Temperature and Microtopography Interact to Control Carbon Cycling in a High Arctic Fen

@article{Sullivan2007TemperatureAM,
  title={Temperature and Microtopography Interact to Control Carbon Cycling in a High Arctic Fen},
  author={Patrick F Sullivan and Seth J. T. Arens and Rodney A. Chimner and Jeffrey M. Welker},
  journal={Ecosystems},
  year={2007},
  volume={11},
  pages={61-76}
}
High arctic wetlands hold large stores of soil carbon (C). The fate of these C stores in a changing climate is uncertain, as rising air temperatures may differentially affect photosynthesis and ecosystem respiration (ER). In this study, open-top warming chambers were used to increase air and soil temperatures in contrasting microtopographic positions of a high arctic fen in NW Greenland. CO2 exchange between the ecosystem and the atmosphere was measured on 28 dates over a 3-year period… CONTINUE READING

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