Centralised Data for Hamburg Port Authority

From Ping to Chart
The Port of Hamburg is the third-largest container port in Europe and among the biggest in the world. There are almost 300 berths with a total of 43 kilometres of quay servicing around 9,000 ships per year. The Hamburg Port Authority (HPA) is responsible for the management of the harbour and has its own hydrographic survey department. This department collects its own multibeam and laser data which is augmented with additional data collected by the land survey department of the HPA and with data from external organisations. All bathymetric data is stored in a central Bathymetric Database (BDB) and from there disseminated... (read more)
2017-06-13 02:19:51

Flexible High-resolution Seismic Method

Used for Qualification of the Seabed
Traditionally, the upper part of the shallow seabed is investigated using low frequency echo sounders to enable safe navigation, and even lower frequency profilers for seabed structure mapping. However, the results of these systems often lack accuracy and, as a consequence, seabed properties are not known. A more accurate method, which results in seabed parameters, is obtained by the addition of the ultra-high resolution seismic sub-bottom system package Silas. It will be shown that Silas can be added to any echo sounding or profiling system. High-quality data acquisition is possible with only minor changes to standard survey practices. The data... (read more)
2016-02-01 03:46:20

International Communications and Navigation Ltd

International Communications and Navigation Ltd (ICAN) is a product development and systems integration company incorporated in 1996. The company has its headquarters in St John’s, Canada with offices in Quebec City, Canada and Dallas in the US. ICAN was initially conceived as a systems integration company that focused on differential GPS infrastructure. This changed in 1997 as ICAN became involved in shipboard projects and started developing electronic charting technology. The company focused from the beginning on delivering systems that provided utility to the customer. Navigation is an essential utility provided by electronic charting systems, but there are many other aspects... (read more)
2008-01-01 01:00:00

Thales GeoSolutions

A name with a great heritage and secure future
Thales GeoSolutions Group employs more than 2,000 people throughout its global network of operating companies providing a complete range of offshore survey services. With a distinguished pedigree of expertise and innovation in the industry going back to the 1940s, the company incorporates some of the most famous names in navigation and survey including Decca and Racal. The company boasts a number of industry landmarks, most notably the first commercial navigation system in Europe for aircraft and vessels as well as the world’s first commercial global satellite positioning system (GPS) for the offshore industry. In its present guise Thales GeoSolutions is... (read more)
2008-01-01 01:00:00

Dredge Efficiency and Precise Positioning

Integrating Dredging and Hydrographic Techniques
Dredgers involved in mining for (precious) minerals and metals often work in an inland dredging pit. Dredgers float in a ‘wet environment’ where the surrounding water is used as transport medium. The fact that the minerals are mostly covered in various sediments is one of the biggest problems in mining them. This article describes some of the techniques used in these dredging operations and illustrates the importance of integrating techniques and information. Most minerals, like rutile and zirconia, are to be found on top of a layer of clay with the highest concentrations found closest to it. Pewter is mostly... (read more)
2008-01-01 01:00:00

Approaches to Hydrographic Training and Capacity Building

Technology and Blended Learning for Flexible, Modular Training
The Challenge: To provide a stimulating educational framework that blends relevant theory with practical exercises without removing individuals from their work environment for too long a period and optimising investment in complex and expensive equipment that may only be used a few weeks per year. The IHO FIG/IHO/ICA International Board for Standards of Competence (IBSC) has recognised the need for the competency standards to continue to evolve to meet these contemporary and future requirements. This paper presents an approach taken to modernise the training and capacity building aspects of these challenges. The demands made upon the world’s charting authorities continue... (read more)
2013-07-12 02:15:09

Pathfinder

An Incident at Guadalcanal
In the Second World War, the Pacific was poorly charted, and the Navy would require the services of a cadre of hydrographers to rapidly survey areas of tactical and strategic interest. Officers of the US Coast and Geodetic Survey provided the nucleus of that cadre and served from the Solomon Islands north to the Aleutian Islands. They served on Coast and Geodetic Survey Ships, including the brand newPathfinderand even the USSRocky Mount- vice admiral Richmond Kelly Turner’s amphibious command ship. Of the survey ships, the most illustrious of all was thePathfinder,of which it was said, “The road to Tokyo was... (read more)
2009-06-04 12:00:00

Hydrographers Stepping Up to the Challenge

Hydro International Interviews Larry Mayer
A schizophrenic interest in both ocean engineering and the ocean’s record of climate history led Larry Mayer, director, Center for Coastal and Ocean Mapping (CCOM), co-director, Joint Hydrographic Center (JHC) and Professor of Earth Science and Ocean Engineering at the University of New Hampshire (UNH) to an impressive career. Another schizophrenic aspect of his career is that he looks both North, to the Arctic, and South, to the Gulf of Mexico. With more than 50 expeditions to sea, amongst them many to the Arctic, and a new role as leader of an inquiry team installed by the National Research Council... (read more)
2011-05-16 05:00:51

Staring at Waves – Knowing What’s Below

Optimisation of a Bathymetry Module within a Rip Current Prediction System
The dynamic appearance of offshore directed currents, mainly rip currents, during the summer season has led to several fatal incidents at the beach of Egmond aan Zee (The Netherlands) in the past. A rip current prediction system has been set up in order to avoid such incidents in the future. The occurrence and characteristics of rip currents depend strongly on subtidal bathymetries, hence detailed survey data is required for accurate predictions. ARGUS, the video monitoring system, was considered to provide the prediction system with precise, regularly updated bathymetry data. This is why the applicability and reliability of the ARGUS system... (read more)
2018-10-30 10:14:09

Seismic Activity Data Collection on the Ocean Floor

Sponsored Article
Unlike neighbouring Japan, earthquake activity is infrequent in the peninsula area of South Korea, and those that do occur tend to be low in intensity. Typically, earthquakes in this region measure between 2.0 and 5.0 on the Richter scale[1]. The record for the quake with the highest magnitude on the Korean Peninsula stood for some time, recorded at 5.3 in 1980. This was recently overtaken by a 5.8 magnitude tremor in Gyeongju in 2016 and a 5.4 magnitude tremor in Pohang, followed soon after by a 4.8 magnitude aftershock tremor. Data on these events is collected using the existing seismological... (read more)
2019-08-06 08:30:32
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