Excited by Automation Driven by Autonomous Vehicles

Hydro International Interviews Capt. Shep Smith
NOAA is one of the bigger organisations in the world that has surveying and charting in its portfolio. It’s an immense task as the USA has about 95,000 miles of coastline, important ports and a wide range of users – from recreational boaters to the biggest container vessels and tankers. The country also has to deal with environmental disasters like hurricanes and oil spills. NOAA is undergoing changes as the chart portfolio is ‘going digital’ and new initiatives such as using Maritime Autonomous Systems (MAS) for surveys. Hydro International interviews Capt Shep Smith, who generously gave an insight behind the scenes. NOAA is one of the bigger organisations in the world that has surveying and charting in its portfolio. It’s an immense task as the USA has about 95,000 miles of coastline, important ports and a wide range of users – from recreational boaters to the biggest container vessels and tankers. The country also has to deal with environmental disasters like hurricanes and oil spills. NOAA is undergoing changes as the chart portfolio is ‘going digital’ and new initiatives such as using Maritime Autonomous Systems (MAS) for surveys. Hydro International has interviewed Capt Shep Smith, who generously gave an insight behind... (read more)
2015-12-01 09:18:32

Oceanology International to have Three Points of Focus

When Oi08 opens at the ExCeL centre in London’s Docklands on 11 March, the exhibition and its accompanying conference will focus on the three important issues that have begun to dominate thinking in ocean science and technology: climate change, meeting future energy demands, and ensuring environmental and civil security. These have become interconnected issues, with expertise now moving freely between each of these apparently specialised sectors.<P> With a 3-day conference accompan­ying this major exhibition, it is almost inevitable that public concerns about climate change will attract considerable interest. The role of the oceans in global warming is likely to take... (read more)
2008-03-12 12:00:00

Hydrography in the Far East

Interview with Associate Prof. Dr Mohd Razali Mahmud
There is much current activity on the hydrographic scene in the Far East region; the area was hit by the Tsunami, 26th December 2004. The region is also on the doorstep of China, a country undergoing enormous economic growth and a consequent growing market for hydrographic surveying. Have developments in China any other consequences for the hydrographic community in the Far East? Associate Professor Dr Mohd Razali Mahmud, Head of Hydrography, Institute for Geospatial Science and Technology of the Universiti Teknologi Malaysia (UTM) agreed to be interviewed by Hydro international (HI) on the matter. Please give our readers a summary... (read more)
2008-01-01 01:00:00

Proliferation SeaSonde Coastal Current-Mapping Radars

HF interference to improve coverage performance
For several decades while coastal HF current-mapping radars were under development, they radiated rarely and only for a few weeks at a time. Now 120 commercial SeaSonde units have been sold and seventy operate continuously in permanent locations. Their numbers are presently increasing at a rate of about 35 per year and they are used for a variety of maritime purposes. Although emitting only 50 watts of power they can map currents to 200km on the lower frequencies; these signals may also travel half way around the world, thanks to overhead reflecting ionospheric layers. After all, these same layers have... (read more)
2008-01-01 01:00:00

Exploring Coral Reef Sustainability

The Island of Bonaire in the Southwest Caribbean, a Marine Protected Area since 1979, has one of the most pristine coral reefs in the region. The last synoptic survey of the leeward coast was by the Dutch scientist Dr Fleur van Duyl in the 1980s and parts of the deeper reef have never been mapped. In January 2008, the US National Oceanic and Atmospheric Administration (NOAA) funded a unique expedition to Bonaire, deploying three compact Autonomous Underwater Vehicles (AUVs) carrying various oceanographic instrumentation packages and a swath bathymetry sonar.<p> The crystal-clear watersand schools of reef fish made an enchanting setting... (read more)
2008-08-27 12:00:00

Small Boat Work – Dangerous Then, Dangerous Today

The ability to conduct inshore hydrographic surveys has always been dependent on small boats and the seamanship of those conducting the surveys. Besides the obvious use of small boats for the acquisition of soundings and their accompanying positions, it was not so long ago that many surveys of remote and open coastlines also had to transport topographic and geodetic survey crews to shore camps or daily work areas. Although the nature of both shore work and hydrographic work has changed somewhat over the years, small boat work with its attendant dangers has remained a constant. Before the days of radio... (read more)
2016-09-27 04:24:02

Danish Hydrographic Office Turns to GIS for Automated Maritime Charting

A Radical Update Was Needed
Denmark has challenging seascapes to map and chart. It has a rich history of nautical charting that dates back to the seventeenth century, and many of its navigational products for Greenland were created in the 1960s. When GPS started to gain prominence, a radical update was needed. Apart from its 42-mile land border with Germany, the peninsular country of Denmark, with its scores of bays, straits, and fjords,  is surrounded almost entirely by the North and Baltic Seas. Denmark is also composed of more than 400 islands, including the Faroe Islands, located in the Atlantic Ocean between the United Kingdom... (read more)
2019-12-19 02:23:42

The Impact of the Physical Properties of Water in Dam Lakes

In Accordance with the Results of the Echo Sounding and Reservoir Capacities
Technical managers and users of hydrographic surveying results of reservoir dams mainly pursue the amount of sedimentation and the authentic volume of the reservoir under their management. But to what extent is the data obtained reliable? It would appear that the following factors could be effective in gaining this objective: Technical, modern and updated hydrographic guidelines, Advanced equipment and their appropriate application,Timely calibration during equipping and the elimination of systematic errors,Qualified, experienced, trained and specialised manpower, The application of methodology, according to the hydrographic guidelines of the reservoir,Correct data processing, including the enforcement of the essential amendments and the rendering of the... (read more)
2010-09-13 02:06:26

Starters in Hydrography

Hydro International interviews Lieutenant Matt Templeton, Elise Bergsma, Michelle Weirathmueller and Mohd Zukhairi Abd Latef
There is a global shortage of hydrographic surveyors. Vacancies and demands for personnel at sea mean surveyors are becoming the most wanted specialists in the offshore world. Institutes of hydrographic education around the world are struggling to attract enough students and companies are taking on students before even they have graduated. We found some students at the start of their careers and asked them what they expected from their life in hydrography. HI : Why have you decided to become a hydrographer?Templeton: I like the balance between the hard days in the field and the challenging evenings working through the... (read more)
2007-01-12 12:00:00

The Dawn of the Digital Age

How digital visual systems lower costs and improve efficiency
Traditionally, Video Inspection surveys have been performed by ROV using analogue CCD colour cameras, with the video pictures recorded to S-VHS videotapes. This technology has served the industry well for more than twenty years but technology moves on: the world watches films on DVD, digital video movie trailers can be viewed over the internet and 3G mobile phones allow digital video clips to be viewed on the move. We are about to witness the same paradigm shift in the way we handle video information as occurred twelve years ago when CD audio replaced analogue vinyl recordings. Digital video systems offer... (read more)
2008-01-01 01:00:00
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