The Coral Atoll Islands of the Chagos Archipelago
Dunne, R.P., Barbosa, S.M. and Woodworth, P.L. 2012. Contemporary sea level in the Chagos Archipelago, central Indian Ocean. Global and Planetary Change 82-83: 25-37.
In an effort dedicated to resolving these problems, Dunne et al. examined what they describe as "the up-to-date evidence of recent sea-level change in the Chagos Archipelago from tide gauge, satellite altimeter records, and ocean models." In doing so the three researchers report that "there is no evidence of any statistically significant sea-level rise either from the Diego Garcia tide gauge (1988-2000 and 2003-2011) or in the satellite altimetry record (1993-2011)." In addition, they say "there is no evidence of subsidence in the islands," adding that on Diego Garcia there was actually crustal uplift of 0.63 ± 0.28 mm/year between 1996 and 2009, as recorded by GPS. And they add that "there is no evidence of changes in the wind or wave environment in the past 20 years." "Collectively," therefore, in the words of Dunne et al., "these results suggest that this has been a relatively stable physical environment, and that these low-lying coral islands should continue to be able to support human habitation, as they have done for much of the last 200 years."
Ragoonaden, S. 2006. Sea level activities and changes on the islands of the western Indian Ocean. Journal of Marine Science 5: 179-194.
Sheppard, C.R.C. and Spalding, M. 2003. Chagos Conservation Management Plan. British Indian Ocean Territory Administration. Foreign & Commonwealth Office, London, United Kingdom.