Fig. 2

Comparison of monthly ET from FLUXNET2015 (1992–2014) and mean annual ET from CLASS (2003–2009) with ET estimations from three datasets. (a,d) HG-Land; (b,e) FLUXCOM; and (c,f) GLEAM. To ensure a fair comparison, the site-scale comparison was conducted using a sample size of 10,475, after excluding missing values in the GLEAM dataset.