opinion journal; serious magazine
A periodical focused on commentary, analysis, and debate on current affairs, politics, or culture, often with an intellectual or academic tone.
He contributes political commentary to an opinion journal every month.
That serious magazine aims to bridge academia and the policy world.
学術誌 is an academic journal with peer-reviewed research, whereas 論壇誌 is more essayistic and aimed at a broader intellectual audience.
Compound of 論壇 (platform for debate, opinion forum) and 誌 (magazine, journal).