Flashcards
Hazardous Environments - Key Terms
Flashcards do conjunto (18)
- 1AdjustmentChanges designed to react to and cope with a situation, such as the threat posed by a hazard.
- 2EarthquakeA violent shaking of the Earth’s crust.
- 3Emergency AidHelp in the form of food, medical care and temporary housing provided immediately after a natural disaster.
- 4EpicentreThe point on the Earth’s surface that is directly above the focus of an earthquake.
- 5HazzardAn event which threatens the well-being of people and their property.
- 6InfrastructureThe transport networks and the water, sewage and communications systems that are vital to people and their settlements and businesses.
- 7LaharA flow of wet material down the side of a volcano’s ash cone which can become a serious hazard.
- 8Natural DisasterA natural event or hazard causing damage and destruction to property, as well as personal injuries and death.
- 9Natural EventSomething happening in the physical environment, such as a storm, volcanic eruption or earthquake.
- 10Plate MovementMainly the coming together and the moving apart of tectonic plates.
- 11PredictionForecasting future events or changes.
- 12Pyroclastic FlowA devastating eruption of extremely hot gas, ash and rocks during a period of explosive volcanic activity; the downslope flow to this mixture is capable of reaching speeds up to 200kph.
- 13Risk AssessmentJudging the degree of damage and destruction that an area might experience as a result of a natural event.
- 14Storm SurgeA rapid rise in sea level in which water is piled up against the coastline to a level far exceeding the normal. It tends to happen when there is very low atmospheric pressure and where seawater is pushed into a narrow channel.
- 15SubductionThe pushing down of one tectonic plate under another at a collision plate margin. Pressure and heat convert the plate into magma.
- 16Tropical Revolving StormA weather system of very low-pressure formed over tropical seas and involving strong winds and heavy rainfall (also known as a cyclone, hurricane or typhoon).
- 17TsunamiA tidal wave caused by the shock waves originating from a submarine earthquake or volcanic eruption.
- 18Volcanic ActivityThe eruption.
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- IGCSE Geography (Hazardous Environments) FlashCards sobre Hazardous Environments - Key Terms, criado por Noah Swanson em 30-03-2015.
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- Noah Swanson
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