Table 1 Numbers and proportions of the surface, subsurface and mixed MHW events in the upper 200 m of the global ocean derived from the three reanalysis datasets

From: Frequent marine heatwaves hidden below the surface of the global ocean

Dataset

Climatological mean annual number

Proportion of surface MHW events (%)

Proportion of subsurface MHW events (%)

Proportion of mixed MHW events (%)

GLORYS

308.5

46.9

31.2

21.9

HYCOM

374.4

32.6

42.4

25.0

ECCO2

218.8

52.8

27.7

19.5