Table of Contents
Remote Sens., Volume 9, Issue 12 (December 2017)
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Cover Story (view full-size image) Release of methane (CH4) from the Arctic can affect global climate. Predicting future CH4 emissions [...] Read more. Release of methane (CH4) from the Arctic can affect global climate. Predicting future CH4 emissions remains challenging because Arctic landscapes are characterized by high spatial heterogeneity with vegetation types, environmental conditions, and CH4 fluxes varying substantially over the meter scale. This large spatial heterogeneity requires the use of high resolution remote sensing imagery to upscale the chamber measurements to the ecosystem scale eddy covariance (EC) tower measurements. However, there is still disagreement on the methodologies used to perform this upscaling. We show that high resolution vegetation maps can be successfully integrated into both a simple upscaling technique and a more sophisticated footprint modelling analysis, and that these upscaled chamber-based CH4 fluxes using both methods showed good agreement with the EC flux estimates. View this paper