Global Warming
Global Warming Part of a natural cycle or human induced?
Natural Green House Effect
Global Warming (a.k.a. enhanced greenhouse effect)
Most Common Greenhouse Gases (All occur naturally, but are increased by human actions)
Back in Time...
Growing Awareness
Climate
Things to consider when looking at global warming:
Analyzing Data Activity
Paleoclimatology
Sources of Data in Paleoclimatology
Glaciers and Ice caps
Sediments of Lakes and Oceans
What the data demonstrates
Paleoclimatology (Data taken from ice cores and oceanic sediments)
Natural cycles exist
Correlations
More Recent Data
Temperature
CO2 Levels
CO2 Levels and Other gases
Carbon Cycle-Movement of carbon, in its many forms, between the biosphere, atmosphere, oceans, and geosphere can be seen in this diagram
Main Parts of the Carbon Cycle
Unknowns in the Carbon Cycle
Plants to the Rescue?
Ocean Level Trends
Conclusions
However,
Future Predictions
Bibliography
Email: lbrun@worldnet.att.net
Home Page: http://geosun.sjsu.edu/paula/255/index.html