A manuscript I’ve been working on for a good chunk of time now, entitled “Ecosystem fluxes of hydrogen: a comparison of flux-gradient methods,” was just published to Atmospheric Measurement Techniques Discussions (view paper online). Our goal was to present a detailed experimental approach for measuring ecosystem fluxes of H2 and to test different so-called “flux-gradient methods” for calculating the H2 fluxes. Some common trace gas flux methods, e.g. eddy covariance, are not available for species like H2 that cannot be measured precisely at high frequencies (<1Hz). We hope this paper will help inform the design of future studies for which flux-gradient methods might be the best option for measuring trace gas fluxes.
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