Blar i forfatter "Christensen, Torben R"

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    • Spatial variability of CO2 uptake in polygonal tundra: Assessing low-frequency disturbances in eddy covariance flux estimates 

      Pirk, Norbert; Sievers, Jakob; Mertes, Jordan; Parmentier, Frans-Jan; Mastepanov, Mikhail; Christensen, Torben R (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-29)
      The large spatial variability in Arctic tundra complicates the representative assessment of CO<sub>2</sub> budgets. Accurate measurements of these heterogeneous landscapes are, however, essential to understanding their vulnerability to climate change. We surveyed a polygonal tundra lowland on Svalbard with an unmanned aerial vehicle (UAV) that mapped ice-wedge morphology to complement eddy ...