write a preface on disaster m management project file
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Various disasters like earthquake, landslides, volcanic eruptions, fires, flood and cyclones are natural hazards that kill thousands of people and destroy billions of dollars of habitat and property each year.
With the tropical climate and unstable land forms, coupled with deforestation, unplanned growth proliferation non-engineered constructions which make the disaster-prone areas mere vulnerable, tardy communication, poor or no budgetary allocation for disaster prevention, developing countries suffer more or less chronically by natural disasters
India has been traditionally vulnerable to natural disasters on account of
its unique geo-climatic conditions. Floods, droughts, cyclones, earthquakes and
landslides have been a recurrent phenomena.
About 60% of the landmass is prone to earthquakes of various intensities; over 40 million hectares is prone to floods; about 8% of the total area is prone to cyclones and 68% of the area is susceptible to drought.
In the decade 1990-2000, an average of about 4344 people lost their lives and about 30 million people were affected by disasters every year. The loss in terms of private, community and public assets has been astronomical
India has been very vulnerable to natural hazards and calamities. The Bhuj
earthquake accounted for 13805 deaths, the super cyclone in Orissa accounted for
9885 deaths.
At the global level, there has been considerable concern over natural
disasters. Even as substantial scientific and material progress is made, the loss of
lives and property due to disasters has not decreased. In fact, the human toll and
economic losses have mounted.Over the past couple of years, the Government of India have brought about a paradigm shift in the approach to disaster management.
The steps being taken by the Government covers institutional mechanisms, disaster prevention strategy, early warning system, disaster mitigation, preparedness and response and human resource development.Let’s see in detail about the role of government/non-government agencies in disaster management in further pages
Main types of Disasters
Drought:
Drought is the single most important weather- related natural disaster often aggravated by human action. Drought's beginning is subtle, its progress is insidious and its effects can be devastating. Drought may start any time, last indefinitely and attain many degrees of severity
drought is a frequent phenomenon over many parts of India. In India, thirty three percent of the area receives less than 750mm rainfall and is chronically drought-prone, and thirty five percent of the area with 750-1125mm rainfall is also subject to drought once in four to five years.
Thus, 68 percent of the total sown area covering about 142 million hectares are vulnerable to drought conditions. India has faced three major droughts in this century- 1904-1905,1965-66 and 1986-87. The 1987 drought had a lasting impact on one-third of the country.
Cyclone
The intense tropical storms are known in different part of the world by different names. In the Pacific ocean, they are called 'typhoons', in the Indian ocean they are called 'cyclones' and over North Atlantic, they are called 'hurricane'.
Among various natural calamaties, tropical cyclones are known to claim a higher share of deaths and distruction world over. Records show that about 80 tropical cyclones form over the globe every year. India has a vast coast line which is frequently affected by tropical cyclones causing heavy loss of human lives and property.
Cyclones occurs usually between April and May (called pre-monsoon cyclonic storms) and between October and December (called post-monsoon cyclonic storms). While cyclonic storms can't be prevented, the loss of lives and damage to the properties can be mitigated if prompt action is taken after receiving timely warnings.
Flood
India is the worst flood-affected country in the world after Bangladesh and accounts for one-fifth of the global death count due to floods. About 40 million hectares or nearly 1/8th of India's geographical area is flood-prone. An estimated 8 million hectares of land are affected annually. The cropped area affected annually ranges from 3.5 million ha during normal floods to 10 million ha during worst flood.
Earthquake
Earthquakes are caused by the abrupt release of strain that has built up in the earth's crust. Most zones of maximum earthquake intensity and frequency occur at the boundaries between the moving plates that form the crust of the earth.
Volcanic Eruption
Many times precursors of volcanic eruptions have been observed in various areas of volcanic activity. Ground deformations, changes in the compositions of gases emitting from volcanic vents, changes in the temperatures of fumaroles, hot springs and crater lakes as well as earth tremors are preceding volcanic eruptions. Thermal infrared remote sensing has been applied for volcanic hazard assessment.
With the tropical climate and unstable land forms, coupled with deforestation, unplanned growth proliferation non-engineered constructions which make the disaster-prone areas mere vulnerable, tardy communication, poor or no budgetary allocation for disaster prevention, developing countries suffer more or less chronically by natural disasters
India has been traditionally vulnerable to natural disasters on account of
its unique geo-climatic conditions. Floods, droughts, cyclones, earthquakes and
landslides have been a recurrent phenomena.
About 60% of the landmass is prone to earthquakes of various intensities; over 40 million hectares is prone to floods; about 8% of the total area is prone to cyclones and 68% of the area is susceptible to drought.
In the decade 1990-2000, an average of about 4344 people lost their lives and about 30 million people were affected by disasters every year. The loss in terms of private, community and public assets has been astronomical
India has been very vulnerable to natural hazards and calamities. The Bhuj
earthquake accounted for 13805 deaths, the super cyclone in Orissa accounted for
9885 deaths.
At the global level, there has been considerable concern over natural
disasters. Even as substantial scientific and material progress is made, the loss of
lives and property due to disasters has not decreased. In fact, the human toll and
economic losses have mounted.Over the past couple of years, the Government of India have brought about a paradigm shift in the approach to disaster management.
The steps being taken by the Government covers institutional mechanisms, disaster prevention strategy, early warning system, disaster mitigation, preparedness and response and human resource development.Let’s see in detail about the role of government/non-government agencies in disaster management in further pages
Main types of Disasters
Drought:
Drought is the single most important weather- related natural disaster often aggravated by human action. Drought's beginning is subtle, its progress is insidious and its effects can be devastating. Drought may start any time, last indefinitely and attain many degrees of severity
drought is a frequent phenomenon over many parts of India. In India, thirty three percent of the area receives less than 750mm rainfall and is chronically drought-prone, and thirty five percent of the area with 750-1125mm rainfall is also subject to drought once in four to five years.
Thus, 68 percent of the total sown area covering about 142 million hectares are vulnerable to drought conditions. India has faced three major droughts in this century- 1904-1905,1965-66 and 1986-87. The 1987 drought had a lasting impact on one-third of the country.
Cyclone
The intense tropical storms are known in different part of the world by different names. In the Pacific ocean, they are called 'typhoons', in the Indian ocean they are called 'cyclones' and over North Atlantic, they are called 'hurricane'.
Among various natural calamaties, tropical cyclones are known to claim a higher share of deaths and distruction world over. Records show that about 80 tropical cyclones form over the globe every year. India has a vast coast line which is frequently affected by tropical cyclones causing heavy loss of human lives and property.
Cyclones occurs usually between April and May (called pre-monsoon cyclonic storms) and between October and December (called post-monsoon cyclonic storms). While cyclonic storms can't be prevented, the loss of lives and damage to the properties can be mitigated if prompt action is taken after receiving timely warnings.
Flood
India is the worst flood-affected country in the world after Bangladesh and accounts for one-fifth of the global death count due to floods. About 40 million hectares or nearly 1/8th of India's geographical area is flood-prone. An estimated 8 million hectares of land are affected annually. The cropped area affected annually ranges from 3.5 million ha during normal floods to 10 million ha during worst flood.
Earthquake
Earthquakes are caused by the abrupt release of strain that has built up in the earth's crust. Most zones of maximum earthquake intensity and frequency occur at the boundaries between the moving plates that form the crust of the earth.
Volcanic Eruption
Many times precursors of volcanic eruptions have been observed in various areas of volcanic activity. Ground deformations, changes in the compositions of gases emitting from volcanic vents, changes in the temperatures of fumaroles, hot springs and crater lakes as well as earth tremors are preceding volcanic eruptions. Thermal infrared remote sensing has been applied for volcanic hazard assessment.
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