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Drought risk assessment under climate change is sensitive to methodological choices for the estimation of evaporative demand

Fig 2

Historical mean E0 across the different E0 formulations.

Climatological mean E0 (mm) across the CONUS for the MJJAS period in GFDL-ESM2M (first three plots in left column) and CanESM2 (right column) as estimated by the Penman-Monteith (first row), Hargreaves-Samani (second row), and Priestley-Taylor (third row) formulations for the 1976–2005 period. The bottom left plot shows observed mean MJJAS pan evaporation across the CONUS from 228 stations which had at least 20 years of data between 1950 and 2001.

Fig 2