Summary
Rewetting peatlands is required to limit carbon dioxide (CO<sub>2</sub>) emissions, however, raising the groundwater level (GWL) will strongly increase the chance of methane (CH<sub>4</sub>) emissions which has a higher radiative forcing than CO<sub>2</sub>. Data sets of CH<sub>4</sub> from different rewetting strategies and natural systems are scarce, and quantification and an understanding of the main drivers of CH<sub>4</sub> emissions are needed to make effective peatland rewetting decisions. We present a large data set of CH<sub>4</sub> fluxes (FCH<sub>4</sub>) measured across 16 sites with eddy covariance on Dutch peatlands. Sites were classified into six land uses, which also determined their vegetation and GWL range. We investigated the principal drivers of emissions and gapfilled
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