Fig. 5: The potential importance of snow across the Peruvian Andes.
From: Thin and ephemeral snow shapes melt and runoff dynamics in the Peruvian Andes
a Areas of snow cover (light blue for 10–50%, dark blue diagonal hatch for 50–90%) as determined from the relationship shown in b) applied to the wet season air temperatures from ERA5-Land69 reanalysis (see SI Section 1.6 for methods). We also show the wet season percentage snow cover directly from ERA5-Land reanalysis for comparison (light blue with dots, values are all <50%). Black solid outlines are the HydroSHEDS68 level 7 catchments which intersect the snow-covered areas, with the bold dashed line the upper Rio Santa catchment. The elevation data (red to grey) originates from ref. 68. b The relationship (red line) of modelled wet season air temperature to modelled wet season percentage snow cover, red dots show points used in the relationship (where snow cover was between 10 and 90%), with the blue dots showing points which were not used. c Catchment hypsometries, with the HydroSHEDS catchments shown in (a) as light blue lines, with the mean in blue dashes, and the modelled upper Rio Santa catchment in black dashes.
