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Environmental flows (E-flows) UPSC NOTE


  • Environmental flows describe the quantity, timing, and quality of water flows required to sustain freshwater and estuarine ecosystems and the human livelihoods and well being that depend on these ecosystems. 

  • In the Indian context river flows required for cultural and spiritual needs assumes significance.

  • Through implementation of environmental flows, water managers strive to achieve a flow regime, or pattern, that provides for human uses and maintains the essential processes required to support healthy river ecosystems.

  • The Union Jal Shakti Ministry launched an e-flow ecological monitoring system that allows real-time monitoring of river quality. 

  • This will aid the planning and monitoring of projects, river water quality, and other key parameters

  • The Environmental flows (E-flows) monitoring system has been developed by the National Mission for Clean Ganga, an arm of the Jal Shakti Ministry

  • Along with real-time analysis of the water quality of the Ganga, Yamuna, and their tributaries, it also allows monitoring of the Namami Gange programme activities at the central level. 

  • This includes monitoring the performance of sewage treatment plants (STPs), and ensuring that they operate at their rated capacity. 

  • River water quality is also monitored at various locations. 

  • The Namami Gange programme is a flagship programme of the Ministry that involved cleaning the Ganga, and now includes its tributaries.

  • The launch of the E-flow Monitoring System marks a significant step towards ensuring the continuous and sustainable flow of the Ganga

  • Utilising data from quarterly reports by the Central Water Commission, the system will track key parameters such as inflow, outflow, and mandated E-flow across 11 projects along the Ganga Main Stream

  • Concerns were raised by several environmentalist groups that dams of the river were impeding its flow and destroying its ecology.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Environmental flows (E-flows) UPSC NOTE
Environmental flows (E-flows) UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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