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Hydrography

Hydrography. Deals with the measurement and description of the features of the seas and coastal areas for the primary purpose of navigation. Hydrographers use many high tech tools. GPS Satellites. Kinematic GPS. Reference Points On land. Survey Vessel. Acoustic Ranging.

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Hydrography

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  1. Hydrography Deals with the measurement and description of the features of the seas and coastal areas for the primary purpose of navigation

  2. Hydrographers use many high tech tools GPS Satellites Kinematic GPS Reference Points On land Survey Vessel Acoustic Ranging Seafloor Reference Point Trench Plate Boundary Slide credit: Masayuki FUJITA, Japan Coast Guard

  3. Multibeam Sonar Depth Point Intersection of the transmit beam and one of the receive beams Transmit Beam 1° - 5° fore-aft 90° - 170° athwart Receive Beams 20 - 1440 “beams” 20° fore-aft, 1° - 5° athwart Slide credit: Dave Wells

  4. Rendered by Sirius Solutions, Dartmouth NS To obtain dramatic results such as a view of the Empress of Ireland Pockmark found in English Bay Slide credit: Dave Wells

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