Interannual variation of ocean heat content in the Japan Sea revealed by a long-term ocean reanalysis

Nariaki Hirose1, Norihisa Usui2, Takahiro Toyoda2, Yosuke Fujii2 and Hiroyuki Tsujino2, (1)Meteorological Research Institute, Ibaraki, Japan, (2)Meteorological Research Institute, Tsukuba, Ibaraki, Japan