The western sector, Kuroshio, mainly involves the subtropical gyre (STG) and the subtropical cell (STC), and the eastern sector mainly involves the anticyclonic gyre to the southeast of Japan which quickly recirculates.

• 西段(即黑潮)主要参与副热带环流(STG)和经向环流(STC); 东段主要参与日本东南的反气旋式涡旋再回流。