TSUNAMI

TSUNAMI

Definition
1. Signify big wave of the bay
2. Tsunami are waves generated
  1. Avalanche
  2. Eruption
  3. Movement seismic
    1. In the bottom of the ocean
    2. The waves are expand through the sea in different direction at great speed
Sign of alert
1. Setback gradual of the water
2. Ascent of the level of the water
Causes
1. Volcano
  1. Volcano cause a exit of energy sudden that move the mass of the water
2. Landslide
  1. For example Alaska with the registered waves highest
3. EARTHQUAKE
  1. Happen many damages
    1. The most destructive tsunami in recent history went in Chile's coast.
    2. The magnitude of the earthquake for that happen the tsunami is of 9.5 degree
Generation of the TSUNAMI
1. Mechanism
  1. Movement vertical of the floor oceanic
    1. Cause a displacement of water in form of highest waves
2. Propagation of the Tsunami
  1. Factor that modify the effect of a Tsunami
    1. Velocity
    2. depth of the water
    3. Propagation
      1. Refraction
        When the waves are incline in the water less deep
      2. Diffraction
        Spread and bend of the wave when find a obstacle
IMPACT OF TSUNAMI
1. Flood
2. Erosion of the foundation
  1. Building
  2. Bridge
  3. Road
3. Damages
4. PROTECTION
  1. Strategy of evacuation
  2. Structure of protection coastal
    1. Reduce the height of waves

Resumo de Recurso

	Criado por Paula Guzman quase 8 anos atrás