Table 1 Details of beach profile and wave observation data for the eight locations shown in Fig. 1. See also Fig. S1 for an example of profile data.

From: An assessment of measured and computed depth of closure around Japan

Location No.

1

2

3

4

5

6

7

8

Location name

Sendai

Soma

Onahama

Kashima

Sakata

Niigata

Tottori

Ainoshima

Longitude [deg]

141.2190

140.9852

140.7731

140.6290

139.8047

138.9640

134.2054

130.8920

Latitude [deg]

38.3971

37.7856

36.8219

36.0501

38.9102

37.8896

35.5417

34.1363

Profile data period [year]

1973–1984 (11 years)

1977–1991 (14 years)

1979–1988 (9 years)

1983–1992 (9 years)

1975–1990 (15 years)

1982–1989 (7 years)

1974–1985 (11 years)

1980–1987 (7 years)

Profile measurement timing

2

3

2

10

15

3

10

6

Number of profile transects

5

2

1

Bathymetry

2

4

Bathymetry (140)

1

Observed DoC [m]

9

10

9

8

> 15

12

14

7

NOWPHAS station code

205

214

206

207

102

110

304

406

NOWPHAS available data period [year]

1979-present

1982- present

1980-present

1972-present

1970-present

1982- present

1979-present

1975-present

He12 [m]

4.99

5.01

5.85

5.97

7.56

5.36

5.79

4.20

Te12 [s]

13.3

11.2

13.8

12.3

10.4

9.2

9.4

10.3

Water depth of NOWPHAS measurement [m]

20.0

16.0

20.0

24.5

20.4

22.7

30.0

20.7

Distance between Study sites and NOWPHAS [km]

21

9

17

20

11

11

7

17