Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
doi:10.5194/gmd-2017-58
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Methods for assessment of models
27 Mar 2017
Review status
This discussion paper is under review for the journal Geoscientific Model Development (GMD).
FluxnetLSM R package (v1.0): A community tool for processing FLUXNET data for use in land surface modelling
Anna M. Ukkola1, Ned Haughton1, Martin G. De Kauwe2, Gab Abramowitz1,3, and Andy J. Pitman1,3 1ARC Centre of Excellence for Climate System Science, University of New South Wales, Sydney, NSW 2052, Australia
2Macquarie University, Sydney, NSW 2109, Australia
3Climate Change Research Centre, University of New South Wales, Sydney, NSW 2052, Australia
Abstract. Flux towers measure ecosystem-scale surface-atmosphere exchanges of energy, carbon dioxide and water vapour. The network of flux towers now encompasses ~ 900 sites, spread across every continent. Consequently, these data have become an essential benchmarking tool for land surface models (LSMs). However, these data as released are not immediately usable for driving, evaluating and benchmarking LSMs. Flux tower data must first be transformed into a LSM-readable file format, a process which involves changing units, screening missing data and varying degrees of additional gap- filling. All of this often leads to an under-utilisation of these data in model benchmarking. To resolve some of these issues, and to help make flux tower measurements more widely used, we present a reproducible, open-source R package that transforms the latest FLUXNET2015 release into community standard NetCDF files that are directly usable by LSMs.

Citation: Ukkola, A. M., Haughton, N., De Kauwe, M. G., Abramowitz, G., and Pitman, A. J.: FluxnetLSM R package (v1.0): A community tool for processing FLUXNET data for use in land surface modelling, Geosci. Model Dev. Discuss., doi:10.5194/gmd-2017-58, in review, 2017.
Anna M. Ukkola et al.
Anna M. Ukkola et al.
Anna M. Ukkola et al.

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Short summary
Flux towers measure energy, carbon dioxide and water vapour fluxes. These data have become essential for evaluating land surface models (LSMs) – key tools for projecting future climate change. However, these data as released are not immediately usable with LSMs and must be post-processed to change units, screen for missing data and gap-filling. We present an open-source R package that transforms flux tower measurements into a format directly usable by LSMs.
Flux towers measure energy, carbon dioxide and water vapour fluxes. These data have become...
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