AZERBAIJAN NATIONAL                 ACADEMY OF SCIENCES
DIVISION OF BIOLOGICAL AND MEDICAL SCIENCES
The Soil scientist: "It's time to restore the Kahriz canals"
Sep 25, 2020 | 11:00 / Interviews, speeches
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In the 21st century, global climate change and rising temperatures have shown that people need to use water resources, including groundwater, properly and efficiently. Many scientists and government agencies around the world are already focusing on sewer systems. This shows that the canals, which are an ancient hydraulic structure, have always served the people and will be one of the most promising reclamation systems in the future.

Director of the Institute of Soil Science and Agrochemistry, corresponding member of ANAS Alovsat Guliyev told AZERTAC. According to him, the canals, which are the most harmless system of nature, do not have any negative impact on ecosystems. Unfortunately, for more than half a century, the canals, which played the role of natural drainage, have disappeared. This has led to the withdrawal of thousands of hectares of fertile land. As a result, the ecological balance was disturbed, the existing flora and fauna were destroyed, and fauna and flora in accordance with the swamps and salinity were formed on the site.

Guliyev said that the amount of water used through canals in Azerbaijan today is 25-30% of the water used in the 1950s. In other words, an average of 350-400 million cubic meters of clean and high-quality sewage water is not used every year. It can be concluded that the kahriz is an economically efficient hydraulic structure and differs from the subartesian pump, which is a product of modern technology. Therefore, with increasing attention to this area, the protection of existing canals and the digging of new canals remain relevant.

“Kahriz systems are monuments that have come down to us from our ancient history. Rehabilitation, protection and digging of new kahriz canals is the main way to solve the problem of water shortage, and it is time to restore them" the scientist said.

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