October 1932 (from League of Nations mandate under British administration)

National holiday - Revolution Day, 17 July (1968)

ISD CODE
Iraq 964

Languages Spoken - Arabic (official) and Kurdish

Weather Forecast - • Baghdad • Mosul • Saddam Irq-Afb / Civ • Shaibah / Basrah

Major Airports - Baghdad

Ports - Umm Qasr, Khawr az Zubayr, and Al Basrah have limited functionality

Population -24,001,816 (July 2002 est.)

Religion - Muslim 97% (Shi'a 60%-65%, Sunni 32%-37%), Christian or other 3%

Nationality - Iraqi(s)

Currency - Iraqi dinar

Currency Code - IQD

National Bird - "Kew" (Chukar)

Lakes - Hammer

Rivers - Euphrates, Tigris

Terrain - Mostly broad plains; reedy marshes along Iranian border in south with large flooded areas; mountains along borders with Iran and Turkey

Climate - Mostly desert; mild to cool winters with dry, hot, cloudless summers; northern mountainous regions along Iranian and Turkish borders experience cold winters with occasionally heavy snows that melt in early spring, sometimes causing extensive flooding in central and southern Iraq

Geography - Strategic location on Shatt al Arab waterway and at the head of the Persian Gulf

Waterways - 1,015 km
note: Shatt al Arab is usually navigable by maritime traffic for about 130 km; channel has been dredged to 3 m and is in use; Tigris and Euphrates Rivers have navigable sections for shallow-draft boats; Shatt al Basrah canal was navigable by shallow-draft craft before closing in 1991 because of the Gulf war

Natural hazards - Dust storms, sandstorms, floods

Natural Resources - petroleum, natural gas, phosphates, sulphur


More Iraq related links from
1Up Info

• Iraq Country Facts

• Middle Eastern Political Geography

• Iraq Political Geography

• Middle Eastern Physical Geography

• Iraq Towns & Cities

• Iraq History


Iraq related links from
1Up Travel

• Iraq Country Guide

• Iraq Detailed Maps

• Iraq Flag

• More Iraqi Flags

• Iraq Geography

• Iraq Travel Warnings

• Iraq Cities Weather

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Information Courtesy: The Library of Congress - Country Studies


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