Evaporation and Condensation of Large Droplets in the Presence of
Greenhouse Effect - Moore Public Schools...Global Heat Budget Condensation & •Energy is...
Transcript of Greenhouse Effect - Moore Public Schools...Global Heat Budget Condensation & •Energy is...
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Greenhouse EffectHow we stay warm
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The Sun’s energy reaches Earth
through Radiation (heat
traveling through Space)
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What is Insolation?
The incoming solar radiation (energy
from the Sun) that reaches Earth
When and where does the most intense Insolation
occur?
Time of Day: Noon
Time of Year: June 21 (NH)
Where: Near the Equator
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How much solar
radiation reaches Earth?
The Earth’s
surface only
absorbs 51%
of incoming
solar
radiation
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Global Heat Budget
Condensation &
•Energy is transferred from the Earth’s surface
by radiation, conduction, convection, radiation,
evaporation, and water condensation.
•Ultimately, the Sun’s heat and Earth’s energy
transfer is a major cause of weather.
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Greenhouse Effect
• The Process by which atmosphere gases
absorb heat energy from the sun and
prevent heat from leaving our
atmosphere.
• In other words, greenhouse gases trap
heat energy and keep it close to earth.
• 3 Main Greenhouse Gases: CARBON
DIOXIDE (CO2), Methane, and WATER
VAPOR
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The Greenhouse Effect works like a Greenhouse
Write your explanation and question in your notes
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Is the Greenhouse Effect
Good or Bad?
• It is necessary for life (good)- it keeps
our climate toasty warm and prevents it
from fluctuating (changing) too much.
• It is bad when: there are too many
greenhouse gasses and the climate
gets warmer (GLOBAL WARMING)
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Consider the Greenhouse effect on
other planets
Mercury Venus
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What is Global Warming?
• An increase in average global
temperatures
• It is caused by an increase in
Greenhouse Gases in the Atmosphere
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What causes an Increase in
Greenhouse gases?• 1. CARBON DIOXIDE is added to the
atmosphere when people burn coal, oil
(gasoline), and natural gas FOSSIL FUELS,
for transportation, factories, and electricity.
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What else causes an increase in
Greenhouse gases?
• 2. Deforestation, or the clearing of forests,
also increases the amount of CARBON
DIOXIDE in the air because in
photosynthesis plants take in carbon dioxide
and remove it from the atmosphere, they
make oxygen.
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What else causes an increase in
Greenhouse gases?
• 3. Volcanoes, fires, and respiration
(breathing) also add CO2 to the atmosphere.
Carbon
Cycle
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What else causes an increase in Greenhouse gases?
• 4. Methane is produced when
garbage is buried in landfills,
from animal waste (poop), and
from other natural sources.
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What else causes an increase in Greenhouse gases?
• 5. As temperatures increase, evaporation
increases which adds water vapor.
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LOOK…Is there a
correlation between
temperature and
CO2 levels?
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Is Global Warming Happening?• 1. How much have global temperatures changed between
1980 and 2000?
• 2. How much are global temperatures expected to change
between 2000 and 2100?
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Is Global Warming Melting Ice Caps?3. What percent of the polar ice caps have melted since 1979?
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Is Sea Level Rising?
4. How much has sea level gone up since 1990?
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5. Is Global Warming Causing
Stronger Storms?
• Hurricanes get strength from warm
ocean water. A warmer climate causes
warmer ocean currents. We might see an
increase in strong storms as a result of
global warming.
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6. Man-made Sources of Greenhouse Gasses
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7. Heat
Image of
Earth
Where is
it the
warmest
?
Why?
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Arctic Ice
Sheet
melting
faster than
predicted
……
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