See FLUX_TOWER data on OSU OREME data portal
Flux tower data from the Larzac observatory hosted by the Montpellier Research Observatory of Environment (OSU OREME, http://www.oreme.org) and the National hydrogeological sites network (SNO H+, http://hplus.ore.fr/). Data are measured on La Jasse site (L'HOSPITALET-DU-LARZAC, AVEYRON, France).
Flux tower data from the Larzac observatory
Observatoire de Recherche Montpelliérain de l'Environnement