New Director of Norwegian Hydrographic Service31/08/2010 |
| Evert Flier has been appointed the new Director of the Norwegian Hydrographic Service. Director Flier has served as an Officer in the Royal Netherlands Navy (RNLN) since June 1989 and has more than 20 years of operational and managerial experience from a variety of programmes within the RNLN and the Dutch Ministry of Defence. |
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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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He has held operational and executive positions on board frigates for eleven years. As part of an exchange programme with the Norwegian Navy, he sailed and as Executive Officer onboard a missile torpedo boat. He was project manager for navigational equipment at the Directorate for Material Royal Netherlands Navy, taught navigation and