Figure 4. Vertically integrated (areal) inventories of ¹³⁴Cs (kBq m⁻², right ordinate) in the western North Pacific.

Green and red histograms indicate inventories at the 15 stations along approximately 149°E in the winter of 2012 and at 6 stations along 147°E from 34°N to 38°N in June 2011¹⁷, respectively. Error bars on the tops of histograms indicate uncertainties (standard deviations). The ¹³⁴Cs activities (Bq m⁻³, left ordinate) in surface seawater in the winter of 2012 (green circles) and June 2011¹⁷ (red squares) are also shown. The activities and inventories have been corrected to 11 March 2011. The map in this figure were drawn using Ocean Data View⁵⁴.