1. GEOL 108 - Crises of a Planet Lab 11 - Air Pollution
Nov , 2012
Department of Earth Sciences

2. QUIZ 9 REVIEW
Label the wells in the figure below with the appropriate letter, using each letter once. Draw a dashed line representing a possible potentiometric surface.
REVIEW | 2
Department of Earth Sciences

3. QUIZ 9 REVIEW
In last week’s demonstration, in what direction did groundwater flow in the groundwater model (the ant farm up front).
REVIEW | 3
Department of Earth Sciences

4. QUIZ 9 REVIEW
Extreme ground subsidence has occurred in the San Joaquin Valley, California, causing the land surface to drop up to 30 feet in elevation. How might this occur by over pumping of the aquifer?
Bonus: The geologist president
REVIEW | 4
Department of Earth Sciences

5. + = LAB 11 - AIR POLLUTION Pleet-vitch-kie
Department of Earth Sciences

6. AIR POLLUTION IN HISTORY
St. Louis
AIR POLLUTION | 6
Department of Earth Sciences

7. AIR POLLUTION IN HISTORY
London
6-12,000 killed
AIR POLLUTION | 7
Department of Earth Sciences

8. AIR POLLUTION IN HISTORY
Beijing Olympics 2008
AIR POLLUTION | 8
Department of Earth Sciences

9. AIR POLLUTION AROUND THE WORLD
NO2 around the world
Leads to production of ozone in the lower atmosphere
AIR POLLUTION | 9
Department of Earth Sciences

10. PARTICULATE MATTER Tiny bits of solid or liquid suspended in a gas
Linked to asthma, lung cancer, cardiovascular and respiratory disease, birth defects.
PM10 refers to particles less than 10 microns (1 x 10-5 meters)
The smallest particles can pass through cell membranes
AIR POLLUTION | 10
Department of Earth Sciences

11. POLLUTION COMPOSITION
AIR POLLUTION | 11
Department of Earth Sciences

12. ALTERNATIVE FUELS Compressed Natural Gas
Compared to diesel buses, reduces emissions of particulates by 90%, carbon monoxide by 80%, and greenhouse gases by 20%
AIR POLLUTION | 12
Department of Earth Sciences

13. ALTERNATIVE FUELS Hydrogen
Car emits only water vapor, but the most common source for hydrogen is natural gas, which releases greenhouse gases during production.
Additional challenges with building infrastructure.
Existing hydrogen fueling stations in LA
AIR POLLUTION | 13
Department of Earth Sciences

14. AIR POLLUTION IN LOS ANGELES
Geography and climate of LA enhances smog effect
Though air temperature usually decreases with elevation in the troposphere, this is not the case in Los Angeles
Layer of warm air above city prevents normal circulation
Typically sunny days initiates reactions that create smog
Ritter, Michael E. The Physical Environment: an Introduction to Physical Geography.
AIR POLLUTION | 14
Department of Earth Sciences