Join online June 25 – a flexible, analyzer-agnostic measurement platform for greenhouse gas fluxes.

The AnaEE-ERIC Tech Up webinar series has invited EOSENSE for this webinar.

Abstract: Trace gas fluxes, including carbon dioxide, methane, and nitrous oxide, are key components of ecosystem greenhouse gas budgets. Accurate and cross comparable measurement of these fluxes at soil and canopy scales has often been constrained by the lack of standardized systems, historically requiring researchers to custom engineer chambers, gas sampling, and data integration components.

Here we introduce an analyzer-flexible flux measurement platform that centralizes system control and data standardization within a multiplexer (FluxLink). The system supports direct integration of both small chambers (eosAC-T/O) for soil flux measurements and large chambers (eosAC-LT/LO) for canopy-scale studies, alongside a wide range of gas analyzers. By coordinating scheduling, measurement control, and data harmonization at the multiplexer level, the platform allows researchers to match analyzers to project-specific needs while maintaining similar workflows, thereby improving measurement standardization and cross comparability.

We present the system architecture, highlight integration and data processing workflows, and share field deployment examples that illustrate real-world performance. We also discuss ongoing work to expand reliable analyzer compatibility, including an analyzer calibration routine developed for the Gasmet FTIR, and present performance comparisons between select analyzers using known, generated fluxes under controlled conditions.

Finally, we offer a look ahead at upcoming analyzer integrations and emerging directions in chamber-based flux measurement, with the goal of further reducing uncertainty and broadening the range of research questions supported by commercially available systems.