“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Earth and Planetary Sciences232Social Sciences139Agricultural and Biological Sciences116Arts and Humanities47Geography. Anthropology. Recreation: Anthropology: Physical anthropology. Somatology: Human evolution1Science: Geology: Stratigraphy1