Data requirements for Ganga River Basin Management Plan
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Transcript of Data requirements for Ganga River Basin Management Plan
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Data Requirements
• Basin Characteristics• Hydro-meteorological Data• Projects Data• Data on Pollution• Demographic Data
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Basin Characteristics
• Basin delineation• Drainage system – SRTM• Landuse/Landcover• Soil properties of the catchments – Global and
National data sources • River cross-section data
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Digital Elevation Model
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Hydro-meteorological Data• Meteorological data - IMD• Flow data at gauging sites - CWC and State
Water Resources Departments• Sediment data; volume and characterization –
CWC/State Govt. agencies• Ground water fluctuation data – CGWB/State
GW Boards• Flow cross sections and rating curves at
various stream gauging sites - CWC and State Water Resources Departments
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Percentage share of major water balance in Ganga Basin components w.r.t. precipitation
Actual ET43%
Surface Runoff28%
Lateral Flow3%
Shallow Groundwater recharge
24%
Deep Aq Recharge1%
Scenario 1: Baseline - Virgin Condition
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Projects Data• Data on water utilizations for– Agricultural– Domestic– Industrial and other uses
• Data on water resources projects including reservoirs and diversion facilities– Existing– Under implementation– Proposed
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Storage Projects in Ganga Basin
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Data on Pollution
• Point sources– Domestic sewage– Industrial
• Non-point sources– Data on use of fertilizers– Pesticides
• Data on water quality observations– Surface – Ground water – CPCB, CWC, CGWB, State Pollution Control Boards, MOEF
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D RA FT INRM Consultants , New Delhiwww.inrm.biz
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D RA FT INRM Consultants , New Delhiwww.inrm.biz
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Demographic & Socio-economic Data
• Livelihoods• Land holdings• Population• Ecological hotspots• Water pricing
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Geospatial Database Management
• For integration of information across domains– Processing raw data– Managing generated information– Storage– Retrieval
• Analysis to generate– Scenarios for different developmental pathways– Sharable information with all the stakeholders