Water Management – Institutional Reforms, Conservation Efforts, etc.

Scientists find ‘ancient river’ in UP

Note4Students

From UPSC perspective, the following things are important :

Prelims level : About the river

Mains level : Paleochannels and their significance in groundwater recharge

  • The Union Water Ministry has excavated an old, dried-up river in Allahabad that linked the Ganga and Yamuna rivers.

About the river

  • The “ancient buried river” is around 4 km wide, 45 km long and consisted of a 15-metre-thick layer buried under soil.
  • The newly discovered river was a “buried paleochannel that joins the Yamuna river at Durgapur village, about 26 km south of the current Ganga-Yamuna confluence at Allahabad.
  • The paleochannels reveal the course of rivers that have ceased to exist.

Significance of this river

  • Knowledge on subsurface connectivity between Ganga and Yamuna rivers will play a very crucial role in planning of Ganga cleaning and protecting safe groundwater resources.
  • The aim is to develop it as a potential groundwater recharge source.
  • The evidence from paleochannels also suggests that the mythological Saraswati river did indeed exist.
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