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Atoll rim expansion or erosion in Diego Garcia Atoll, Indian Ocean? : comment on Hamylton, S., East, H. A geospatial appraisal of ecological and geomorphic change on Diego Garcia Atoll, Chagos Islands (British Indian Ocean Territory). Remote Sens. 2012, 4, 3444–3461
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Sheppard, Charles (Charles R. C.) (2014) Atoll rim expansion or erosion in Diego Garcia Atoll, Indian Ocean? : comment on Hamylton, S., East, H. A geospatial appraisal of ecological and geomorphic change on Diego Garcia Atoll, Chagos Islands (British Indian Ocean Territory). Remote Sens. 2012, 4, 3444–3461. Remote Sensing, Volume 6 (Number 3). pp. 2463-2467. doi:10.3390/rs6032463
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Official URL: http://dx.doi.org/10.3390/rs6032463
Abstract
Hamylton and East [1] reported a remarkably substantial expansion and accretion of land since the 1960s at numerous sites along the island of Diego Garcia atoll. This atoll has a near continuous rim encircling its lagoon, and they reported that the width of the island rim has expanded by several tens of metres in many places. Those results contrast markedly with my own near-annual observations on the ground where erosion and increased seawater inundation, rather than land accretion, is evident in many places. Hamylton and East have never visited the atoll but their results have been picked up for various reasons. Therefore I note possible reasons for the substantial discrepancy between their measurements and my own observations, and propose a resolution.
| Item Type: | Journal Item | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | G Geography. Anthropology. Recreation > GB Physical geography | ||||||||
| Divisions: | Faculty of Science > Life Sciences (2010- ) | ||||||||
| Library of Congress Subject Headings (LCSH): | Diego Garcia Atoll (Indian Ocean), Coast changes -- Indian Ocean, Erosion -- Indian Ocean | ||||||||
| Journal or Publication Title: | Remote Sensing | ||||||||
| Publisher: | M D P I AG | ||||||||
| ISSN: | 2072-4292 | ||||||||
| Official Date: | 19 March 2014 | ||||||||
| Dates: |
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| Volume: | Volume 6 | ||||||||
| Number: | Number 3 | ||||||||
| Page Range: | pp. 2463-2467 | ||||||||
| DOI: | 10.3390/rs6032463 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access |
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