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This presentation was developed with funding from the Center for Multi-Scale
Modeling of Atmospheric Processes (CMMAP) and...
Feeling the heat
This presentation is full of data and images to get
you thinking! Discuss as a class the patterns you
see...
This graph shows
the number of
heat waves in
Los Angeles, CA
over the past
century. Do you
see a pattern?
How have heat
wa...
This graph shows
the duration of
heat waves in Los
Angeles, CA
(measured in
days.) Has there
been a change
through time?
(...
Looking for patterns
How has the temperature in Los Angeles changed over time? This
graph shows the average temperature fo...
Warmer city temperatures are partially due to global warming.
This graph shows how Earth’s average temperature has changed...
Reasons for patterns
Notice above how the highest temperatures are found in the
most dense part of a city?
The 3 following...
Los Angeles, CA in 1877. East LA is on the left and West LA is
on the right. (Courtesy of the Library of Congress)
Reasons...
Los Angeles, CA in 1909. (Courtesy of the Library of Congress)
Reasons for patterns
Los Angeles, CA in 2002. This 3-D perspective view was generated
using topographic data and an enhanced color Landsat 5 sa...
Population Change in Los Angeles, CA
0
500000
1000000
1500000
2000000
2500000
3000000
3500000
4000000
1890
1900
1910
1920
...
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Feeling the Heat: Explore an Urban Heat Island

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Feeling the Heat: Explore an Urban Heat Island

  1. 1. This presentation was developed with funding from the Center for Multi-Scale Modeling of Atmospheric Processes (CMMAP) and the National Center for Atmospheric Research (NCAR). Copyright NESTA Feeling the Heat
  2. 2. Feeling the heat This presentation is full of data and images to get you thinking! Discuss as a class the patterns you see and the reasons for those patterns. Looking for patterns Take a look at graph representations of the Los Angeles heat wave data and the average temperature data. How have they changed throguh time? Reasons for patterns Check out how global climate has changed over time and compare that with the data from Los Angeles. Take a look at how Los Angeles has grown through time and how that has impacted the heat island effect.
  3. 3. This graph shows the number of heat waves in Los Angeles, CA over the past century. Do you see a pattern? How have heat waves changed through time? (Graph from Tamrazian et al., 2008) Looking for patterns
  4. 4. This graph shows the duration of heat waves in Los Angeles, CA (measured in days.) Has there been a change through time? (Graph from Tamrazian et al., 2008) Looking for patterns
  5. 5. Looking for patterns How has the temperature in Los Angeles changed over time? This graph shows the average temperature for each year. See a pattern?
  6. 6. Warmer city temperatures are partially due to global warming. This graph shows how Earth’s average temperature has changed. Reasons for patterns
  7. 7. Reasons for patterns Notice above how the highest temperatures are found in the most dense part of a city? The 3 following slides show how LA has changed over time. How do you think the heat island effect has changed over time? What was the heat island effect like in 1877, 1909, and 2002?
  8. 8. Los Angeles, CA in 1877. East LA is on the left and West LA is on the right. (Courtesy of the Library of Congress) Reasons for patterns
  9. 9. Los Angeles, CA in 1909. (Courtesy of the Library of Congress) Reasons for patterns
  10. 10. Los Angeles, CA in 2002. This 3-D perspective view was generated using topographic data and an enhanced color Landsat 5 satellite image mosaic. Topography is exaggerated one and one-half times. (Courtesy of NASA/JPL) Reasons for patterns
  11. 11. Population Change in Los Angeles, CA 0 500000 1000000 1500000 2000000 2500000 3000000 3500000 4000000 1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 Year NumberofPeople Reasons for patterns Population change in Los Angles since 1890. (Data from US Census Bureau)

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