Strategy I.5

Research and studies on all aspects related to impact of climate change on water resources including quality aspects of water resources with active collaboration of all research organizations working in the area of climate change

Research and studies specifically for projection of impact of climate change on surface and ground water including its water quality in areas of 

  (i) Basin efficiency, 

  (ii) Possibilities of increasing dam heights, 

  (iii) Identification of minor tanks where FRL can be raised without raising dam heights by installing gates and evaluation of the same,

  (iv) Identification of tanks and water bodies which can be effectively de-silted, where silt has commercial value and evaluation of the same, 

  (v) Improving intra-national equity in usable water for drought management like conducting economics considering land, water and livelihood to 

       plan how much water is necessary to yield reasonable income, 

  (vi) Water harvesting,provided this is socially desirable and provided that corresponding water saving is possible elsewhere in the region, 

  (vii) Impact on Intensity-Duration-Frequency relationships in urban areas, 

  (viii) Impact on Magnitude-Duration-Frequency of drought (agricultural,meteorological and hydrological), 

  (ix) Study of Water-energy-Climate Change relationships, 

  (x)  Planning tidal embankments to protect against tides and increased flood frequency and increased sea level,

  (xi) Effect of sea level rise on ground water salinity and prospective measures like groundwater recharge, 

  (xii)Possible tidal channels for fresh water storage,

  (xiii) Preparation of sediment budgets and accounts for each basin, 

  (xiv) Review the interpretation of regime maintenance on Ganga, after climate change, 

  (xv) Isotope applications in GW dating and contaminant transport, 

  (xvi) GW basin models for conjunctive use of SW & GW and application of RS/GIS in GW management, 

  (xvii) Assessment and strategies for development potential of deeper aquifers, 

  (xviii) Coastal aquifer management including use of hydraulic barriers for control of sea water ingress, 

  (xix)  Assessment of feasibility and viability of rainwater harvesting in existing domestic and commercial buildings, 

  (xx)   Supporting researchable issues specifically of 

  (xxi)  Atmospheric Science Groups towards downscaling of GCM or RCM to basin/project level and also understanding the effect of climate change on monsoons, 

  (xxii) Supporting water and climate related researches towards studying the sensitivity of different hydrologic types of water projects to different climate change

          scenarios and improvements required in hydrometric networks to incorporate climate change, 

  (xxiii) Building a Universal Soil Loss model depicting erosion and sediment transport etc. Proving the model based on sediment flow and reservoir sedimentation

           data, Actuating the above model for changed rainfall regime and changed management practices, 

  (xxiv) Developing, through R&D effort, a combined unsteady flow hydraulics-cum-sediment transport model capable of depicting river erosion in each flood event.

           Using the model to test river management works, 

  (xxv) Water quality modeling for each major river and aquifer, 

  (xxvi) Hydro chemical and solute transport modeling in areas vulnerable for seawater ingress and water quality, 

  (xxvii)Developing urban storm water drainage models with due consideration to the topographical features and the urban layouts, and 

  (xxviii)Developing criteria and guidelines to ensure urban storm water drainage improvements.

 Under Strategy I.5 as well as under Left Menu Item “Study & Research”

 1. Studies under Strategies I.5, i.e. ‘Research and studies on all aspects related to impact of climate change on water resources including quality aspects of water resources with active collaboration      of all research organizations working in the area of climate change’

            India is faced with the challenge of sustaining its rapid economic growth while dealing with the global threat of climate change. Relatively very large temporal and spatial variation in rainfall and consequently in the river flow and ground water aquifers is an important feature of the water resources in India. The impact of climate change on water resources has not been accurately quantified; however,some  studies indicate that the likely impact of climate change on water resources could contribute to intensification of the extreme events.

 

            Realizing that the various processes which influence the hydrologic cycle are dynamic in nature, precise quantification of the impact may not be a simple task and it would be necessary to undertake detailed simulation studies &  researches to generate more and more data for refinement of simulations. With a view to assess the likely impact of climate change on Indian river basins / sub-basins, etc., Indian National Committee on Climate Change (INCCC) has been constituted. INCCC is undertaking studies in all river basins of India in collaboration with research institutes and IITs. In addition, studies on statistical and dynamic downscaling are being undertaken to generate appropriate data for use in simulation and assessment studies.

 Research and studies specifically for projection of impact of climate change on surface and ground water including its water quality in areas of

  1. Basin efficiency
  2. Possibilities of increasing dam heights
  3. Identification of minor tanks where FRL can be raised without raising dam heights by installing gates and evaluation of the same
  4. Identification of tanks and water bodies which can be effectively de-silted, where silt has commercial value and evaluation of the same
  5. Improving intra-national equity in usable water for drought management like conducting economics considering land, water and livelihood to plan how much water is necessary to yield reasonable income
  6. Impact on Intensity-Duration-Frequency relationships in urban areas
  7. Impact on Magnitude- Duration-Frequency of drought (agricultural, meteorological and hydrological)
  8. Study of Water-energy-Climate Change relationships
  9. Planning tidal embankments to protect against tides and increased flood frequency and increased sea level
  10. Effect of sea level rise on ground water salinity and prospective measures like groundwater recharge
  11. Possible tidal channels for fresh water storage
  12. Preparation of sediment budgets and accounts for each basin
  13. Review the interpretation of regime maintenance on Ganga, after climate change
  14. Isotope applications in GW dating and contaminant transport
  15. GW basin models for conjunctive use of SW & GW and application of RS/GIS in GW management
  16. Assessment and strategies for development potential of deeper aquifers
  17. Coastal aquifer management including use of hydraulic barriers for control of sea water ingress
  18. Assessment of feasibility and viability of rainwater harvesting in existing domestic and  commercial buildings
  19. Supporting researchable issues specifically of Atmospheric Science Groups towards downscaling of GCM or RCM to basin/project level and also understanding the effect of climate change on monsoons
  20. Supporting water and climate related researches towards studying the sensitivity of different hydrologic types of water projects to different climate change scenarios and improvements required in hydrometric networks to incorporate climate change
  21. Building a Universal Soil Loss model depicting erosion and sediment transport etc. Proving the model based on sediment flow and reservoir sedimentation data, Actuating the above model for changed rainfall regime and changed management practices
  22. Developing, through R&D effort, a combined unsteady flow hydraulics-cum-sediment transport model capable of depicting river erosion in each flood event. Using the model to test river management works
  23. Water quality modelling for each major river and aquifer
  24. Hydro chemical and solute transport modelling in areas vulnerable for seawater ingress and water quality
  25. Developing urban storm water drainage models with due consideration to the topographical features and the urban layouts
  26. Developing criteria and guidelines to ensure urban storm water drainage improvements.
  27. Project proposals for conducting studies in the following eight river basins have been received.

 

 

  These proposals are under active consideration in INCCC and in advance stage of implementation / instituting the studies.

 

S. No.

Project Title

Collaborating Institutes

1.

Impact Assessment of climate change on Hydro-meteorological processes and Water Resources of Mahanadi River Basin

IISc Bangalore, IIT Bhubaneswar

2.

Climate Change Impacts Studies for Rajasthan (Areas of Inland Drainage and Mahi Basin)

MNIT Jaipur, IIT Delhi, Central Univ Ajmer

3.

Luni River Basin Climate and Hydrology Modelling

IIT Jodhpur

4.

Impact of Climate Change on

Water Resources of Tapi Basin

SVNIT Surat, MNIT Jaipur

MANIT Bhopal

5.

Impact of Climate Change on Water Resources (Satluj Basin)

NIH Roorkee

6.

Effect of Climate and Land Use/Cover Change on Spatial and Temporal Water Availability in Subarnrekha River Basin

IIT Kharagpur

7.

Impacts of Climate Variability and Climate Change on Water Resources in the Sabarmati River basin

 IIT Gandhinagar

SVNIT Surat

8.

Impact of Climate Change on Water Resources in river basin from Tadri to Kanyakumari

Prof TI Eldoh, IIT Bombay

The following two project proposals have been received for conducting downscaling studies – statistical downscaling and dynamic downscaling of global climate change models. These proposals are under active consideration in INCCC and in advance stage of implementation / instituting the studies.

 

S. No.

Project Title

Collaborating Institutes

1.

Statistical Downscaling for hydro-climatic projections with CMIP5 simulations to assess Impacts of Climate Change

IIT Bombay, IIT Gandhinagar, IIT Guwahati, IIT Kanpur

2.

Dynamic Downscaling to study Climate Change impacts on Water resources in India

Prof. K. Achuta Rao, IIT Delhi