Using high spatial resolution hyperspectral imagery to map intertidal habitat structure in Hood Canal, Washington, U.S.A
| Autor: | Rob Robinson, Charles A. Simenstad, Ralph J. Garono, Herb Ripley |
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| Rok vydání: | 2004 |
| Předmět: | |
| Zdroj: | Canadian Journal of Remote Sensing. 30:54-63 |
| ISSN: | 1712-7971 0703-8992 |
| DOI: | 10.5589/m03-052 |
| Popis: | An understanding of the distribution and structure of discontinuous nearshore habitats is critical to effectively manage estuarine resources, especially migratory and mobile nekton that may depend on the integrity of shallow-water environments. We used 19-band compact airborne spectrographic imager (CASI) imagery, collected at 1.5 m spatial resolution, to map two cover classes of eelgrass (Zostera marina) and six other estuarine habitat classes along 64 km of the intertidal shoreline of Hood Canal in the Pacific Northwest, United States. We used control points derived from digital orthoquads (DOQ) and a differential global positioning system (GPS) to geometrically correct CASI flight lines to within 4.3–23.5 m root mean square error (RMSE). After unsupervised and supervised classification, we found good correspondence between classified eelgrass polygons and field training and ground-truthing data. Although this was not the focus of our habitat mapping, the same was true for most of the other habitat clas... |
| Databáze: | OpenAIRE |
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