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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Pacific Coastal and Marine Science Center U.S. Geological Survey Eric Grossman Joshua Logan U.S. Geological Survey - ScienceBase More... Tag Types Theme (1) Place (1) Tag Schemes None (1) Geographic Names Information System (GNIS) (1) USGS Thesaurus (1) Marine Realms Information Bank (MRIB) keywords (1) ISO 19115 Topic Category (1) Data Categories for Marine Planning (1) View Results as: JSON ATOM CSV

Ground control point locations for UAS survey of the intertidal zone at Post Point, Bellingham Bay, WA, 2019-06-06 This portion of the data release presents the locations of the temporary ground control points (GCPs) used for the structure-from-motion (SfM) processing of the imagery collected during an unmanned aerial system (UAS) survey of the intertidal zone at Post Point, Bellingham Bay, WA on 2019-06-06. Nineteen temporary ground control points (GCPs) were distributed throughout each survey area to establish survey control. The GCPs consisted of a combination of small square tarps with black-and-white cross patterns and "X" marks placed on the ground using temporary chalk. The GCP positions were measured using post-processed kinematic (PPK) GPS, using corrections from a GPS base station located approximately 5 kilometers... Categories: Data; Tags: Bathymetry and Elevation, Bellingham, Bellingham Bay, CHMRP, Coastal and Marine Hazards and Resources Program, All tags... Fairhaven, PCMSC, Pacific Coastal and Marine Science Center, Post Point, Puget Sound, Salish Sea, SfM, South Bellingham, State of Washington, Structure-from-motion, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, Whatcom County, aerial and satellite photography, aerial photography, altimetry, coastal processes, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, topographic maps, topography, Fewer tags