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Environment
and development in coastal regions and in small islands |
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Environment
and development in coastal regions and in small islands |
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CSI info 15
Appendix
II
Beach Monitoring Data for a Sample Site (Morris Bay, Antigua)
1. Data
Table
| Date | Profile Area (m2) |
Profile Width (m) |
| 02.03.94 04.27.94 08.18.94 11.18.94 |
34.332 34.683 31.210 27.715 |
20.478 20.397 18.538 18.596 |
| Mean 1994 | 31.985 | 19.502 |
| 02.02.95 05.05.95 07.11.95 09.27.95 |
32.778 30.221 33.205 8.862 |
20.190 19.060 19.760 10.644 |
| Mean 1995 | 26.266 | 17.414 |
| 02.07.96 05.09.96 12.18.96 |
9.826 13.336 10.815 |
11.825 13.175 13.180 |
| Mean 1996 | 10.992 | 12.726 |
| 02.19.97 07.22.97 10.28.97 |
12.600 12.470 12.292 |
13.389 16.504 12.586 |
| Mean 1997 | 13.787 | 14.160 |
| 01.28.98 05.13.98 07.25.98 09.30.98 |
11.738 10.582 11.612 11.229 |
14.291 13.407 13.617 13.391 |
| Mean 1998 | 11.293 | 13.676 |
| 01.27.99 05.04.99 07.28.99 11.04.99 11.23.99 |
15.025 19.803 19.784 10.170 6.043 |
17.691 17.043 17.716 13.431 9.207 |
| Mean 1999 | 14.165 | 15.014 |
| 02.03.00 | 10.695 | 13.202 |
2. Composite graph showing beach profiles measured between 1994 and 1999
The graph shows different beach profiles at Morris Bay measured between 1994
and 1999. In 1994 the beach had a
width of 18 m. After Hurricane
Luis, in September 1995, the beach was lowered in height by about 1 m and
narrowed to 10 m in width. The
beach did not recover to pre-hurricane levels.
3. Line graph showing the trends in profile area and profile width over time
This graph shows how the beach at Morris Bay has varied over time. The line with diamond markers represents profile cross-sectional area and the line with square markers shows the width of the beach profile. As a result of Hurricane Luis in September 1995, profile area decreased from 33 m2 to 9 m2, and profile width decreased from 20 m to 10 m. Again, the graph shows clearly that while there was some recovery in the years following Hurricane Luis, the beach did not return to its pre-hurricane levels.
