Natural Hazards What is a natural hazard? A natural hazard is a naturally occuring physical event which poses a threat and negatively impacts people and the environment. Examples of natural hazards are: earthquakes‚ tsunamis‚ wildfires‚ floods‚ volcanic eruptions etc. Earthquakes and their Occurence What is an Earthquake? An earthquake is a sudden rapid vibration along the earth’s crust due to individual tremors‚ sometimes causing great destruction to the earth’s lithosphere and its inhabitants
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Contents Introduction Environmental mangement - A Closer Look Sustainability Sustainability and Information Systems Disaster Management Mitigation Preparedness Response Recovery IS in Disaster Management Natural Hazards Overview of Hazards Analysis of different natural hazard types Natural Hazards in the past 10 years Watching Our Planet: Technological Systems in the face of disaster Remote Sensing Geographic Information Systems (GIS) Global Positioning Systems (GPS) Communications Technology Satellite
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study and manage‚ its control is highly complex and very costly. Water pollution is defined as presence of any foreign substance (organic‚ inorganic‚ biological or radiological) in water which tends to degrade the quality so as to constitute a hazard‚ or impair the usefulness of water. It contains various types of impurities such as dissolved gases‚ dissolved minerals‚ suspended matters and even microbes. The presence of water pollutants alters the amount of dissolved oxygen and biochemical
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62-69) by Jared Diamond”‚ I have learnt that the past Polynesian civilization on Easter Island was severely dismantled due to introduction of foreign species‚ overpopulation‚ continued deforestation and extraction of natural resources. The author implied that we might succumb to a similar consequence if our ecological hazards continuously being ignored. This article is mainly about the factors that cause the extinction of the former civilization on Easter Island . From paragraph 6- 8 (page 64)‚ we can
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use of machinery and factories led to mass production‚ which in turn led to the development of numerous environmental hazards. The effects on the environment would only be seen clearly years later. The use of factories and mass production has led to a depletion of certain natural resources‚ leaving the environment permanently damaged. One example of this depletion is deforestation‚ which is the clearing of forest trees for use in production. When the trees are cleared‚ the wildlife in the forest
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Essay Exam #1 1. The leaders of both the American and French Revolutions declared that their goal was to create a new political system based on the principles of liberty and equality. However‚ the interpretation of those ideas by the American Founding Fathers turned out to be distinctly different from that of the French revolutionaries. How did those different interpretations of the concepts of liberty and equality affect the outcomes and the legacies of both revolutions? Analyze‚ compare‚ and contrast
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The paper highlighted those stresses : the rural exodus to the cities due to scarce land resources in the countryside‚ the pollution problems in the urban environment‚ the migration of people to forested areas with direct impacts including the deforestation‚ the watershed degradation and the loss of biodiversity. Striking a balance between population growth and conserving the natural resources are necessary for a sustainable development which is to move away from resource exploitation and more toward
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the numbers of each species in an ecosystem." The most important point being that the natural balance in an ecosystem is maintained. This balance may be disturbed due to the introduction of new species‚ the sudden death of some species‚ natural hazards or man-made causes. The carpet bombing of the lush green forests during the Vietnam war led to the loss of habitat of many species. Special features on population and the environment show how population has increased from the industrial age and
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seems to have already begun. The planet is a living thing‚ and like every living thing it does know how to defend itself. The weapons our beloved planet Earth is using to protect itself are natural disasters. Natural disasters are actually natural hazards‚ like storms and earthquakes‚ which when affect human activities turn into natural disasters. It causes financial loss to humans‚ and environment loss to the planet. An earthquake occurring in an uninhabited area will only be a
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warming. Where these are dynamics that threaten our quality of life‚ they are also by-products of an even greater danger. The single most paramount menace that threatens human survival is the deforestation of tropical rain forests by the hands of man in the name of progress. The only way to remedy this ominous hazard is to get people to view tropical rain forests as more than mere varieties of vegetation and wild animals. The key to solidifying the necessity of tropical rain forests lies deep within the
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