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International Rivers of Western Himalayas – Hydrological Prospects and Areas of Concern

International Rivers of Western Himalayas – Hydrological Prospects and Areas of Concern. R . D. Singh Director N.I.H., Roorkee. The Himalayan System. Greater Himalaya > 4600m. Tibetan Plateau. Lesser Himalaya 3600-4600m. Western Disturbances Nov. – March/April. 4000m.

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International Rivers of Western Himalayas – Hydrological Prospects and Areas of Concern

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  1. International Rivers of Western Himalayas – Hydrological Prospects and Areas of Concern R . D. Singh Director N.I.H., Roorkee

  2. The Himalayan System Greater Himalaya > 4600m Tibetan Plateau Lesser Himalaya 3600-4600m Western Disturbances Nov. – March/April 4000m Outer Himalaya 1500- 3500m Siwalik 900-1500m Terai <300m SW Monsoon June – Sep Glaciers – 10% Winter snow cover 35-50 % Maximum monsoon precipitation at 1500 – 3000 m asl

  3. The Himalayan System Western disturbances Decreasing strength Monsoon (June-Sep.) Decreasing strength

  4. The Indus Basin

  5. Some Facts about Indus Basin

  6. Some Facts about Indus Basin

  7. Important Projects in Indian Part of Indus Basin

  8. Indus Waters Treaty

  9. The Upper Indus River Basin

  10. The Upper Indus River Basin

  11. The Jhelum River Basin

  12. The Jhelum River Basin

  13. The Chenab River Basin

  14. The Chenab River Basin

  15. The Tawi River Basin

  16. The Tawi River Basin

  17. The Ravi River Basin

  18. The Ravi River Basin

  19. The Satluj & Beas River Basins

  20. The Satluj & Beas River Basins

  21. Key Water Resources Issues in Western Himalayas

  22. Hydrological Network & Database

  23. Impact of Climate Change Trend of Annual Flux in Chenab Basin

  24. Impact of Climate Change Trend of Summer/Winter Flux in Chenab Basin

  25. Average = 1803 MCM Impact of Climate Change Trend of Annual Flux in Tawi Basin

  26. Changing Glacial Resources Chhatru (Chenab) Batal (Chenab) Volume -7% Area - 5% Recession – 26 m/yr Volume -26% Area - 22% Recession – 54m/yr Beaskund-1 (Beas) Beaskund-2 (Beas) 1980 2006 Volume - 48% Area - 41% Recession – 2 m/yr Volume - 49% Area - 43% Recession – 7.5 m/yr

  27. Need for Characterization of Glaciers In Different Regimes Zanskar Range Glaciers Khardug glacier Unnamed vanished glacier Phutse glacier Laddakh Range Glaciers Nangtse glacier

  28. Flash Floods due to Cloudburst/GLOF Leh Cloudburst on August 05, 2010

  29. Flash Floods due to Cloudburst/GLOF GLOF generated on September 15, 2007 Site of GLOF washed out Road Pond sites Site of GLOF washed out bridge

  30. Road washed off Flood mark on the banks of lake Washed of Culvert enroute to Pangong Lake

  31. Modeling for Flood Simulation in Chenab Basin Observed & Simulated flows at Akhnoor using WINSRM 1996 1997

  32. Modeling for Flow Simulation in Chenab Basin Observed & Simulated flows at Akhnoor using SNOMOD

  33. Modeling for Flow Simulation in Satluj Basin Observed & Simulated flows at Bhakhra using SNOMOD

  34. Conservation & Management of Lakes & Springs

  35. Conclusions

  36. Conclusions

  37. T H A N K S

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