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Filters: Tags: Photography (X) > Date Range: {"choice":"year"} (X) > Types: OGC WMS Service (X)

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We characterized seafloor sediment conditions near the mouth of the Elwha River from underwater photographs taken every four hours from September 2011 to December 2013. A digital camera was affixed to a tripod that was deployed in approximately 10 meters of water (Tripod location from September 2011 to April 2013: 48.15333, -123.55931; tripod location from April 2013 to December 2013: 48.15407, -123.55444). Each photograph was qualitatively characterized as one of six categories: (1) base, or no sediment; (2) low sediment; (3) medium sediment; (4) high sediment; (5) turbid; or (6) kelp. For base conditions, no sediment was present on the seafloor. Low sediment conditions were characterized by a light dusting of...
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This sections scanned by the Kentucky Geological Survey and served via a KGS web application. Thin sections images displayed with plane-polarized light and cross-polarized light in the online thin section slider viewer. Each thin section assigned an International Generic Sample Number (ISGN).


    map background search result map search result map Characterization of seafloor photographs near the mouth of the Elwha River during the first two years of dam removal (2011-2013) Collection of Thin Section Images Characterization of seafloor photographs near the mouth of the Elwha River during the first two years of dam removal (2011-2013) Collection of Thin Section Images