نتایج جستجو برای: today many countries have water shortage problems

تعداد نتایج: 4308633  

Journal: :آب و توسعه پایدار 0
غلام‏رضا ابراهیم ‏آبادی محمد داودآبادی شعله شالپوش

the water and wastewater considered as one of capital intensive industrials in iran because it has 436 thousand milliard rial in fixed asset, 32.8 million rial in monopolistic market and the share of 0.05 % in gdp. the statistics showed that there is approximately 22 % of facilities and equipment in industrial production process as uncompleted projects. the need for macro investment, the limite...

Journal: :Journal of Mathematical Analysis and Applications 1991

2000
K. William Easter

Many water management problems have arisen in past Asian irrigation projects. They have been characterized as a vicious cycle involving the lack of maintenance, poor irrigation service, low rates of fee collection, inadequate institutional arrangements, and lack of user participation. This article argues that we have generally agreed on a strategy to address these problems and asks whether or n...

Ali Khakshour, Gholam Hasan Khodaee Maryam Ajilian Abbasi Masumeh Saeidi Seyed Javad Sayedi,

The economic exploitation of children is an insult to humanity. All over the world children continue to work, putting at stake their education, their health, their normal development to adulthood, and even their lives. Millions of them work under hazardous conditions which present dangers to their health, safety and welfare. They toil in mines and quarries, are exposed to agrochemicals in agric...

Journal: :IOP conference series 2023

Abstract Due to the construction of dams in upstream countries and usage surface irrigation systems, Iraq has been experiencing a water shortage. population increase expansion industrial agricultural sectors, country is having difficulty keeping up with rising demand for water. Many previous studies carried out optimize resources management over two decades using Water Evaluation Planning (WEAP...

Dominance of arid and semiarid climate in a vast area of Iran along with the water consumption growth necessitates a more sophisticated planning, a more efficient operation towards an optimal allocation and conservation of water resources in the country. In recent decades many countries, including Iran, have adopted increasing block tariffs for domestic water management. This policy is based on...

E. Norouzi, S. Behzadi, Z. Mousavi,

According to the geographical location of Iran, it enjoys both arid and semi-arid weather, which has been the cause of water shortage problems. Therefore, water has been one of strategic importance in Iran. When the population dramatically increased in ancient Iran, the demand for supplying water also increased simultaneously and brought about the need for the invention of a new way for supplyi...

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