Table 3 Ensemble mean trends (cm per year) and percent area experiencing robust signals of Hs change for the JJA season.

From: Global ocean wave fields show consistent regional trends between 1980 and 2014 in a multi-product ensemble

Region

\({H}_{{\rm {s}}}^{50}\) JJA

\({H}_{{\rm {s}}}^{90}\) JJA

 

Positive trend (cm/yr)

Negative trend (cm/yr)

Positive trend (cm/yr)

Negative trend (cm/yr)

 

% area

Mean

% area

Mean

% area

Mean

% area

Mean

NP

4

0.19 ± 0.09

30

−0.43 ± 0.16

12

0.47 ± 0.15

44

−0.72 ± 0.31

NA

41

0.32 ± 0.12

5

−0.24 ± 0.11

31

0.46 ± 0.19

12

−0.41 ± 0.17

TP

74

0.48 ± 0.22

2

−0.32 ± 0.12

67

0.68 ± 0.33

2

−0.54 ± 0.17

TA

61

0.46 ± 0.20

3

−0.31 ± 0.13

58

0.65 ± 0.30

4

−0.40 ± 0.17

TI

11

0.29 ± 0.10

6

−0.32 ± 0.14

12

0.53 ± 0.19

11

−0.36 ± 0.14

SP

45

0.80 ± 0.31

1

−0.80 ± 0.34

41

1.14 ± 0.46

0

−0.88 ± 0.46

SA

32

0.72 ± 0.29

3

−0.57 ± 0.22

29

1.04 ± 0.44

2

−0.73 ± 0.22

SI

9

0.63 ± 0.29

9

−0.53 ± 0.14

12

0.99 ± 0.35

7

−0.72 ± 0.18

Globe

37

0.53 ± 0.27

5

−0.43 ± 0.20

34

0.75 ± 0.40

7

−0.60 ± 0.29

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