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Hazards & Disasters

Natural Hazards & Disasters

TermDefinition
natural hazard A natural process or phenomenon that may cause widespread injury, death, and property damage.
natural disaster Widespread injury, death, and property damage caused by a natural hazard.
seismometer An instrument that measures motions of the ground.
tiltmeter An instrument that measures the tilt of the Earth's surface.
weather hazard Any weather that falls outside of normal patterns.
climate hazard A physical process or event that can harm human health, livelihoods, or natural resources.
supercell A long-lived and highly organized storm feeding off an updraft that is tilted and rotating.
mitigation To reduce the severity or impact of something.
geologic hazard A natural event that can cause damage to people, buildings, or the land.
magnitude A way to measure how strong something is, like how powerful an earthquake is.
population A group of organisms of the same species that live in a specific geographical area.
Per Captia Consumption The average consumption per person within a population.
Habitat Destruction The ruin or alteration of a place inhabited by an ecological community.
Point-Source Pollution Pollution that comes from a specific site.
Nonpoint-Source Pollution Pollution that comes from many sources.
Extinct Describes a species that has died out completely.
Impermeable A material that does not allow water or liquid to pass through it.
Permeable Material which allows water or liquids to flow through.
Greenhouse Effect The warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide, and other gases absorb and re-radiate energy.
Trade Off Accepting something you don’t want so you can get something you do want.
Natural Resource any natural material or energy source that is used by humans
Renewable Resource a natural resource that CAN be replaced at the same rate at which the resource is consumed.
Nonrenewable Resource a resource that forms at a rate that is much SLOWER than the rate at which the resource is consumed
Impact a strong influence
Distribution the way something is spread out or arranged over a specific geographic area
Created by: user-2002120
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