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A primer on the carbon cycle
Abstract
The atmosphere-ocean carbon cycle with particular attention to the residence time of in the atmosphere is clarified using a set of elementary box models along the lines of Schmitz. The coupling between surface of the ocean and the atmosphere is discussed using linear and nonlinear models. The different behavior of and is clarified. The diffusion of carbon dioxide in the deep ocean is briefly discussed.
© 2010 American Association of Physics Teachers
Received 12 May 2009
Accepted 04 January 2010
Published online 11 March 2010
Acknowledgments:
The author is greatly indebted to Professor Roger A. Schmitz for constant help and encouragement and for allowing access to his unpublished notes on “the ocean-atmosphere subsystem of the carbon cycle.” The author also wishes to thank Dr. Luciano Lepori for drawing the author’s attention to the problem and for useful discussions. Thanks are also due to the referees and Dr. Ernie Lewis for suggesting improvements.
Article outline:
I. INTRODUCTION
II. THE TWO-BOX MODEL
A. Solution (a)
B. Solution (b)
III. THE THREE-BOX MODEL
IV. NONLINEARITY AND THE REVELLE FACTOR
V. THE FOUR-BOX MODEL
VI. DIFFUSION OF IN THE DEEP OCEAN
VII. CONCLUSIONS
/content/aapt/journal/ajp/78/4/10.1119/1.3298429
http://aip.metastore.ingenta.com/content/aapt/journal/ajp/78/4/10.1119/1.3298429
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2010-03-11
2015-12-13
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