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Flashcards - Understanding Human Impact on Earth & Global Climate Change

Flashcards - Understanding Human Impact on Earth & Global Climate Change
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ice ages
An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers
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Albedo
Albedo is the \""""whiteness\"""" of a surface
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sunspots
Sunspots are temporary phenomena on the photosphere of the Sun that appear as dark spots compared to surrounding regions
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photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
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greenhouse effect
The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere
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climate
Climate is the statistics of weather, usually over a 30-year interval
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climate
Climate is the statistics of weather, usually over a 30-year interval
greenhouse effect
The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere
photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
sunspots
Sunspots are temporary phenomena on the photosphere of the Sun that appear as dark spots compared to surrounding regions
Albedo
Albedo is the \""""whiteness\"""" of a surface
ice ages
An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers
extinct
In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species
ecological footprint
An ecological footprint is a measure of human impact on Earth's ecosystems
overconsumption
Overconsumption is a situation where resource use has outpaced the sustainable capacity of the ecosystem
overpopulation
Overpopulation occurs when a species' population exceeds the carrying capacity of its ecological niche
metapopulations
A metapopulation consists of a group of spatially separated populations of the same species which interact at some level
wildlife corridors
A wildlife corridor, habitat corridor, or green corridor is an area of habitat connecting wildlife populations separated by human activities or structures
positive feedback
Positive feedback is a process that occurs in a feedback loop in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation

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