this presentation is a classroom resource from windows to the universe with funding from the center...
TRANSCRIPT
![Page 1: This presentation is a classroom resource from Windows to the Universe with funding from the Center for Multi-Scale Modeling of Atmospheric Processes (CMMAP)](https://reader038.vdocuments.mx/reader038/viewer/2022103015/551777995503463e368b4ea4/html5/thumbnails/1.jpg)
This presentation is a classroom resource from Windows to the Universe with funding from the Center for Multi-Scale Modeling of Atmospheric Processes
(CMMAP) and the National Center for Atmospheric Research (NCAR).
www.windows2universe.org
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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 (slides 3 - 5)
Take a look at graph representations of the Los Angeles heat wave data and the average temperature data. How have they changed through time?
Reasons for patterns (slides 6 – 11)
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.
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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?
(From Tamrazian et al., 2008)
Looking for patterns
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This graph shows the duration of heat waves in Los Angeles, CA (measured in days.) Has there been a change through time?
(From Tamrazian et al., 2008)
Looking for patterns
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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?
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Warmer city temperatures are partially due to global warming. This graph shows how Earth’s average temperature has changed.
Reasons for patterns
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Reasons for patterns
The highest temperatures are found in the most dense part of a city. That’s the urban heat island effect.
The next 3 slides show how LA has changed over time. How do you think the heat island effect has changed as the city changed?
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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
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Los Angeles, CA in 1909. (Courtesy of the Library of Congress)
Reasons for patterns
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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
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Population Change in Los Angeles, CA
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500000
1000000
1500000
2000000
2500000
3000000
3500000
4000000
Year
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f P
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Reasons for patterns
Population change in Los Angles since 1890. (Data from US Census Bureau)
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For more information, please visit:www.windows2universe.org/teacher_resources/teach_heat.html
Feeling the heat