Tuesday, November 18, 2014
Uttarakhand
What else can one expect when the nature is raped by mining mafia, real estate crooks that construct 5-storey buildings, hotels and guest houses on river bed and cutting down thousands of hectares of forests and building scores of dams indiscriminately in an ecologically sensitive zone disregarding warnings given by Environmentalists?
EARTHQUAKE
EARTHQUAKE
"An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time.
Earthquakes are caused by disturbances in the interior of the earth and other causes.
1.Tectonic Movements:
2.Volcanic Eruptions:
3.Other Reasons:
The roofs of underground caves sometimes give way and release great force to cause minor tremors in the earth crust. Nuclear explosions also release massive energy to cause tremors in the earth crust.
Earthquakes are less advantageous and more harmful to man.Damage done is chiefly in following respects:
1.Loss of Property:
2.Loss of Life:
3.Changes in the course of rivers:
4.Tsunamis:
5.Mud Fountains:
On account of earthquakes of high intensity, warm water and mud fountains also burst.
6.Cracks in Earth Crust:
hurricane
HURRICANE
Causes of Hurricane:-
1. Hurricanes are large tropical storms that form in the Atlantic and Gulf of Mexico.
2. A hurricane has winds up to 74 miles per hour or more.
3. In the eye of a hurricane it is peaceful, but outside the eye it is rough.
Drought
Drought

Drought is an extended period when a region notes a deficiency in its water supply whether surface or underground water. A drought can last for months or years, or may be declared after as few as 15 days. Generally, this occurs when a region receives consistently below average precipitation..
Causes of Drought
1.Low Rainfall or Delay of
Monsoon:
2.Faulty management of water
resources:
3.Decline in ground
water level.
4.Ignoring land management
Effects of DroughtEconomic
-Damage to crop quality, less foodproduction
- Increase in food prices
- Unavailability of water and feed for
livestock which leads to high livestock
mortality rates
- Income loss for farmers and others affected
- Unemployment from production declines
Environmental-
Increased desertification -Damage to animal species
- Lack of feed and drinking water
- Disease
- loss of wildlife in some areas and too many in others
- Damage to plant species
Social
- Loss of human life from food shortages, heat, suicides, violence
- Mental and physical stress
- Water user conflicts
- Political conflicts
- increased poverty
- Population migrations
Flood
FLOOD






A flood is an overflow of any amount of water that reaches land.
Floods occur usually when the volume of water within a body of water, such as a river or lake, exceeds
the total capacity of the formation, and as a result some of the water flows or sits outside of the normal perimeter of the body.
1. Heavy rain where no proper rain water drainage system.
2.melting of ice fields in poles due to global warming.
3.may be due to construction of barriers like Dams, without proper estimation on maximum possible flood area.
4. can happen due to earth quake which may cause tsunamis.
Effects.
1.major disasters.
2.loss of land
3.loss of source of food.
4.spreading of deceases
5.damages to properties.
6.obstruct communication systems like roads rails etc.
7.massive migration may occur, leading to poverty
and so on..
AD
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