| Regular Section | | | | |
| Original Article | Tetsuichi Fujiki, Shigeki Hosoda, Naomi Harada | Phytoplankton blooms in summer and autumn in the northwestern subarctic Pacific detected by mooring and float systems | 63-72 | doi.org/10.1007/s10872-021-00628-z |
| Original Article | Tianran Liu, Naoki Hirose | Comparison of surface and lateral boundary conditions controlled by pseudo-altimeter data assimilation for a regional Kuroshio model | 73-88 | doi.org/10.1007/s10872-021-00629-y |
| Original Article | Yusuke Hamao, Kohei Matsuno, Yoko Mitani, Atsushi Yamaguchi | Spatial distribution of the protist community in the southern part of the Okhotsk Sea off Hokkaido during summer | 89-101 | doi.org/10.1007/s10872-021-00630-5 |
| Original Article | Tomomi Yasui, Hiroto Abe, Toru Hirawake, Ken’ichi Sasaki, Masahide Wakita | Seasonal pathways of the Tsugaru Warm Current revealed by high-frequency ocean radars | 103-119 | doi.org/10.1007/s10872-022-00631-y |
| Original Article | Diana Lorons, Madihah Jafar Sidik, Nurzaliah Ali, Firas Mohamad-Azaini, Kenneth Francis Rodrigues, Grace Joy Wei Lie Chin | The variation of environmental profiles during harmful algal bloom in Sepanggar Bay, Sabah, Malaysia | 121-132 | doi.org/10.1007/s10872-022-00634-9 |
| Correction | Goro Yamanaka, Hideyuki Nakano, Kei Sakamoto, Takahiro Toyoda, L. Shogo Urakawa, Shiro Nishikawa, Tsuyoshi Wakamatsu, Hiroyuki Tsujino, Yoichi Ishikawa | Correction to: Projected climate change in the western North Pacific at the end of the 21st century from ensemble simulations with a high-resolution regional ocean model | 133-134 | doi.org/10.1007/s10872-022-00635-8 |
