¾ ozone layer ¾ stratosphere 78% n, 21% o troposphere
TRANSCRIPT
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The
Atmosphere
Troposphere
Stratosphere
78% N, 21% O
Ozone layer
Fig. 20-2 p. 434
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Outdoor Air Pollution Primary pollutants Secondary pollutants
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Fig. 18-22, p. 485
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Fig. 18-1, p. 465
The South Asian Brown Clouds are
gigantic clouds of dust, smoke,
soot, and other pollutants that
stretch over much of South Asia.
One is visible here over eastern
China.
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Fig. 18-2, p. 465
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Brown-air smog
Photochemical
reaction
Photochemical
oxidants
Fig. 20-5 p. 440
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Industrial
Smog
Gray-air smog
Industrial smog
Sulfuric acid
Sulfur dioxide
Particulates
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Temperature Inversions
Fig. 20-7 p. 443
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Fig. 18-13, p. 476
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Fig. 18-12, p. 475
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CO 5
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Regional Outdoor Air Pollution from Acid Deposition
Fig. 20-8 p. 444
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Fig. 18-9, p. 474
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Nutrient
leaching
Heavy metal
release
Weakens trees
Fig. 20-11 p. 447
Acid Deposition, Plants, and Soil
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Acid Deposition in the US
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Acid
Deposition
Damage
Acid rain can eat through stone and metal. It has accelerated
the natural weathering process of this scarred stone angel's face.
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Fig. 18-7, p. 471
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Acid deposition weakens trees and pollutes surface waters.
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Fig. 18-16b, p. 479
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Fig. 20-12 p. 448
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Fig. 18-19, p. 482
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Indoor Air Pollution Fig. 20-13 p.450
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Fig. 18-18, p. 481
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Radon
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Lung of non-smoker. Right: Lung
of smoker
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Emission
Reduction
Fig. 20-17 p. 456
Fig. 20-18a p. 457
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Reducing
Motor
Vehicle
Air
Pollution
Fig. 20-19 p. 458
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Fig. 18-23, p. 487
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Fig. 18-25, p. 488
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Fig. 18-26, p. 488
The energy-efficient Turbo Stove™
can greatly reduce indoor air
pollution and the resulting
premature deaths in less-developed
countries such as India
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Fig. 21-2 p. 463
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Last Ice Age was ~6C colder than present temperatures
Last glacial
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The Last Ice Age
Northern NJ was
covered by ~1 km
thick ice sheet
30% of the land
surface was covered
by ice (only 10% is
covered today)
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Orbital Parameters
Cause variations in solar
radiation with times scales
<100,000 years
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The Greenhouse Effect
Fig. 6-14 p. 110
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This time series shows the
combined global land and marine
surface temperature record from
1850 through 2006.
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Northern Hemisphere Temperature Change for the Last 1,000 Years
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Fig. 19-2b, p. 494
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Fig. 19-2c, p. 494
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Global Carbon Dioxide Over the Last 450,000 Years
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The ratio of record daily highs to record daily
lows was significantly higher in the last decade
than in five previous ones, new research shows.
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Predicted Concentrations of Green House Gases
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Fig. 19-3b, p. 495
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Fig. 19-4, p. 496
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Fig. 19-7a, p. 499
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Fig. 19-7b, p. 499
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Vanishing Ice
Photograph by Melissa Farlow and Randy Olson
Outfitted for a day of ice climbing, students test
their skills on a glacier named the Mer de Glace,
or Sea of Ice—one of the largest glaciers in the
Alps. It extends eight miles (12 kilometers) on the
northern side of Mont Blanc near Chamonix,
France. Like other glaciers throughout the Alps,
this one is receding. If current trends hold,
scientists predict that 50 to 80 percent of
remaining Alpine glaciers could vanish by 2100.
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Some
Possible
Effects
of a
Warmer
World
Fig. 21-12 p. 475
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Fig. 19-11, p. 507
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Fig. 19-12, p. 508
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Fig. 19-13, p. 509
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A Kirtland's warbler in its native
habitat
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Fig. 19-15, p. 511
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Fig. 19-D, p. 512
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Solutions:
Dealing
with the
Threat of
Climate
Change
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Removing CO2 from the Atmosphere
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Fig. 19-17, p. 516
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Fig. 19-20, p. 520
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Fig. 21-21 p. 484
Ozone Depletion in the Stratosphere
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Fig. 19-21, p. 521
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Fig. 21-25 p. 487
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Squamous cell carcinoma
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Basal cell carcinoma
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Antarctic Ozone Values Since 1979
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Solutions: Protecting the Ozone Layer