Quantifying the impact of emission outbursts and non-stationary flow on eddy-covariance CH4 flux measurements using wavelet techniques
M Göckede, F Kittler, C Schaller - Biogeosciences, 2019 - bg.copernicus.org
Methane flux measurements by the eddy-covariance technique are subject to large
uncertainties, particularly linked to the partly highly intermittent nature of methane emissions …
uncertainties, particularly linked to the partly highly intermittent nature of methane emissions …
Gap‐filling approaches for eddy covariance methane fluxes: A comparison of three machine learning algorithms and a traditional method with principal component …
Methane flux (FCH4) measurements using the eddy covariance technique have increased
over the past decade. FCH4 measurements commonly include data gaps, as is the case with …
over the past decade. FCH4 measurements commonly include data gaps, as is the case with …
Eddy covariance flux measurements confirm extreme CH4 emissions from a Swiss hydropower reservoir and resolve their short-term variability
W Eugster, T DelSontro, S Sobek - Biogeosciences, 2011 - bg.copernicus.org
Greenhouse gas budgets quantified via land-surface eddy covariance (EC) flux sites differ
significantly from those obtained via inverse modeling. A possible reason for the …
significantly from those obtained via inverse modeling. A possible reason for the …
Modification of a Wavelet-Based Method for Detecting Ebullitive Methane Fluxes in Eddy-Covariance Observations: Application at Two Rice Fields
Ebullition, the release of gas bubbles, is an important pathway of methane emission in many
ecosystems, yet its high spatio–temporal variability makes it challenging to quantify. In this …
ecosystems, yet its high spatio–temporal variability makes it challenging to quantify. In this …
Advances in the Eddy Covariance Approach to CH4 Monitoring Over Two and a Half Decades
TH Morin - Journal of Geophysical Research: Biogeosciences, 2019 - Wiley Online Library
Receding permafrost may expose the largest store of sequestered carbon to microbes ready
to convert it to greenhouse gases. The fluxes of biogenic gases associated with boreal …
to convert it to greenhouse gases. The fluxes of biogenic gases associated with boreal …
Evaluation of density corrections to methane fluxes measured by open-path eddy covariance over contrasting landscapes
SD Chamberlain, J Verfaillie, E Eichelmann… - Boundary-Layer …, 2017 - Springer
Corrections accounting for air density fluctuations due to heat and water vapour fluxes must
be applied to the measurement of eddy-covariance fluxes when using open-path sensors …
be applied to the measurement of eddy-covariance fluxes when using open-path sensors …
Field intercomparison of four methane gas analyzers suitable for eddy covariance flux measurements
Performances of four methane gas analyzers suitable for eddy covariance measurements
are assessed. The assessment and comparison was performed by analyzing eddy …
are assessed. The assessment and comparison was performed by analyzing eddy …
Error characterization of methane fluxes and budgets derived from a long-term comparison of open-and closed-path eddy covariance systems
Wetlands represent the dominant natural source of methane (CH 4) to the atmosphere.
Thus, substantial effort has been spent examining the CH 4 budgets of global wetlands via …
Thus, substantial effort has been spent examining the CH 4 budgets of global wetlands via …
Evaluation of a plot-scale methane emission model using eddy covariance observations and footprint modelling
A Budishchev, Y Mi, J Van Huissteden… - …, 2014 - bg.copernicus.org
Most plot-scale methane emission models–of which many have been developed in the
recent past–are validated using data collected with the closed-chamber technique. This …
recent past–are validated using data collected with the closed-chamber technique. This …
Characterisation of short-term extreme methane fluxes related to non-turbulent mixing above an Arctic permafrost ecosystem
C Schaller, F Kittler, T Foken… - … Chemistry and Physics, 2019 - acp.copernicus.org
Methane (CH 4) emissions from biogenic sources, such as Arctic permafrost wetlands, are
associated with large uncertainties because of the high variability of fluxes in both space …
associated with large uncertainties because of the high variability of fluxes in both space …