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Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers
Published on: August 3, 2014
[Characteristics of N2O emissions from vegetal soils on Fildes peninsula, Antarctica]
1Institute of Polar Environment, University of Science and Technology of China, Anhui Hefei 230026, China.
Abstract:
The N2O fluxes from the vegetal soils were first measured on the Fildes peninsula, Antarctica, and the total N2O emission was also estimated in the summer 2 months. The daily variations of N2O fluxes appeared single-peak trend under the sunshine or rainy weather conditions but they were irregular under the snow weather conditions and inconsistent with the atmospheric temperatures. The seasonal variations of the N2O fluxes were affected by the temperature and rainfall. The conditions during the transitions between dry and wet seasons improved the N2O emission. The total N2O emissions from moss and lichen soils were 3.7152 kg and 2.5344 kg, respectively. It follows that the vegetal soils are the sources for the atmospheric N2O on the Fildes peninsula, Antarctica.
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