East Australian RegionThe East Australian Region ran a very successful one-day seminar in Sydney on Monday 13 September 2010. The seminar was fully subscribed with 20 presentations given during the...

The alignment of the motion reference unit (MRU) is important for the accuracy of a multi-beam survey. The patch test is mostly used to solve angular offsets between the multi-beam...

In the April 2009 issue of Hydrointernational, Carl Aslakson was mentioned as having devised a method of determining the velocity of light by using Shoran (short-range navigation). This article traces...

For a long time magnetic surveys have been under-used because of their limited usefulness. In recent years technology has advanced considerably and magnetic recording can now be performed simultaneously with...

This article gives an insight into the topographical and hydrographic aspects of the construction of a stabilised tidal inlet in Cartagena, Colombia. The purpose of this tidal inlet was to...

On 22 January, a workshop was organised with the ­Netherlands section of the Central European Dredging Association (CEDA). Over 130 attendees (70%/30% CEDA/HSB) assembled at the dredger yard of the...

Although this is my second effort at contributing to the History column, I would like to use this issue’s column to introduce myself to the readership of Hydrointernational. As most...

Over the last year, I have been in a very privileged position of being an active member of a design team responsible for a major re-organisation within my company. During...

This article describes the installation of a hardware and software system for bathymetric surveys in the maritime part of the Congo River. The ‘Regie des Voies Maritimes’ (RVM) is a...

The intertidal zone, where coastal wetlands provide the first buffer to storm energy and sea level rise, has not traditionally been a focus of geodetic surveying. However, the increasing vulnerability...