Natural Devastation The largest earthquake in 40 years shifted huge geological plates beneath the Indian Ocean on Dec. 26‚ 2004‚ causing a immense and abrupt displacement of millions of tons of water. Indonesia villages closest to the epicenter were swamped within minutes‚ while elsewhere the waves radiated outward‚ making landfall at speeds topping 500 mph (www.cbsnews.com). The phenomenon we call tsunami is a series of large waves of extremely long wavelength and period usually generated by
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The Four Fundamental Theories of Disasters The Four Fundamental Theories of Disasters Over the course of human history mankind has viewed natural disasters with a wide range of theories as to their causes and meanings. As we have come to learn more about our world through science and observation‚ we have changed our perspective as well as our methods for coping with and avoiding disasters. Over time‚ researchers have identified four fundamental theories of disasters that humans have held‚ or still
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The following are the principal types of natural vegetation in India: (1) Tropical Evergreen Rain Forests‚ (2) Deciduous or Monsoon Type of Forests‚ (3) Dry Deciduous Forests and Scrubs‚ (4) Semi- Desert and Desert Vegetations‚ (5) Tidal or Mangrove Forests and (6) Mountain Forests. • Tropical evergreen rain forests: These forests grow in areas where rainfall is more than 200 cm. They are mainly found on the slopes of the Western Ghats and the Northeastern regions of Arunachal Pradesh‚ Meghalaya
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Introduction Natural disasters are extreme‚ sudden events caused by environmental factors. They can happen at any time‚ often with little or no warning and they can cause serious injury to people and property. Earthquakes‚ tornadoes‚ wind storms‚ floods‚ tsunamis‚ wild fires‚ hurricanes‚ and heat waves often strike with little or no warning. People who are prepared for such an event have a better chance of survival. Preparation ensures that if disaster occurs people are ready to get through
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Natural Hazards – Bushfires A natural hazard is a natural event that has a significantly negative effect on people or the environment. Many natural hazards are related. For example drought can lead to famine and earthquakes can form tsunamis and landslides. Australia’s most common natural hazards are storms‚ cyclones‚ floods‚ droughts‚ heatwaves and bushfires. Natural Hazards have a major impact on Australian communities including loss of life‚ property damage‚ environmental destruction‚ and a
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Disaster A disaster is a hazard resulting in an event of substantial extent causing significant physical damage or destruction‚ loss of life‚ or drastic change to the environment. Types of disasters Natural disaster Man made disaster Natural disaster A natural disaster is a consequence when a natural hazard affects humans and/or the built environment. Eg: earthquake‚ flood‚ landslides‚ volcanic eruptions‚ floods and cyclones are all natural hazards that kill thousands of people and destroy
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Natural Phenomena Criteria Describe how any three natural phenomena impact/have impacted Caribbean Social and Economic life in the past and present Caribbean. Phenomena chosen: Hurricane Earthquake Volcano Introduction Natural Phenomena: An event occurring which is not man-made; it is of nature Examples include: Sunrise Weather (Hurricanes‚ Earthquakes‚ etc.) Biological Processes (germination‚ decomposition‚ etc.) Varying types of natural phenomena exists which may include:
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Introduction Floods are a natural hazard. There have been many devastating floods in the past decade. Different countries have reacted differently during and after the floods have occurred. Some countries have needed economic help during these times. Some countries were able to give detailed warning and saved many lives in doing so. Developed countries have the money to warn its people of any floods or other natural hazards which may affect a community. Developing countries often do not have the
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The phenomena of Natural Disasters An earthquake is sudden motion or trembling of the ground produced by the abrupt displacement of rock masses. HOW DO THEY OCCUR? The earth’s outer shell is divided into seven major and some smaller plates which are constantly in a dynamic state‚ pushing against‚ pulling away from‚ or grinding past one another. Forces build up as the plates attempt to move in relation to each other. When the adhesions along the fault give way‚ stored energy is released in the
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Unit 1 Lecture 1 Natural Resources: commodities existing in a natural state -which are useful to people‚ for human needs-food‚ shelter. -Copper which is used in pluming/pipes‚ electronics‚ east of phoenix‚ ray mine‚ -the demand for copper has grown in recent year Natural Resources- Commodities existing in a natural state which are useful to people. Various features of the physical env(stuff that exist in phy. env) which used to meet human needs such as clothing‚ food‚ and shelter. Since
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