“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.
Environmental Science18Earth and Planetary Sciences7Decision Sciences3Agriculture1Geography. Anthropology. Recreation: Human ecology. Anthropogeography1Social Sciences: Industries. Land use. Labor: Management. Industrial management: Management of special enterprises1