Coral reef habitat maps derived from a high-spatial-resolution multi-spectral satellite image using object based image analysis
- Roelfsema, Christiaan M
- Phinn, Stuart R
- Jupiter, Stacy D
- Comley, James
- Albert, Simon
DOIAbstract
Coral reef maps at various spatial scales and extents are needed for mapping, monitoring, modelling, and management of these environments. High spatial resolution satellite imagery, pixel <10 m, integrated with field survey data and processed with various mapping approaches, can provide these maps. These approaches have been accurately applied to single reefs (10-100 km**2), covering one high spatial resolution scene from which a single thematic layer (e.g. benthic community) is mapped. This article demonstrates how a hierarchical mapping approach can be applied to coral reefs from individual reef to reef-system scales (10-1000 km**2) using object-based image classification of high spatial resolution images guided by ecological and geomorph...
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