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Tuesday, January 30 • 6:00pm - 9:00pm
Poster Display. Mapping High-Resolution Sonar as a Biological Research Tool

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AUTHORS: Jenny L. Hanson and Jayme M. Stone; U.S. Geological Survey, Upper Midwest Environmental Sciences Center

ABSTRACT: Sonar has been widely used as a remote sensing technology to map benthic and marine environments providing support for natural resource information management. The Upper Midwest Environmental Sciences Center (UMESC) is the first agency in the Midwest to use a wide swath hydrographic mapping system developed for riverine systems. Advancing technology in hydroacoustics allows rapid sonar data acquisition for seeing aquatic structures below the water surface. UMESC’s multibeam sonar has a curved array, allowing you to capture shallow water environments, right up to the shoreline. The high resolution data products are high grade, comply with Digital Hydrographic Data Standards, and are within centimeters accuracy. Sonar data can provide critical information to assist in our understanding of these complex turbid riverine environments, and used as tools to help explain spatial ecological relationships. Innovative mapping methods using GIS to analyze sonar data and model key habitat variables can be developed into tools applicable to emerging issues of concern. Sonar datasets can provide multiple products to resource managers, including high-resolution bathymetry, benthic maps, sonar image mosaics, digital surface models (DSMs), and habitat maps. Other applications of these types of data include aquatic habitat assessments, invasive species distribution, habitat suitability, channel sedimentation and migration, and sediment studies.

Tuesday January 30, 2018 6:00pm - 9:00pm CST
Ballroom C & Foyer

Attendees (5)