Table 6 Ensemble mean trends (days per year·year) and percent area experiencing robust signals of change in number of rough wave days (τRO) and high wave days (τHI).

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

Regions

τRO

τHI

 

Pos. trend (days/yr·yr)

Neg. trend (days/yr·yr)

Pos. trend (days/yr·yr)

Neg. trend (days/yr·yr)

% area

Mean

% area

Mean

% area

Mean

% area

Mean

NP

11

0.41 ± 0.22

20

−0.45 ± 0.12

9

0.12 ± 0.06

12

−0.30 ± 0.12

NA

31

0.39 ± 0.12

4

−0.32 ± 0.15

2

0.08 ± 0.04

5

−0.23 ± 0.12

TP

48

0.85 ± 0.42

2

−0.58 ± 0.12

0

0.03 ± 0.01

1

−0.07 ± 0.05

TA

45

0.75 ± 0.38

1

−0.57 ± 0.14

0

0.03 ± 0.01

0

−0.07 ± 0.05

TI

45

0.62 ± 0.21

0

−0.06 ± 0.03

0

NA

0

−0.05 ± 0.01

SP

41

0.48 ± 0.22

2

−0.68 ± 0.55

37

0.38 ± 0.29

1

−0.43 ± 0.17

SA

35

0.47 ± 0.24

1

−0.58 ± 0.48

25

0.36 ± 0.25

1

−0.31 ± 0.21

SI

29

0.35 ± 0.23

1

−0.41 ± 0.25

20

0.36 ± 0.13

1

−0.14 ± 0.06

Globe

32

0.60 ± 0.35

2

−0.46 ± 0.26

10

0.34 ± 0.25

2

−0.25 ± 0.16

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