Filters: Tags: NWCSC (X) > Types: ArcGIS REST Map Service (X)

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Bathymetry Digital Elevation Models for Eight Study Areas in Coastal Oregon and Washington, 2012 The research was conducted at nine tidal marshes in coastal estuaries spanning the Washington and Oregon coastlines from Padilla Bay in northern Washington to Bandon located at the mouth of the Coquille River in southern Oregon. We performed bathymetric surveys using a shallow-water echo-sounding system comprised of an acoustic profiler, Leica Viva RTK GPS, and laptop computer mounted on a shallow-draft, portable flat-bottom boat. The RTK GPS enabled high resolution elevations of the water surface. The rover positions were received from the Leica Smartnet system (www.lecia-geosystems.com) or base station and referenced to the same bench mark used in the elevation surveys. We mounted a variable frequency transducer... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Bandon, Bandon marsh, Bull Island, Coos Bay, Grays Harbor, All tags... NWCSC, Nisqually, Northwest CASC, Oregon, Pacific Northwest, Padilla, Port Susan, Sea-Level Rise and Coasts, Siletz, Skokomish, Washington, Water, Coasts and Ice, Wetlands, Willapa, elevation surveys, salt marsh, Fewer tags