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Chapter 14
The Changing Climate
The Atmosphere 10e
Lutgens & Tarbuck
Power Point by Michael C. LoPresto
The Climate System
Cryosphere The World
of Ice
Detecting Climate Change
Sea-floor
Sediments
National
Ice-core
Laboratory
Temperature
Variations
over the Past
40,000 years
Detecting Climate Change
Tree Rings
Coral Colonies Provide Clues
to Changes in Sea Level
Natural Causes
of
Climate Change
Plate
Tectonics
Volcanic
Eruptions
Haze from
Volcanic
Eruptions
Reflects
Sunlight Back
into Space
The
White Cliffs
of Dover;
A Possible
Link between
Volcanism and
Past Climate
Change
Variations in Earth’s Orbit
Eccentricity
Obliquity
Precession
Solar
Variability
Sunspots
and
Temperature?
And
Drought?
Sunspot Cycle
Human Impact on Global Change
Use of Fossil Fuels Adds
Carbon Dioxide to the Atmosphere
Increases
in
Atmospheric
Carbon
Dioxide
Global Warming?
Temperature Variations since Industrial Revolution
Recent Temperature Variations
Methane;
A
Greenhouse
Gas
Produced
in Wetlands
Melting of Glacial Ice
Human-generated Aerosols
Influence Climate
Possible
Consequences
of
Global
Warming
Redistribution of Water and Agricultural Resources
Sea-level Rise
Melting Glacial Ice
Contributes to Rising Sea Levels
Arctic Sea Ice Decreased by 20% from 1979-2005
Decline in Arctic Sea Ice from 1979-2005
Tundra Lakes
Shrinking
and
Disappearing
by 11%
from
1973-2002
Collapse of
Antarctic
Ice Shelves
Polar Warming
Chapter 14
END