Mapping Resource Profiles in the Ganges Coastal Zone

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Mapping Resource Profiles in the Ganges Coastal Zone

  1. 1. Mapping Resource Profiles in the Ganges Coastal ZoneAndy Nelson: International Rice Research InstituteManirul Haque: Institute of Water ModellingAhsan Habib: Local Government Engineering DepartmentMoqbul Hossain: Soil Resource Development Institute IRRI IWM LGED SRDI
  2. 2. G1 IRRI – IWM – LGED - SRDI Coastal polders
  3. 3. G1 IRRI – IWM – LGED - SRDI Outputs
  4. 4. G1 IRRI – IWM – LGED - SRDI Basin ChallengeFocus on brackish-water coastal zones, where agriculturallands face salinity in the dry season > 5 ppt.The challenge relates to innovations in water governance,improved availability of dry-season water, improvedpractices for managing salt-affected lands, andintensification and diversification of farming systems.How can spatial analysis play a role in this basin challenge?
  5. 5. G1 IRRI – IWM – LGED - SRDI Spatial analysis and data-Geodatabase of the coastal zone-Characterisation of test sites/polders-Extrapolation domains of technologies and policies-Land use plans under future hydrological scenarios
  6. 6. G1 IRRI – IWM – LGED - SRDI Trial sitesTrial sites in the coastal zone of Bangladesh and West Bengal Polder 30 trials and North 24 Parganas study watershed BRRI Barisal Polder 3 trials South 24 Parganas Polder 43/2/F trials West Bengal Bangladesh
  7. 7. G1 IRRI – IWM – LGED - SRDI Example site location 100mPolder 3Sehara, Satkhira88.99E, 22.52N
  8. 8. G1 IRRI – IWM – LGED - SRDI Leveraging detailed data
  9. 9. G1 IRRI – IWM – LGED - SRDI Leveraging detailed data
  10. 10. G1 IRRI – IWM – LGED - SRDI Water salinity monitoring
  11. 11. Salinity (ppt) Salinity (ppt) 12.0 14.0 16.0 0.0 6.0 30-Jun 10.0 12.0 8.0 14.0 16.0 10.0 18.0 20.0 22.0 24.0 0.0 2.0 2.0 4.0 4.0 8.0 6.0 2-Jul G1 4-Jun 4-Jul 6-Jun 6-Jul 8-Jun 10-Jun 8-Jul 12-Jun 10-Jul 14-Jun 12-Jul 16-Jun 14-Jul 18-Jun 20-Jun 16-Jul 22-Jun 18-Jul 24-Jun 20-Jul 26-Jun Salinity (ppt) Salinity (ppt) Salinity (ppt) 22-Jul 28-Jun 10.0 12.0 14.0 16.0 0.0 2.0 IRRI – IWM – LGED - SRDI 30-Jun 24-Jul 2-Jul 0.0 2.0 4.0 8.06.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 30-Jun 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 0.0 4.0 2.0 4.0 6.0 6.0 8.0 26-Jul 4-Jul PO R-3 2-Jul 28-Jul 6-Jul 8-Jul 30-Jul 10-Jul 1-Aug 12-Jul 3-Aug 4-Jul 6-Jul 6-Jun 4-Jun 8-Jun 6-Jun 10-Jun 8-Jun 10-Jun LDE 14-Jul 8-Jul 12-Jun12-Jun 5-Aug 16-Jul 10-Jul 14-Jun14-Jun Date 18-Jul 16-Jun16-JunDate 7-Aug 12-Jul 20-Jul 9-Aug 18-Jun18-Jun 22-Jul 14-Jul 20-Jun20-Jun 11-Aug 24-Jul 16-Jul 22-Jun 13-Aug 26-Jul 22-Jun24-Jun 28-Jul 18-Jul 24-Jun26-Jun 15-Aug 26-Jun28-Jun 30-Jul 17-Aug 20-Jul 1-Aug 22-Jul 28-Jun30-Jun 19-Aug 3-Aug 30-Jun 2-Jul 5-Aug 21-Aug 24-Jul 2-Jul 4-Jul 7-Aug 23-Aug 26-Jul 6-Jul 4-Jul 8-Jul 9-Aug Polder 3 (Station-5, Kanjia) 25-Aug 28-Jul 6-Jul10-Jul 11-Aug 27-Aug 13-Aug 30-Jul 8-Jul12-Jul 15-Aug 29-Aug 1-Aug 10-Jul14-Jul Polder 3 (Station-3, Habra Khal) 17-Aug 31-Aug 3-Aug 12-Jul16-Jul 19-Aug 14-Jul18-Jul 2-Sep 21-Aug 5-Aug 20-Jul Date Date 4-Sep 16-Jul22-Jul 23-Aug 7-Aug 18-Jul24-Jul 25-Aug 6-Sep Date 27-Aug 9-Aug 20-Jul26-Jul 8-Sep 29-Aug 11-Aug 22-Jul28-Jul 10-Sep 31-Aug 24-Jul30-Jul 12-Sep 13-Aug 2-Sep 26-Jul1-Aug 3-Aug 4-Sep 14-Sep 15-Aug 28-Jul5-Aug 6-Sep 16-Sep 17-Aug 30-Jul7-Aug 8-Sep 19-Aug 18-Sep 10-Sep 1-Aug9-Aug 12-Sep 21-Aug 11-Aug 3-Aug 14-Sep 13-Aug 5-Aug 23-Aug Polder 3 (Station-5, Kanjia) 15-Aug 25-Aug 7-Aug 17-Aug 9-Aug 19-Aug 27-Aug Polder 3 (Station-2, Ichamoti river) 21-Aug 11-Aug Polder 3 (Station-1, Ichamoti River) 29-Aug 23-Aug 13-Aug 31-Aug 25-Aug 15-Aug 27-Aug 17-Aug 2-Sep 29-Aug 4-Sep 19-Aug 31-Aug 21-Aug2-Sep 6-Sep 23-Aug4-Sep 8-Sep 25-Aug6-Sep 10-Sep 27-Aug8-Sep 10-Sep 29-Aug 12-Sep 12-Sep 14-Sep 31-Aug 14-Sep 16-Sep 2-Sep 16-Sep 18-Sep 4-Sep 18-Sep 20-Sep
  12. 12. G1 IRRI – IWM – LGED - SRDI Cropping patterns 0.6 Polder 3 – highly salineVegetation and Water index 0.5 0.4 0.3 NDVI 0.2 NDWI7 0.1 0 1 Polder 43/2f – moderate to low salinityVegetation and Water index 0.8 0.6 0.4 0.2 NDVI NDWI7 0 -0.2 -0.4
  13. 13. G1 IRRI – IWM – LGED - SRDI Polder land use patterns
  14. 14. G1 IRRI – IWM – LGED - SRDI Complex seasonal patterns Boro rice (2009-10) Aus rice (2010-11) Aman rice (2010-11) Area: 5,011,634 ha Area: 1,103,738 ha Area: 5,816,240 ha 6% 2% 31% Rice 39% Rice/Other Rice/Rice Rice/Rice/Other Rice/Rice/Rice 22%
  15. 15. G1 IRRI – IWM – LGED - SRDI Thank you

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