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Published byMervin Carroll Modified over 9 years ago
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Vulnerabilities and Small Islands October 24, 2002 COP 8 New Delhi, India
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The Maldives
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Geography A chain of coral atolls 860 km long, 80 -120 km wide 26 geographical atolls Over 5,000 separate reefs 1,192 islands
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Geography - islands average height above mean sea level is 1.5 m over 80% of land area less than 1m above mean sea level size: from 0.5 to 2 sq.km 3 islands greater than 3 sq.km total land area: approximately 300 sq.km
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Vulnerabilities to Climate Change 1.Land loss and beach erosion 2.Infrastructure damage and economic impacts 3.Food security 4.Damage to coral reefs 5.Water resources
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Sea level rise Most susceptible – least defensible
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Land loss and beach erosion 80% land area less than 1 m above MSL
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Beach erosion Severe beach erosion in over 50% of islands
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Infrastructure damage and economic impacts Airport is extremely vulnerable Ground level of airport does not exceed 1.7m above MSL Runway of airport partly flooded during high wave incidence of 1987
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Infrastructure damage and economic impacts Tourism – major source of revenue Marine dive sites at risk Infrastructure damage – investment risks
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Fisheries Tuna main source of protein 85kg/yr/capita consumption Main export Tuna affected by seasonal monsoon as well as ENSO events
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Food security Agriculture Heavy import dependency Food storage and distribution
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Damage to coral reefs Bleaching 80% in shallow water 30-45% at depths of 10-30m
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Water resources 25% groundwater 25% desalinated water 50% rainwater
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Thank you
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