Developing Robust Measurement Techniques for Vessel Sensor Offsets

The world of hydrography is being opened up for new applications using a variety of boat-mounted sensors. Measurement of the relative positions of the sensors on board is vital for making the most of these new technologies. Stuart Leakey from the Port of London Authority and Geoff Wharton from Capture As-Built Ltd describe new techniques for the accurate measurement of relative sensor positions. The Port of London Authority (PLA) is responsible for managing the tidal River Thames. Its Hydrographic Service has three dedicated survey vessels each permanently fitted with multibeam systems and with the ability to integrate a much wider... (read more)
2017-07-19 02:33:15

Furgo Provide Survey Vessel to Support Search for Malaysia Airlines Flight 370

The Australian Transport Safety Bureau (ATSB) has awarded Fugro a contract that will see the deployment of its specialist vessel, equipment and expertise in the underwater search for the missing Malaysia Airlines flight 370 (MH370). Using its advanced survey vessel, the Fugro Equator, fitted with state-of-the art multibeam echosounder equipment, Fugro will conduct a bathymetric survey of the search area. The seabed data obtained will assist in the production of maps of the seabed offshore Western Australia. This area is relatively uncharted and the maps will assist in planning subsequent stages of the MH370 search. Fugro and ATSB expect the Fugro Equator... (read more)
2017-01-06 11:11:42

Renishaw Joins Forces with Cadden to Distribute Merlin Marine Lidar System

Engineering technologies company Renishaw has teamed up with hydrographic equipment provider Cadden to supply their vessel-based lidar scanner, Merlin, to the marine surveying industry. Cadden is a proven specialist provider of sensors and systems to the hydrographic market, and the French firm's appointment as the first Merlin supplier in mainland Europe marks an exciting development for the product's distribution network. The Merlin time-tagged lidar system was specially engineered in-house to enable hydrographic surveyors to cut the cost of vessel-based laser scanning. Merlin's unique ability to provide seamless integration with existing vessel systems and software has caused a stir in the... (read more)
2017-01-14 02:42:16

Hydrographers Search for Savings - Ocean Business 2015

Ocean Business took place between 14-16 April at the National Oceanographic Centre in Southampton. There were over 300 exhibitors in two giant marquees, a three-day schedule of training and demonstration sessions and the Offshore Survey 15 Conference. Richard Groom reports for GW. The main event attracts fringe activities which this year included a Blue Economy Day jointly led by FIG and IHO, and a Maritime Autonomous Systems workshop which was held at the NOC’s new Marine Autonomous Robotic Systems Innovation Centre. Ocean Careers was another parallel event at which practising hydrographic surveyors gave students their insights into the industry and... (read more)
2017-07-19 05:44:07

WWI Mystery Solved with Discovery of AE1

Australia’s first naval submarine, HMAS AE1, has been discovered 103 years after its disappearance during WWI. It was lost off the coast of Papua New Guinea on 14 September 1914. The wreck’s discovery in late December 2017 brings closure to one of Australia’s oldest maritime mysteries, and reveals the final resting place of the submarine’s 35 crew members. The submarine was located by the survey vessel Fugro Equator on 19 December and further inspection confirmed it was AE1. The sea floor was scanned with a multibeam echosounder mounted on the hull of Fugro Equator and also aboard the Echo Surveyor 5 AUV (autonomous underwater vehicle), which operated at... (read more)
2018-01-11 10:26:18

The Challenges of Shallow Water Hydrographic Surveying

Surveying Britain’s 2000 miles of inland waterways is specialised work. Kate Rowlatt and John Williams show how a new compact custom system aboard a bespoke survey vessel is capturing cleaner data even under difficult conditions. Hydrographic surveying on inland waters can often be extremely challenging as there may be many risks to both personnel and equipment or perhaps factors which compromise the survey methodology resulting in poor data quality. Risks may come from ultra-shallow regions where the survey vessel and/or equipment may touch the riverbed; fast flowing currents in and around weirs, dams and intakes or, as seen more recently,... (read more)
2017-04-28 12:51:04

Fugro Wins Contract to Map Largest Highway Project in Norway

Fugro has won a second major contract from the Norwegian Public Roads Administration (NPRA) for the largest road project in Norway’s history. The work on the E39 Coastal Highway will involve a 1,100-kilometre-stretch from Kristiansand in the south to Trondheim in central Norway and is estimated to require investment of approximately NOK 340 billion. Fugro is set to begin a year-long contract, valued at approximately NOK 76 million, to carry out seabed investigations in four fjord locations where vast engineering projects are planned. The fjords - Vartdalsfjorden, Sulafjorden, Romsdalsfjorden and Halsafjorden – are in the county of Møre og Romsdal.... (read more)
2018-01-02 11:26:12

High-Bandwidth Satellite Service Finally Available in the Arctic

Kepler Communications, a Toronto (Canada) based communications company, is said to be the first to successfully deliver more than 100 Mbps broadband connectivity, via its nanosatellite network, to scientists taking part in a massive research expedition in the Arctic region. Kepler Communications, a pioneer in nanosatellite telecommunication services, has demonstrated the delivery of over 100Mbps connectivity in the Arctic region to the German icebreaker Polarstern. The vessel is located at around 85oN and is home to the MOSAiC scientific expedition. The demonstration marks the first time in history that the central Arctic has been successfully connected through a high-bandwidth satellite... (read more)
2019-11-10 10:14:24

3D Documentation of the Forth Bridge

The iconic railway bridge and its companion road bridge have been scanned as part of a project to help inspire the next generation of Scottish engineers. Using a mobile mapping system engineering technology company Renishaw captured data by road and boat. The Forth Bridge is an iconic engineering landmark located nine miles west of Edinburgh, in eastern Scotland. Opened in 1890, this cantilevered railway bridge has been nominated as Scotland’s sixth UNESCO World Heritage Site. Until 1917, when Canada’s Quebec Bridge was completed, the Forth Bridge had the longest single cantilever bridge span in the world. Together with the Forth... (read more)
2017-07-20 11:41:54

Hydrographic Surveying in the Wake of Hurricane Irma

Phil Payne gives a personal account of his experience in the Caribbean at the time of Hurricane Irma. He reminisces on the usefulness of basic techniques when the latest systems are, for whatever reason, not available, especially after being in the eye of one of the most powerful hurricanes ever recorded, and thinks that in the circumstances he is justified to say that no two days are the same. Organising equipment contracts, the hire of a suitable vessel, and bringing people together in a foreign country is never an easy task, but come September last year I was ensconced in... (read more)
2018-03-12 01:06:10
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