How does human industry
affect flows of carbon in the
carbon cycle?
40—Ocean
Sciences
Sequence
© 2011
The Regents
ofUniversity
the University
of California
Unit 2, Slide Image
2.7.1—Ocean
Sciences
Sequence
6–8 6–8
© 2014
The Regents
of the
of California
2.7
x.x
Session 2.1
Guiding Question:
xxxxxCarbon
Unit 2, Slide 2.7.2—Ocean Sciences Sequence 6–8 © 2014 The Regents of the University of California
2.7
Paper Clip Carbon Cycle Model #1
2.7
Focus Questions
Which decrease?
2. W
hich reservoir gained the most
atoms from different reservoirs?
(at end, has most clips in different
colors)
3. W
hat happens to the total number
of carbon atoms on Earth?
Unit 2, Slide 2.7.3—Ocean Sciences Sequence 6–8 © 2014 The Regents of the University of California
1. W
hich reservoirs increase?
7000
6000
5000
4000
3000
2000
2000
1000
1800
1850
1900
1950
Time (years)
2004
2.7
Unit 2, Slide 2.7.4—Ocean Sciences Sequence 6–8 © 2014 The Regents of the University of California
TOTAL
Crude Oil
Coal
Natural Gas
Cement Production
8000
Million metric tons of carbon/year
Fossil Carbon Output
from Human Industry
•Carbon moves between reservoirs,
but the total amount of carbon on
Earth doesn't change.
•Human industry moves carbon
out of fossil fuel and limestone
reservoirs and into the atmosphere.
2.7
Concept
44—Ocean
Sciences
Sequence
© 2011
Regents
ofUniversity
the University
of California
Unit 2, Slide Image
2.7.5—Ocean
Sciences
Sequence
6–8 6–8
© 2014
The The
Regents
of the
of California
Key