From the national Societies: Hydrographic Society Denmark01/01/2007 |
| Hydrographic Societies |
| New Input Take up the challenge, use the opportunity and send your member input on any subject to us by email: mail@hydrosoc.dk Local News Corporate members It is now free to get your logo on our Website. Please contact HSD. All members Admission fee to HSD unchanged for 2006. Online at HSD home page. Only DKK 200 per year for individual members. Update our mailing list. Have you been updating your mail address recently Submit a mail to: mail@hydrosoc.dk with your home address and your e-mail address. Workshops Coming workshops To be announced on our home page or directly by mail. Contact Hydrographic Society Denmark Att.: Henning Pedersen Jegstrupvej 54 DK 8361 Hasselager-Aarhus Denmark Tel: +45 - 8734 3624 Fax: +45 - 8628 8266 Mail: hpe@reson.dk HSD Email: mail@hydrosoc.dk |
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| Archive |
| Archive > January 2007, Volume 11, number 1 > From the national Societies: Hydrographic Society Denmark |
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Interactive |
Hydrographic Survey for Riverbed Erosion |
U.S. Geological Survey were 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 analyzes 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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| Last 5 items: |
| Hydrographic Survey for Riverbed Erosion |
| Introduction to GEBCO |
| MCA on Surveying the British Coast |
| Surveying in the Port of London |
| Venessa O'Connell on Hydrography |
