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Topic: C4. Flux measurements and net greenhouse gas exchange

Kristell Hergoualc’h

This module introduces some of the methods available for assessing whether a wetland ecosystem is a net sink or a net source of greenhouse gases.
Methane can be an important contributor to net greenhouse gas budgets in wetlands. The capacity in heating the atmosphere is different for each greenhouse gas. This capacity is called global warming potential. The net exchange of carbon between a terrestrial ecosystem and the atmosphere can be evaluated by looking at the change over time in either the carbon stocks or the carbon fluxes.
In this module, we explain how the monitoring of environmental factors, such as weather and soil temperature, affect greenhouse gas emissions and carbon fluxes.

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