Table 1 Rates of change in coastal Louisiana wetlands.

From: Vulnerability of Louisiana’s coastal wetlands to present-day rates of relative sea-level rise

Overall SEC rate (mm per year; n =274)

Mississippi Delta SEC rate (mm per year; n =185)

Chenier Plain SEC rate (mm per year; n =89)

Mean

3.8

Mean

5.7

Mean

−0.2

Median

4.1

Median

5.8

Median

−0.5

s.d.

7.4

s.d.

7.2

s.d.

6.3

Minimum

−41

Minimum

−41

Minimum

−17.3

Maximum

46

Maximum

46

Maximum

22.5

Overall VA rate (mm per year; n =274)

Mississippi Delta VA rate (mm per year; n =185)

Chenier Plain VA rate (mm per year; n =89)

Mean

10.7

Mean

12.8

Mean

6.3

Median

9.5

Median

11.3

Median

5.9

s.d.

7.8

s.d.

8.4

s.d.

3.7

Minimum

0.2

Minimum

1.6

Minimum

0.2

Maximum

83.7

Maximum

83.7

Maximum

20.6

Overall SS rate (mm per year; n =274)

Mississippi Delta SS rate (mm per year; n =185)

Chenier Plain SS rate (mm per year; n =89)

Mean

6.8

Mean

7.1

Mean

6.5

Median

6

Median

6

Median

5.8

s.d.

7.9

s.d.

8.7

s.d.

6.3

Minimum

−39.4

Minimum

−39.4

Minimum

−11.2

Maximum

60.7

Maximum

60.7

Maximum

22.9

Overall TS rate (mm per year; n =274)

Mississippi Delta TS rate (mm per year; n =185)

Chenier Plain TS rate (mm per year; n =89)

Mean

10

Mean

11.2

Mean

7.5

Median

8.7

Median

10

Median

6.8

s.d.

8.3

s.d.

8.8

s.d.

6.3

Minimum

−35

Minimum

−35

Minimum

−10.2

Maximum

65.8

Maximum

65.8

Maximum

23.9

Overall RSLR rate (mm per year; n =274)

Mississippi Delta RSLR rate (mm per year; n =185)

Chenier Plain RSLR rate (mm per year; n =89)

Mean

12

Mean

13.2

Mean

9.5

Median

10.7

Median

12

Median

8.8

s.d.

8.3

s.d.

8.8

s.d.

6.3

Minimum

−33

Minimum

−33

Minimum

−8.2

Maximum

67.8

Maximum

67.8

Maximum

25.9