figure 1
Atmospheric CO2 concentrations at Barrow, Ak, Mauna Loa, Hi,
American Samoa, and South
Pole.
(1990: American Scientist, 78, 325. Permission granted
by Sigma Xi, The
Scientific Research Society.)
figure 2
Atmospheric CO2 since
the beginning of the Industrial Revolution.
(EPA.)
figure 3
Changes in global atmospheric CO2 and global surface temperature over the
last 160,000 years.
(U.S. Global Change Research Program.)
figure 4
Definitions for Discussing Global Quantities.
figure 5
Net release of carbon from tropical deforestation.
(1989: EPA, Policy Options for Stabilizing
Global Climate.)
figure 6
Carbon dioxide emissions
from cement production.
(1989: EPA, Policy Options for Stabilizing
Global Climate.)
figure 7
Fossil fuel emissions.
(1990: American Scientist, 78, 310. Permission granted by
Sigma, Xi, The Scientific Research Society.)
figure 8
CO2 emissions due to fossil fuel consumption.
(EPA.)
figure 9
Seven box schematic of the
carbon cycle.
(NASA.)
figure 10
Euphotic and Aphotic Zones.
figure 11
Essential nutrients for ocean
plants.
figure 12
Biological activity in the
oceans of the southern hemisphere.
(July/Aug 1990: American
Scientist.
Permission granted by Sigma Xi, The Scientific
Research Society.)
figure 13
Biological activity in the
oceans of the northern hemisphere.
(July/Aug 1990: American
Scientist.
Permission granted by Sigma Xi, The Scientific
Research Society.)
figure 14
Mean near-surface
phytoplankton pigment concentrations off the California coast. (NASA.)
figure 15
Vertical distribution of
carbon dioxide in the air around a forest varies with time of day.
J. D. Butler, Air Pollution Chemistry, 1979.
figure 16
July-August global plant biological activity as determined by the Global Vegetative Index.
American Scientist. Permission granted by Sigma, Xi, The Scientific Research
Society.
figure 17
January-February global plant biological activity as determined by the Global Vegetative Index.
American Scientist, 78, 322 (1990). Permission granted by Sigma, Xi, The Scientific
Research Society.
figure 18
Productive potential of the
Earth's vegetative biomass.
(NASA)
Introduction
Carbon Dioxide Concentrations
System of Units
Causes of Increased CO2
Carbon Reservoirs and Fluxes
Ocean and Carbon Interactions
Terrestrial Plants and Carbon Interactions
Biological Production Potential
