Table 1 Future changes in compound marine heatwave (MHW) amplification effect

From: Intensification of future subsurface marine heatwaves in an eddy-resolving model

 

50 m

100 m

200 m

500 m

1000 m

Future threshold

Non-compound events (C1; %)

2.5

5

8

10

8

Compound events (C2; %)

30

109

328

384

321

Magnification (C2/C1)

12

23

40

40

38

  1. The MHW change rate is defined as the ratio between the changes in the number of MHW days (future minus historical period) and the historical MHW days1. By comparing the compound MHW change rate (C1) with the non-compound MHW change rate (C2), the amplification effect of compound MHWs is defined as (C1/C2).
  2. 1\({{\rm{MHW}}}\; {{\rm{change}}}\; {{\rm{rate}}}=\frac{{{{\rm{MHW}}}{\_}{{\rm{Days}}}}_{{{\rm{Future}}}}-{{{\rm{MHW}}}{\_}{{\rm{Days}}}}_{{{\rm{Historical}}}}}{{MHW\_}{{{\rm{D}}}{{\rm{ays}}}}_{{{\rm{H}}}{{\rm{istorical}}}}}\)
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