Oil spill Response Awareness 2013
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  • 1. A lecture onAwareness aboutOil SPILLbyRajeeva RanjanEx-Coast GuardWebsite: www.virajcse.comVirajCSEViraj Clean Sea Enterprises (P) Ltd.
  • 2. CausesofSpillsFigure 4: Incidence of Spills < 7 Tonnes by Cause,1974-2002Figure 5: Incidence of Spills 7-700 Tonnes by Cause, 1974-2002
  • 3. SpillsDataFigure 2: Quantities of Oil SpiltFigure 1: Numbers of Spills over 700 tonnes
  • 4. TypeofOils
  • 5. FateofMarineOilSpill
  • 6. Fate of Marine Oil Spill inMarine environment1. Spreading2. Evaporation3. Dispersion4. Emulsification5. Dissolution5. Dissolution6. Oxidation7. Sedimentation8. Biodegradation
  • 7. AssessmentoftheDriftofaSlickV oil = v current + V wind X QIn which:V oil = velocity of the oilV current = velocity of seawaterV wind = velocity of wind at a height of 10 mQ = empirically established wind speed factor (usually about 3%)
  • 8. Effects of Oil Spill on Marine &Coastal Resources• Environmental Impacts1. Recovery Potential2. Habitats and Species atRisk3. Restoration• Economic Impacts1. Fishries & Mariculture• Ecological effects• Recreational Beaches &sea areas• Port & Marinas• Industrial installations• Fisheries• Marine animals• Marine Birds• Coral communities andecosystems• Wetland communities &ecosystem• Nature reserves andmarine parks
  • 9. Situation Evaluation andResponse Options1. Identification of sources & incident details2. Prevention or reduction of further spillages3. Aerial surveillance, including remote sensing4. Assessment of the threat5. Spill response options and their limitations
  • 10. Oil Spill Cleanup Techniques• Response at Sea1. Booms and skimmers2. In-situ Burning3. Dispersants/Chemicals• Protecting sensitive resources• Shoreline Clean-up1. Bioremediation• Disposal
  • 11. Oil Spill Cleanup Techniques1. Chemicals Dispersant2. Containment and Recovery3. Shoreline Cleanup4. Alternative Techniques forSpill Response
  • 12. 1. Chemical Dispersantsc. Shoreline applicationa. Vessel spraying b. Aerial spraying
  • 13. Containment and Recovery
  • 14. Shoreline Cleanupb. Oila. Strategy
  • 15. c. Sand beachesf. Organisatione. Sorbent materials & Bioremediationd. Rocky Shores
  • 16. Alternative Techniques forSpill Responseb. Optimum conditions1. In-Situ Burning a. Ignitionc. Smoke and d. Residue
  • 17. 2. Bioremediation a. Bioremediationb. Bioaugmentation 3. Landfarming
  • 18. Website: www.virajcse.comVirajCSEViraj Clean Sea Enterprises (P) Ltd.