“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.
Subject classification
Social Sciences33Environmental Science11Agricultural and Biological Sciences3Law: Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Environmental law1