Summary: | Each color-coded month has two or three median locations (e.g., 1–10 Dec, 11–20 Dec, 21–31 Dec). Panels A–C include locations for individuals with two years of data and panels D–I have individuals with a single year of data. Locations and migratory routes on the Greenland Ice Sheet are a result of individuals rapidly transiting around the southern tip of Greenland from west to east resulting in the median location or path crossing the Greenland Ice Sheet. No data for September or March were included due to equinox periods making location identification problematic. Country boundaries from [ 28 ].
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