Gaseous emissions from agriculture contribute significantly to greenhouse gas (GHG) and ammonia in the atmosphere, and climate change and pollution of aquatic ecosystems. Reliable data from measurements and studies is needed for the development of technology and management practice to reduce emissions, calculate emission inventories (e.g. IPCC) and provide valid data to assess emissions reduction for carbon credit trade. Three researchers with extensive experience in measuring gas emission from farming will present the great potential in the use of the chamber and tracer gas measuring method, and pitfalls, understanding, and application of the use of it.

The following three presentations will be given at the webinar:

Johanna Pedersen; Using dynamic flux chambers for measurements of ammonia emissions from land applied manure: accuracy of relative effects

Søren O. Petersen; Chamber measurements of nitrous oxide emissions from arable soil: Opportunities and limitations

David Janke; Measuring gaseous emissions from livestock housing systems with tracer gas methods.

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