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Global
Earth
Warming
Increased temperature
Climate
Precipitation & tempature
Change
Difference
Global warming
overall increase in temperature on earth
Climate Change
Precipitation & temperature changes in different regions
Greenhouse effect
a natural process in which greenhouse gases absorb heat and release it slowly back into the atmosphere
CO2
Greenhouse gas (carbon dioxide)
Latitude
Measured distance from the equator
Greater the latitude _______
cooler the climate
Vegetation Climate Change
Promotes Cloud formation & absorbs carbon dioxide.
Topography Climate change
Higher altitudes cause colder temperatures & mountain ranges affect rainfall.
El nino
causes the Pacific jet stream to move south and spread further east. During winter, this leads to wetter conditions than usual in the Southern U.S. and warmer and drier conditions in the North.
La nina
the periodic cooling of ocean surface temperatures in the central and east-central equatorial Pacific.
El nino & La nina
disruptions to the normal directions of heat and moisture travelling in the pacific
Anthropogenic
Human caused
Why do greenhouse gases increase?
The burning of fossil fuels
Climate change cause by the sun
because of sun cycles, radiation is strongest every 11 yrs. Earth’s orbit changes slightly in cycles
Ice age cycles
Changes climate over periods of hundreds of thousands of years.
Climate change cause by volcanoes
release CO2 & can cool regions if they block the sun.
Main cause of climate change
HUMANSS
Proxy indicator
Indicate clues about past climates
Ex of proxy indicators
Patterns in tree rings, sediment analysis, ice core data
With humans, Energy enters through the sun ______
and less energy leaves
With just natural nature, energy enters from the sun ____
and the same amount of energy leaves
CO2 concentration now
425 ppm
CO2 concentration the earth can adapt to
350 ppm
Climate change caused by wind
Transports moisture & heat
Northeast & Southeast trade winds
moves wind to the west
Westerlies
winds that move air towards the east
Note
Flashcard