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Understanding the Carbon Cycle: Atmospheric Changes and Implications

This article explores the dynamics of the carbon cycle with a focus on atmospheric carbon fluxes. It highlights that the influx of atmospheric carbon exceeds its outflux, leading to non-steady state conditions and an increase in the atmosphere's role as a carbon reservoir. The residence times for key greenhouse gases, such as carbon dioxide and methane, are discussed, with carbon dioxide lasting hundreds of years and methane having an average residence time of approximately 10.5 years. Understanding these processes is crucial for addressing climate change.

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Understanding the Carbon Cycle: Atmospheric Changes and Implications

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  1. The Carbon Cycle – Atmospheric Focus Patrick Loury Neil Swanson

  2. http://earthobservatory.nasa.gov/Features/CarbonCycle/page1.phphttp://earthobservatory.nasa.gov/Features/CarbonCycle/page1.php

  3. Carbon Fluxes and Residence Times • Influx of atmospheric carbon is greater than the outflux: • Non-steady state conditions • The atmosphere is growing as a carbon reservoir • Residence Times: • Carbon Dioxide: Variable, but on the order of hundreds of years • Methane: 10.5 ± 1.8 years

  4. http://www.epa.gov/outreach/scientific.html

  5. http://earthobservatory.nasa.gov/Features/CarbonCycle/page5.phphttp://earthobservatory.nasa.gov/Features/CarbonCycle/page5.php

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