1997-2007: A Decade of Developments in Hydrography

We all know what is the oldest profession in the world. The second oldest is probably that of land surveyor: Adam undoubtedly wanted to stake out the boundaries of paradise in order to know what was and was not his. Paradise, or the Garden of Eden, was to be found in the land of the Euphrates and Tigris, where these two rivers converge at the town of Qurna in the present Shatt al Arab. And apart from his topographical activities Adam must also have made some hydrographic observations, probably just using a stick cut from a local fruit tree! After... (read more)
2007-02-02 12:00:00

Looking Far beyond the Horizon

Hydro International Interviews Steven Xu, CEO, Hi-Target
These are exciting times in the geomatics and hydrographic industry. Innovative solutions are being developed, integration is the main keyword and the big players are acquiring smaller companies that add a new dimension to their portfolio. Europe, Japan and North America are traditional strongholds of geomatics, but several very ambitious companies from China are doing their utmost to catch up with the frontrunners. Steven Xu, CEO of Hi-Target, was more than happy to share his thoughts and expectations with Hydro International. Read the interview here. Wim van Wegen and Joost Boers, Geomares Publishing, The Netherlands Hi-Target was established in Guangzhou,... (read more)
2016-02-01 04:20:25

Hydrographic Surveying: Where Do We Stand

The Ever-increasing Accuracy of Mapping the Surface Waters
Hydrographic surveying is highly specific and requires a suite of advanced acquisition and positioning sensors attached to a mobile survey platform as well as sophisticated software to allow the correct combination of all the data. For those within the industry, the advances over the last decade may feel more like an evolution rather than a revolution. If we look back one, two or even three decades, we can see the enormous leap hydrographic surveying has taken. Where do we stand, and what can we expect for the near future? In this article, we will look at the present compared to... (read more)
2018-12-11 02:51:31

Ocean Business Ready for Business

Hands-on Update on Ocean Technology – Science and Business
The bi-annual event Ocean Business is coming to the NOC, Southampton from 4-6 April 2017. Three days of ocean technology engineering and science, knowledge sharing, hands-on training and demos as well as networking. The exhibition space is completely sold out, including more than 340 exhibitors. A selection of the businesses represented give a taster of their innovations in this preview. Better still, of course, is to come and see and experience for yourself! Ocean Business is more than just a trade show. There will also be seminars, workshops by suppliers, a general conference as well as a conference organised by... (read more)
2017-03-13 02:39:32

Technology in Focus: Hydrographic Processing Software

In What Direction is Progress Headed?
Discussing and comparing software has often been tricky in Hydro International as it is difficult to put the packages together and see clear differences. In this overview of hydrographic processing software, we will highlight trends and movements as indicated by  the responses from software suppliers to our questions. In addition, we have added to this our own observations. All in all, this makes for interesting reading as there are movements in the industry that also tell us where the profession is headed. By Joost Boers, Hydro International, The Netherlands and Lars Kårlin, Data Processing manager, MMT, Sweden. Firstly, we would like to establish... (read more)
2016-11-24 02:08:38

The Art of Bathymetry

Using 3D Printer Technology to Represent Survey Information
Great advancements have been made in three dimensional printing over the last few years and have made an impressionable impact across a variety of industries. 3D printings’ versatility can be incorporated into any industry that has some form of three dimensional design. An exciting application is to model point clouds from survey techniques to create three dimensional scaled models for visualisation and communication. In this article we will explore a new medium using 3D printed technology.  Over the last few years great advancements have been made to all forms of surveying in three dimensional data capture, whether it be multibeam... (read more)
2016-05-19 11:44:56

Integrating UAS and Multibeam Echosounder Data

Creating a 3D Landscape Model of a Gravel Quarry in Germany
Knowing the volume of material present in a gravel quarry can make the difference between profit and loss. A gravel quarry in Hartheim am Rhein, southwest Germany, is partially covered by artificial lakes. To determine the volumes of the above-water gravel dumping grounds and to map the bottoms of the lakes, high-precision data captured by an unmanned aerial system (UAS) was combined with multibeam echosounder data obtained by boat. Read the full article for a description of acquisition of the two types of data, how they were integrated and the benefits for the mining company. A gravel quarry is associated with diggers, rough... (read more)
2016-04-25 10:08:32

Improving Satellite-derived Bathymetry

Using Spatial Regression Algorithms
Bathymetry is traditionally acquired using singlebeam or multibeam echosounders. This method produces accurate depth measurements along transects but is constrained by operating cost and an inability to survey in very shallow waters. Airborne Lidar is able to produce accurate bathymetric information over clear waters at depths up to 70m, but can be costly and is limited by a relatively coarse bathymetric sampling interval. Experience in Irish waters has resulted in very poor seabed detection along the east coast and limited penetration on the west coast. An efficient and cost-effective alternative is satellite-derived bathymetry. Calculating Depths by Satellite Satellite Derived Bathymetry... (read more)
2016-12-20 01:33:10

Being Able to Look and Work Over the Horizon is Important

Hydro International Interviews Dan Hook, ASV.
ASV (headquartered in the UK) is a pioneer in the world of Autonomous Surface Vehicles. It discovered the potential of vessels that do not need man-power on board for various tasks. It was not until a few years ago that these kinds of platforms started taking off, also in the hydrographic survey profession. Hydro International interviews Dan Hook, ASV’s managing director, on various aspects, including operating beyond the horizon, communication and collaboration and regulations. What attracted you to the autonomous surface vehicles business?I could see that this was an area of huge unrealised market potential in the defence, oil and... (read more)
2015-08-06 03:28:23

Next-generation Surveyors Using Next-generation Technology

Lake Survey 2016
Twenty 3rd-year students of ocean technology from the Maritime Institute Willem Barentsz (MIWB, The Netherlands) participated in the 4th edition of the Lake Survey. Building on last year’s experience and together with three new partners, Teledyne CARIS and Fugro were able to enhance the programme. Three independent platforms were deployed to highlight the potential of modern-day surveying. A survey motor boat (SMB), an unmanned surface vehicle (USV) and an unmanned aerial vehicle (UAV) were used to acquire elevation data on and around the Vlietland lake in Leidschendam, The Netherlands. Since 2013, Teledyne CARIS has organised an annual practical survey for Ocean... (read more)
2016-08-05 09:17:30
Search Filter