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Island of Moloka‘i


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Chavez, P.S., Jr., Isbrecht, J., Velasco, M.G., and Cochran, S.A., 2016, Digital image mosaics of the nearshore coastal waters of selected areas on the Hawaiian Islands of Hawai‘i, Maui, Moloka‘i, and O‘ahu generated using aerial photographs and airborne lidar bathymetry data: U.S. Geological Survey data release,


The lack of geographic and thematic maps of coral reefs limits our understanding of reefs and our ability to assess change. The U.S. Geological Survey (USGS) has the capability to compile digital image mosaics that are useful for creating detailed map products. Image maps covering the shallow near-shore coastal waters have been produced for several of the main Hawaiian Islands, including Hawai‘i, Maui, Moloka‘i, and O‘ahu and are presented in JPEG2000 (.jp2) format. The digital-image mosaics were generated by first scanning historical aerial photographs. At the time, available satellite image resolutions were not acceptable and the aerial photographs used were the best option. The individually scanned digital images were tone-and [...]


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“1 ft res imagery and area-specific metadata”
805.69 MB application/zip
“1 m res imagery and area-specific metadata”
385.94 MB application/zip
“shaded 1 m res imagery and area-specific metadata”
474.21 MB application/zip

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