Inter-Agency Technical Committee of the Forum of Ministers of the Environment of Latin America and the Caribbean

Annex I Model to identify threats from El Niño phenomenon

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Annex I

Model to identify threats from El Niño phenomenon

THREATS FROM EL NIÑO

DISTURBANCES
IN OCEAN CHARACTERISTICS

DISTURBANCES
IN THE HYDROLOGICAL CYCLE

DISTURBANCES IN OTHER WEATHER VARIABLES

Excessive rainfall

Sea level variation

Temperature and salinity variation

Wind variation

Temperature variation

Water shortage for human consumption

Shortage of hydroelectric production

Water shortage in the farming sector

Shortage of water for river transportation

Excessive mortality in health sector

Landslides

High water
in rivers

Extreme tides

Damage to coastal structure

Changes in marine wildlife

Possible spread of fires

Greater electric power demand

Greater water demand

Source: ECLAC, 1998.

Rainfall shortage

Annex II
Association of direct impact of hurricane Georges
on the natural property of the Dominican Republic

Hurricane Georges

Rain

Winds

High tides

IDP

IDP

IDP

Flora

Fauna

Concentrated erosion, grooves, gullies, landslides, river floods

Floods

Loss of habitat and biodiversity

Sedimentation

Breakage and fall of vegetation

Death of animals, migration

Coastal ecosystems

Coastal geodynamics

Loss of coastal vegetation, marine grasses and effects on coral reefs

Erosion of the coast, change of granulometry, change of accidents, bathymetric changes

Loss of environmental goods and services