Topic
#3 On Quantifying Global Change: Scales, Rates & Time Series
[
color pdf ]
As part of the presentation we watched a You Tube video from the 350.ORG website: http://www.350.org/mission
Aug 29, 2011
In class today we did the following:
1. Lon Huber, a
former preceptor in the class, talkedt about the benefits of being a preceptor,
and then about
ASUA Sustainability Committee.
See this link to learn more: http://sustainability.asua.arizona.edu
If you would like to contact Lon, his email address is:
lhuber@email.arizona.edu
2.
Dr H gave a presentation on
Topic #3 Quantifying Global Change.
As part of the presentation we watched a You Tube video from the 350.ORG website: http://www.350.org/mission
We also watched part of the classic POWERS
OF 10 VIDEO.
See the entire film here:
http://www.powersof10.com/film
Also visit the
Powers
of 10 website - is a companion to the classic video by Charles & Ray
Eames - has a blog
See additional Powers of 10 links on the GC 170A Webpage under GLOBAL CHANGE LINKS.
3. Lastly we went over a
HANDOUT on Plotting Change over Time, Recognizing &
Describing Different Types of Change as Depicted in Time Series Plots
We started the exercise of
describing each type of plot -- finish it up on
your own and we'll wrap it up in class on Wed.
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P.S. SCIENTIFIC NOTATION REVIEW: Students were urged to
"brush up" on the scientific notation rules on
p 18 of
CLASS NOTES (when you get your copy)
SGC-E-text Chapter 2 also has a review and some practice questions.
Here are the answers to the Scientific Notation Practice questions on p 18 in Class Notes:
Examples: (7.5 x 10 5) / (2.5 x 10 2) = 3.0 x 10 3
Answers:
Wavelength of UV radiation = .0000001 mPopulation of the world = 6 x 10 9 people
Ratio of Earth diameter to diameter of a carbon atom =
1 x 10 7 / 1 x 10 -10 = 1 x 10 17
ALSO:
Be sure you've filled out and turned in your short background form. You will be administratively dropped from the course if I don't get your form in soon. See previous Class Follow Up links for access to the background form.
IF YOU MISSED CLASS TODAY:
Review the presentation for Topic #3 that you missed (by clicking on the presentation link above) & view the 350.org video (linked above) and the entire Powers of 10 Video (also linked above).