Fig. 2: WorldView 2 satellite image of the Robert Island ice cap and study area.
From: Surface darkening by abundant and diverse algae on an Antarctic ice cap
a Sampling locations on the Robert Island ice cap for algae cell counts (pink circles), field-spectra and paired cell density samples (green squares), community metabarcode samples (yellow diamonds), and location of the drone photograph in Fig. 1b. (orange circle). b Remote sensed algal extent on the Robert Island ice cap based on the WorldView satellite image from 6 February 2023 (pink pixel size 1.6 × 1.6 m). Contours are 10 m apart.
