Period (Years) | Accretion (Km2) | Erosion (Km2) | Additional formations (Km2) | Net Loss/Gain (Km2) | Rate of change (Km2/yr) |
1973-1983 | 9.39 | 10.51 | 0.011 | −1.12 | 0.11 |
1983-1987 | 3.46 | 4.93 | 0.084 | −1.47 | 0.37 |
1987-1990 | 4.43 | 4.13 | 0.014 | +0.30 | 0.10 |
1990-1998 | 3.58 | 5.92 | 0.152 | −2.34 | 0.29 |
1998-2000 | 4.80 | 4.17 | 0.121 | +0.63 | 0.32 |
2000-2003 | 4.92 | 4.27 | 0.051 | +0.65 | 0.22 |
Total of 30yrs | 30.58 | 33.93 | 0.433 | −3.35 | 0.12 |