Atatürk Dam

The Atatürk Dam is a very big wall of rock.

It sits on the Euphrates River in Turkey. This dam does two important jobs. It makes power for homes and towns. It also helps farmers water their crops.

The dam makes a huge lake behind it. People call this lake a "sea." The water in the lake helps many plants grow. It even helps people catch fish. This dam is one of the largest in the world.

The Atatürk Dam is a massive rock-fill dam.

A rock-fill dam is a large wall made of rocks. It sits on the Euphrates River in Turkey. This dam was built to make power and water crops. Construction began in 1983 and finished in 1990. It is the third largest dam in the world.

The dam has a big power plant. This plant uses eight groups of turbines. Turbines are machines that turn moving water into power. The plant can make 8,900 GWh of electricity every year. This is a huge amount of power.

The dam also helps farmers. It uses two long tunnels to move water. These are the largest tunnels in the world for irrigation. Irrigation is a way to water crops like cotton. Because of this, the area grows much more cotton.

A huge lake sits behind the dam. It is called the Atatürk Reservoir. The water is so big that local people call it a "sea." The lake is the third largest in Turkey. It is a place for fishing and fun. Many towns and villages sit near the water.

The Atatürk Dam is a truly huge structure in Turkey.

It sits on the Euphrates River near the border of Adıyaman and Şanlıurfa provinces. This dam is a zoned rock-fill dam with a central core. That means it is a massive wall built primarily from rocks. It is the third largest dam in the entire world. The dam was built to create electricity and to help farmers. It was named after Mustafa Kemal Atatürk, who founded the Turkish Republic.

This dam works in a few important ways. First, it creates a giant lake called the Atatürk Reservoir. This reservoir holds a huge amount of water for many uses. Second, the dam uses a hydroelectric power plant to make energy. The plant has eight groups of turbines that turn water into power. These turbines can produce 8,900 GWh of electricity every single year. Third, the dam helps water large areas of farmland. It uses two very long tunnels to move water to crops. These are the largest irrigation tunnels in the world.

People worked on this project for a long time. The idea for the project first started in 1970. At first, the plan was for a smaller dam called Karababa. Later, the plan changed to build the much larger Atatürk Dam. Construction on the main dam began in 1983 and ended in 1990. It was built in a record time of about 50 months. The power plant began working in 1992 after the lake filled up. The whole project is part of a larger plan called GAP.

There are many impressive numbers tied to this site. The power plant has a capacity of 2,400 MW. The reservoir is the third largest in Turkey. It covers a very large area and holds 48.7 km3 of water. The irrigation tunnels are each very long and wide. These tunnels carry one-third of the total flow of the Euphrates. Because of this water, cotton production in the region grew a lot. In 2001, the region grew 400,000 metric tons of cotton. This helped the area become a leader in cotton for Turkey.

You might see this dam in your daily life. In the past, the dam was even on a banknote. It was shown on the Turkish one-million-lira bill from 1995 to 2005. The water in the reservoir is so big that local people call it a "sea." It is a place where people go for fishing and fun. The dam also helps stop the river from causing problems. Before the dam, the river had floods in winter and droughts in summer. Now, the dam helps keep the water levels steady for everyone.

The Atatürk Dam is a massive engineering achievement located in Turkey.

It is a zoned rock-fill dam situated on the Euphrates River. This river flows along the border of Adıyaman and Şanlıurfa provinces. The dam is the third largest in the world. It was built to generate hydroelectric power and to irrigate large plains. Originally, the project was called the Karababa Dam. It was later renamed to honor Mustafa Kemal Atatürk, the founder of the Turkish Republic.

To function, the dam relies on a complex mechanical system. The dam structure holds back water to create the Atatürk Reservoir. This reservoir is the third largest in Turkey. Water flows from the reservoir into a hydroelectric power plant (HEPP). The HEPP uses eight Francis turbine and generator groups. Each of these groups has a capacity of 300 MW. Massive steel pressure pipes, called penstocks, carry the water. These penstocks weigh a total of 26,600 tons. As water moves through the turbines, it generates electricity. The plant can produce 8,900 GWh of electricity every year.

The dam serves several distinct purposes for the region. The first is electricity production through the HEPP. This plant is the largest of 19 power plants in the GAP project. The second purpose is large-scale irrigation for farming. Water is diverted through the Şanlıurfa Tunnels system. These are two parallel tunnels that are the largest in the world for irrigation. Each tunnel is 12 km long and 12 m in diameter. The third purpose is water regulation. The dam helps control the irregular flow of the Euphrates River. This prevents summer droughts and winter floods.

The history of the project shows how plans can grow. The initial development plan for the region was presented in 1970. At that time, the goal was to build the smaller Karababa Dam. However, the ambitions for regional development changed throughout the 1970s. Engineers decided to adopt the larger Atatürk Dam design instead. This change increased both the storage and the power capacities. Construction of the main dam began in 1983 and finished in 1990. It was completed in a record time of about 50 months. The power plant became fully operational in December 1993.

The scale of the Atatürk Dam is revealed through many significant numbers. The reservoir covers an area of 8,170 km2. It holds a total water volume of 48.7 km3. The dam's power capacity is 2,400 MW. This capacity provides about one-third of the total energy for the GAP project. Irrigation through the tunnels carries about 400 m3/s of water. This amount represents one-third of the total flow of the Euphrates. The project has had a massive impact on local agriculture. In the Harran plains, cotton production rose from 164,000 to 400,000 metric tons by 2001.

There are several surprising facts about the dam and its environment. Because the reservoir is so large, local people call it a "sea." The water level in the reservoir varies between 526 and 537 meters above sea level. The dam is also a subject of constant scientific study. Sensors monitor the rock-fill embankment for any deformations. It is estimated that the central portion of the dam crest has settled by 1.5 m since construction. Scientists also study how the water level affects local earthquakes. They have found that the water level and the rate of seismicity are anti-correlated.

The Atatürk Dam is a central part of a much larger system. It is the centerpiece of the Southeastern Anatolia Project, known as GAP. This project includes 22 dams on the Euphrates and Tigris rivers. The dam also has major geostrategic importance for the Middle East. About 90% of the Euphrates' annual flow begins in Turkey. The dam regulates how much water moves downstream to Syria and Iraq. This makes the dam a key part of international water management. The dam's importance was even recognized on Turkish currency. It appeared on the one-million-lira banknote from 1995 to 2005.