Environment Risk Analysis - Indian Coast Guard
Environment Risk Analysis - Indian Coast Guard Environment Risk Analysis - Indian Coast Guard
• The model calculates the movement of hypothetical spills by successively integrating time sequences of two spatially gridded input fields: the surface ocean currents and the sea-level winds, both of which were generated by other computer models using many observations of relevant physical parameters. In this fashion, the OSRA Model generates time sequences of hypothetical oil-spill locations–essentially, oil-spill trajectories. • At each successive time step, the OSRA Model compares the location of the hypothetical spills against the geographic boundaries of shoreline and designated offshore environmental resources. 10 th NOS-DCP Meeting 30 Prof. Manju Mohan CAS, IIT Delhi
• The model counts the occurrences of oil-spill contact to these areas during the time periods that the habitat is known to be used by the resource. • Finally, the count of occurrence of oil spill contact is used to compute frequencies and consequently probabilities of oil-spill contact for designated oil-spill travel times (e.g., 3, 10, or 30 days). 10 th NOS-DCP Meeting 31 Prof. Manju Mohan CAS, IIT Delhi
- Page 1 and 2: THE TENTH NATIONAL OIL SPILL DISAST
- Page 3 and 4: MAJOR OIL SPILL INCIDENTS Year Plac
- Page 5 and 6: Stages of Risk Analysis Hazard Iden
- Page 7 and 8: 2. Frequency Analysis i.e. Assessme
- Page 9 and 10: 4. Risk Calculation: Broadly risk c
- Page 11 and 12: CASE STUDIES 10 th NOS-DCP Meeting
- Page 13 and 14: Background of the Analysis • Cret
- Page 15 and 16: Map of Crete 10 th NOS-DCP Meeting
- Page 17 and 18: • As per priorities of significan
- Page 19 and 20: • The combined Risk Units for eac
- Page 21 and 22: Results from Crete Oil Spill Risk A
- Page 23 and 24: Risk Combination for Tourist zones,
- Page 25 and 26: METHODOLOGY OVERVIEW • Hazard ide
- Page 27 and 28: Location of Gulf of Mexico Counties
- Page 29: • At about 11 km intervals in the
- Page 33 and 34: Results from GoM Oil Spill Risk Ana
- Page 35 and 36: 10 th NOS-DCP Meeting 35 Prof. Manj
- Page 37 and 38: • The remotely sensed data as spa
- Page 39 and 40: • The GIS based system can be use
- Page 41 and 42: CONCLUSIONS • A schematic risk as
• The model counts the occurrences of oil-spill contact to<br />
these areas during the time periods that the habitat is<br />
known to be used by the resource.<br />
• Finally, the count of occurrence of oil spill contact is<br />
used to compute frequencies and consequently<br />
probabilities of oil-spill contact for designated oil-spill<br />
travel times (e.g., 3, 10, or 30 days).<br />
10 th NOS-DCP Meeting<br />
31<br />
Prof. Manju Mohan<br />
CAS, IIT Delhi
Change language