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Innovative Solutions to Sustainable Water

Innovative Solutions to Sustainable Water. A. K. Gosain Professor & Head, Civil Engineering Department Indian Institute of Technology Delhi. Water resource development. Shall always remain one of the preferred options to cater to vagaries on account of Inherent Spatial variability and

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Innovative Solutions to Sustainable Water

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  1. Innovative Solutions to Sustainable Water A. K. Gosain Professor & Head, Civil Engineering Department Indian Institute of Technology Delhi

  2. Water resource development • Shall always remain one of the preferred options to cater to vagaries on account of • Inherent Spatial variability and • Temporal variability of this resource • And now the climate change impacts

  3. Possible development options • Surface water Interventions – different scales • Big projects – Reservoir or runoff the river scheme • Medium & Minor schemes • Watershed level – check dams • Ground water exploitation • Shallow wells • Deep tubewells

  4. Implications of interventions • Every intervention big or small has associated impact • Integrated Watershed philosophy was the scientific option suggested to judiciously tackle possible implications • Watershed being the natural system where water balance can be resolved and thereby impacts of the manmade interferences quantified

  5. India’s National Communications to UNFCCC • Coordinated by MoEF • The first communication was made in 2004 • It was a multidisciplinary effort • Work on water Resources was entrusted to IIT Delhi • Second National Communication has just started and IIT Delhi is again leading the Water Resources work

  6. SWAT Model Components Features • Physically based • Distributed model • Continuous time model (long term yield model) • Uses readily available data • Suitable for long term impact studies

  7. River Basins Modeled

  8. Percent change in mean annual water balance for Control and GHG climate scenarios

  9. Himalayan River Systems: Ganga Basin

  10. The major concern • Evaluate the implications of climate change by incorporating the baseline • Adaptation shall require enhanced level of interventions through line departments • A common framework is required to provide an integrated information base • Procedures for scenario generation and evaluation

  11. Web-Based Interface for Basinwise Analysis

  12. Conclusions • Integrated water resource development and management requires a common framework • Creation of sharable information is essential for sustainable use of water resources and associated development and adaptation for climate change impacts • http://gisserver.civil.iitd.ac.in/natcom/

  13. Thank you

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