iRobot 1KA Seaglider04/03/2010 |
| The iRobot 1KA Seaglider is a long-range, high endurance autonomous underwater vehicle suited for long duration data gathering missions of up to 10 months at sea that cover thousands of nautical miles. Oceanographic instrumentation and the global iridium satellite constellation can precisely measure and report a multitude of data, including temperature and conductivity as a function of depth, dissolved oxygen concentrations, ocean current variation, backscatter and multiple trophic level biomass. |
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Read more about: Current glider Website: http://www.irobot.com/seaglider Supplier: iRobot Maritime Systems More news from this supplier: New Seaglider Profile for Added Capacity Enhanced Seaglider iRobot Sixteenth on Forbes' List of "Best Small Companies" US Navy Seaglider Contracts Endurance Record for Autonomous Underwater Vehicle ROV Survey of the Costa Concordia Grounding Site (video) 44 PMGS Transponders for Earthquake and Tsunami Research Underwater Vision to Fugro Subsea Services Award for Brazilian Hydrographic Paper Demonstrating a 'Deeper Understanding' First Real-Time Seafloor Earthquake Observatory Theme of Hydrography Day 2012: International Cooperation Finistère and Mediterranean Bathymetric Lidar Surveys Precise Positioning For BP Vessels DP Inertial Navigation System for Drillship Comments (0): |
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Hydrographic Survey of Riverbed Erosion |
Members of the US Geological Survey were filmed while out on the Missouri River at Williston, North Dakota, USA, performing a hydrographic survey to monitor the state of riverbed erosion. They were using a multibeam echo sounder which transmits sound energy and analyses the return signal (echo) that has bounced off the riverbed or other objects. Multibeam sonars emit sound waves from directly beneath a ship's hull to produce fan-shaped coverage of the riverbed.
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| Hydrographic Survey of Riverbed Erosion |
| Introduction to GEBCO |
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These measurements enable the development of sound velocity profiles that are critical for characterizing acoustic propagation models and monitoring oceans in great detail.