Sample

Sub-bottom depth (cm)

Water column (m)

Sand (%) > 0.1 mm

Silt (%) > 0.05 mm

Clay (%) > 0.003 mm

Period

Age

(yr)

Coordinate

RS1

0 - 5

6

76.1

19.7

4.2

1997-2014

16.6

5˚871'N

7˚984'E

RS2

5 - 10

6

73.1

21.0

5.9

1980-1997

33.2

RS3

10 - 15

6

68.4

24.5

7.1

1964-1980

49.8

RS4

15 - 20

6

69.4

23.1

7.5

1947-1964

66.4

RS5

20 - 25

6

67.0

24.0

9.0

1930-1947

83.0

RS6

25 - 30

6

67.5

24.0

8.5

1914-1930

99.6

Range

-

76.1 - 67.0

24.0 - 19.7

9.0 - 4.2

Mean

-

69.9 ± 3.1

26.3 ± 1.4

7.0 ± 2.1

RC1

0 - 5

10

72.6

22.2

5.2

1998-2015

17

5˚866'N

7˚981'E

RC2

5 - 10

10

69.4

25.0

5.6

1981-1998

34

RC3

10 - 15

10

64.0

27.0

7.0

1965-1981

51

RC4

15 - 20

10

63.0

28.0

9.0

1948-1965

68

RC5

20 - 25

10

62.5

27.5

10.0

1931-1948

85

RC6

25 - 30

10

62.5

27.0

10.5

1914-1931

102

Range

-

72.6 - 62.5

28.0 - 22.2

10.5 - 5.2

Mean

-

65.7 ± 2.9

23.0 ± 1.7

7.9 ± 2.3