Oil spill Response Awareness 2013
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Oil spill Response Awareness 2013
- 1. A lecture on Awareness about Oil SPILL by Rajeeva Ranjan Ex-Coast Guard Website: www.virajcse.com VirajCSEViraj Clean Sea Enterprises (P) Ltd.
- 2. CausesofSpills Figure 4: Incidence of Spills < 7 Tonnes by Cause,1974-2002 Figure 5: Incidence of Spills 7-700 Tonnes by Cause, 1974-2002
- 3. SpillsData Figure 2: Quantities of Oil Spilt Figure 1: Numbers of Spills over 700 tonnes
- 4. TypeofOils
- 6. Fate of Marine Oil Spill in Marine environment 1. Spreading 2. Evaporation 3. Dispersion 4. Emulsification 5. Dissolution 5. Dissolution 6. Oxidation 7. Sedimentation 8. Biodegradation
- 7. AssessmentoftheDriftofaSlick V oil = v current + V wind X Q In which: V oil = velocity of the oil V current = velocity of seawater V wind = velocity of wind at a height of 10 m Q = empirically established wind speed factor (usually about 3%)
- 8. Effects of Oil Spill on Marine & Coastal Resources • Environmental Impacts 1. Recovery Potential 2. Habitats and Species at Risk 3. Restoration • Economic Impacts 1. Fishries & Mariculture • Ecological effects • Recreational Beaches & sea areas • Port & Marinas • Industrial installations • Fisheries • Marine animals • Marine Birds • Coral communities and ecosystems • Wetland communities & ecosystem • Nature reserves and marine parks
- 11. Situation Evaluation and Response Options 1. Identification of sources & incident details 2. Prevention or reduction of further spillages 3. Aerial surveillance, including remote sensing 4. Assessment of the threat 5. Spill response options and their limitations
- 12. Oil Spill Cleanup Techniques • Response at Sea 1. Booms and skimmers 2. In-situ Burning 3. Dispersants/Chemicals • Protecting sensitive resources • Shoreline Clean-up 1. Bioremediation • Disposal
- 13. Oil Spill Cleanup Techniques 1. Chemicals Dispersant 2. Containment and Recovery 3. Shoreline Cleanup 4. Alternative Techniques for Spill Response
- 14. 1. Chemical Dispersants c. Shoreline application a. Vessel spraying b. Aerial spraying
- 17. Shoreline Cleanup b. Oil a. Strategy
- 18. c. Sand beaches f. Organisatione. Sorbent materials & Bioremediation d. Rocky Shores
- 19. Alternative Techniques for Spill Response b. Optimum conditions 1. In-Situ Burning a. Ignition c. Smoke and d. Residue
- 20. 2. Bioremediation a. Bioremediation b. Bioaugmentation 3. Landfarming
- 21. Website: www.virajcse.com VirajCSEViraj Clean Sea Enterprises (P) Ltd.