“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.
Social Sciences36Business, Management and Accounting35Earth and Planetary Sciences10Social Sciences: Industries. Land use. Labor: Special industries and trades: Construction industry1Technology: Environmental technology. Sanitary engineering1