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geography - Coggle Diagram
geography
Natural disasters are extreme, sudden events caused by environmental factors that result in damage, destruction, and sometimes loss of life. Here is an overview of the different types, causes, and effects of natural disasters:
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- Cyclones/Typhoons/Hurricanes
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- Earthquakes: Caused by the movement of tectonic plates along faults.
- Volcanic Eruptions: Result from magma rising through the Earth's crust due to pressure from underground magma chambers.
- Floods: Often caused by heavy rainfall, storm surges, or the overflow of rivers.
- Tsunamis: Usually triggered by underwater earthquakes, volcanic eruptions, or landslides.
- Cyclones/Typhoons/Hurricanes: Form over warm ocean waters due to atmospheric conditions creating low-pressure systems.
- Landslides: Caused by heavy rainfall, earthquakes, volcanic activity, or deforestation destabilizing slopes.
- Droughts: Result from prolonged periods of below-average rainfall, often linked to climate change.
- Tornadoes: Form from severe thunderstorms with intense wind shear and instability.
- Wildfires: Caused by dry conditions, lightning strikes, or human activities like arson.
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- Loss of Lives: Immediate fatalities and injuries.
- Property Damage: Destruction of homes, infrastructure, and livelihoods.
- Displacement: People losing their homes and becoming refugees.
- Economic Impact: Loss of income, increased costs for recovery, and economic slowdown.
- Environmental Damage: Destruction of ecosystems, pollution, and soil erosion.
- Psychological Impact: Trauma, stress, and mental health issues among affected populations.
- Disruption of Services: Interruptions in transportation, communication, healthcare, and emergency services.
Understanding these aspects helps in disaster preparedness, risk management, and reducing the impact of such events on communities and environments.
population
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Population Density=Total PopulationArea\text{Population Density} = \frac{\text{Total Population}}{\text{Area}}
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Area is the size of the region, typically in square kilometers or square miles.
population density is a measure of the number of people living in a specific area, usually expressed as the number of individuals per unit of area, such as per square kilometer or per square mile. It is used to understand how crowded or sparsely populated a region is.
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