Human induced disasters essay help

Earthquakes, floods and landslides, etc.

Human induced disasters essay help

Natural Disasters on Earth: Essay on Natural Disasters Words Article shared by: Here is your comprehensive essay on Natural Disasters! A natural disaster is unforeseen, severe and immediate. Pollution, ozone depletion in the stratosphere and global warming come in this category. The destructive potential of any natural hazard is estimated basically by its spatial extent and severity.

Spatial extent upto which the effect of a disastrous event could be felt may easily human induced disasters essay help classified into small, medium and large scales. The phenomenon extending from a few kilometers to a few tens of kilometers are termed as small scale. Growing industrialisation and unjustified exploitation of natural resources have brought our echo system to a verge of non-reversibility and imbalance.

human induced disasters essay help

This has led to a threat from a set of natural hazards like pollution, global warming and ozone depletion on large or global scale. The management aspect of disaster may be classified as: The most important is the early warning systems. Unless sufficient advance notice is available, evacuation of the population likely to be affected cannot be undertaken.

There are two aspects of early warning system. One is the availability of an effective technique to forecast the disaster with its extent and the other is effective communication of the same to the civil authority responsible for rescue operations. In some phenomena, such as cyclones, flood, etc.

Hence early warning, communication, and rescue operations are possible. But, in a few cases like flash floods, microburst, etc. On the contrary, in earthquakes no proven methods has yet been evolved to give any prior warning and so post-hazard mitigation is the only alternative.

Role of Communication For a developing country like India, the role of communication in disaster mitigation is extremely critical. These can neither be provided in a short span of time available for mitigation nor are there resources to do so.

We have to depend on existing links, many of which completely break down during the disaster. The various types available for dissemination of disaster warning as well as arranging mitigation are: This assumes that the earth stations at the two ends are suitably located to remain unaffected.

Experience has shown that it remains completely unaffected under the severest cyclonic condition. However, the system is limited to one way communication only. The only addition required is the missing link between the nearest earth station to police headquarters. This would be a cost effective and reliable communication system for disaster warning and mitigation.

The theory of plate tectonics offers a comprehensive explanation for several geological phenomena — continental drift, mountain building and volcanism, and, of course, earthquake.

According to this theory, when the molten mass that was the earth billions of years ago cooled down, the crust that was formed was not one homogenous piece but broken into about a dozen large plates and several smaller ones with their thickness ranging from 30 km down to the lithosphere at depth of about km or so.

The plates are in incessant motion, with speeds of about 1 cm to 5 cm a year. Where two places converge or collide, a deep trench forms and one plate is deflected downwards into the asthenosphere which lies below the crust and the lithosphere. When two thick continential plates collide, rocks on the land are relatively light and too buoyant to descend into the asthenosphere.

The result is a huge zone of crushing, with rocks and other materials being folded. And this is how the Himalayas have emerged or, in fact, are continuing to emerge. As the deformation of the plate margins goes on, energy builds up in rocks in the form of elastic strain which continues till it exceeds their elastic limits and the rocks give way.

The sudden release of stored elastic energy causes earthquakes.Introd uction. Ever since humanity's ancestors left their native habitat in the tropical rainforests, they had to exploit new energy sources. Whether it was tools to scavenge predator kills, weapons that made humans into super-predators, fur from human prey worn as clothing, felling trees and using deforested land to grow crops and pasture animals, the game was always about securing or.

Displacement, Natural Disasters, and Human Rights. Facebook; Natural Disasters, and Human Rights the study concludes that there is little doubt that human-induced climate change has made.

The table below presents an abbreviated geologic time scale, with times and events germane to this essay. Please refer to a complete geologic time scale when this one seems inadequate. jung chang author biography essay essaye moi colonel abrams heroes journey essay assignment instructions amazing transfer essay help multiple essays essay 9 band brewery, Opinion essay oerb Human induced disasters essays.

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Natural and Man-Made Disaster and their Impact on Environment