Transcript of Natural disasters
- 1. A natural disaster is event resulting from natural geologic
processes of the Earth.
- 2. Disaster management (or emergency management) is the
creation of plans through which communities reduce vulnerability to
hazards and cope with disasters. Disaster management does not avert
or eliminate the threats, instead it focuses on creating plans to
decrease the impact of disasters. Failure to create a plan could
lead to damage to assets, human mortality, and lost revenue.
- 3. Prevention Mitigation Preparedness Local Emergency Planning
Committees Preparedness measures Response Recovery
- 4. The National Disaster Management Authority is the primary
government agency responsible for planning and capacity-building
for disaster relief. Its emphasis is primarily on strategic risk
management and mitigation, as well as developing policies and
planning. A protective wall built on the shore of the coastal town
of Kalpakkam, in aftermath of the 2004 Indian Ocean
Earthquake.
- 5. India is home to an extraordinary variety of climatic
regions, ranging from tropical in the south to temperate and alpine
in the Himalayan north, where elevated regions receive sustained
winter snowfall. The nation's climate is strongly influenced by the
Himalayas and the Thar Desert.
- 6. Natural disasters, mostly of them related to the climate
change, cause massive losses of life and property. For Example -
Droughts Flash floods Cyclones Avalanches Landslides Snowstorms
Earthquakes Tsunami Heatwave
- 7. An earthquake is the result of a sudden release of energy in
the Earth's crust that creates seismic waves. At the Earth's
surface, earthquakes manifest themselves by vibration, shaking and
sometimes displacement of the ground. The vibrations may vary in
magnitude. Rescue work after Earthquake in Nepal
- 8. While Drought a Man walking in his field. Drought is unusual
dryness of soil, resulting in crop failure and shortage of water
for other uses, caused by significantly lower rainfall than average
over a prolonged period. Hot dry winds, shortage of water and low
moisture in land causes Drought.
- 9. A flood is an overflow of water that "submerges" land from
the increase volume of water within a body of water, such as a
river or lake, which overflows causing the result that some of the
water escapes its usual boundaries. Rescue work while flood in
Uttarakhand
- 10. Cyclone, hurricane, and typhoon are different names for the
same phenomenon, which is a cyclonic storm system that forms over
the oceans. The deadliest hurricane ever was the 1970 Bhola
cyclone.Cyclone Jal, India
- 11. An avalanche (also called a snowslide or rockslide) is a
rapid flow of snow or rock down a sloping surface. Avalanches are
typically triggered in a starting zone from a mechanical failure in
the snowpack (slab avalanche) when the forces on the snow exceed
its strength but sometimes only with gradually widening (loose snow
avalanche).A powder snow avalanche in the Himalayas near Mount
Everest.
- 12. A landslide, also known as a landslip, is a geological
phenomenon that includes a wide range of ground movements
Deep-seated landslide on a mountain in Sehara, Kih, Japan
- 13. Snowstorms are storms where large amounts of snow fall.
Snow is less dense than liquid water Snowstorm, Central park, New
York
- 14. A tornado is a violent, dangerous, rotating column of air
that is in contact with both the surface of the earth and a
cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.
It is also referred to as a twister or a cyclone, although the word
cyclone is used in meteorology in a wider sense, to refer to any
closed low pressure circulation.A rope tornado in its dissipating
stage
- 15. A heat wave is a prolonged period of excessively hot
weather, which may be accompanied by high humidity, especially in
oceanic climate countries. A heat wave is measured relative to the
usual weather in the area and relative to normal temperatures for
the season. Temperature Climate Data
- 16. A tsunami , also known as a seismic sea wave or as a tidal
wave, is a series of waves in a water body caused by the
displacement of a large volume of water, generally in an ocean or a
large lake. Earthquakes, volcanic eruptions and other underwater
explosions (including detonations of underwater nuclear devices),
landslides, glacier calving, meteorite impacts and other
disturbances above or below water all have the potential to
generate a tsunami. Tidal waves of Tsunami entering city, Sumatra,
Indonesia
- 17. Name- Class- School-