References

Fetterer, Florence, Kenneth Knowles, Walter N. Meier, Matthew Savoie, and Ann K. Windnagel. 2017. Sea Ice Index, Version 3. Https://nsidc.org/data/g02135; NSIDC: National Snow; Ice Data Center.

Markus, Thorsten, Josefino C. Comiso, and Walter N. Meier. 2018. AMSR-E/AMSR2 Unified L3 Daily 12.5 Km Brightness Temperatures, Sea Ice Concentration, Motion and Snow Depth Polar Grids, Version 1. Https://nsidc.org/data/au_si12/versions/1; NASA National Snow; Ice Data Center Distributed Active Archive Center.

Wethington, Michael, and Heather J. Lynch. 2026. “Winter Sea-Ice Decline Drives Gentoo Penguin Population Expansion Along the Western Antarctic Peninsula.” Marine Ecology Progress Series 787: 1–19. https://doi.org/10.3354/meps15149.