Strong turbulent mixing and nitrate flux in the Kuroshio across the Izu Ridge

Takahiro Tanaka1, Daisuke Hasegawa1, Ichiro Yasuda2, Hideyuki Tsuji3, Shinzou Fujio4, Yasutaka Goto5 and Jun Nishioka6, (1)Tohoku National Fisheries Research Institute, Japan Fisheries Research and Education Agency, Shiogama, Japan, (2)Atmosphere Ocean Research Institute, University of Tokyo, Kashiwa, Japan, (3)Atmosphere and Ocean Research Institute, University of Tokyo, Japan, (4)Atmosphere and Ocean Research Institute University of Tokyo, Tokyo, Japan, (5)University of Tokyo, Bunkyo-ku, Japan, (6)Hokkaido University, Institute of low temperature science, Sapporo, Japan