Sämtliche Fachbeiträge aus den Hydrographischen Nachrichten seit der Ausgabe HN 100 sind online verfügbar.
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The evolution of the Port of Hamburg from a hydrographic perspective

For several hundred years the means of determining the water depth and positioning in the Port of Hamburg have hardly varied. The lead line has played a crucial role for hydrographic measurements. Starting with the introduction of the first echo sounder and the use of satellite navigation the electrotechnics took over the essential part in delivering ever more refined measurement instrumentation for hydrographic surveying. The adoption of computers for data acquisition and processing provides many exciting and seminal prospects. More and more digital products and workflows replace the paper charts opening a new variety of analysis tools that the customers of the Hamburg Port Authority already start to implement.

Hamburg Port | Hamburg Port Authority – HPA | Elbe | Deepenschriewer fleet

Ausgabe: HN 100 Seite: 48–52
DOI: 10.23784/HN100-11
Autor/en: Frank Köster, Thomas Thies

Flight into freedom

Alfred Andersch’ first novel Flight to Afar (Sansibar oder der letzte Grund – »Zanzibar or the last reason«) tells a story about flight into freedom. A Jewish young woman and an object of art are being rescued from the imminent Nazi fascist arrest. The flight from Rerik across the Baltic Sea to Sweden succeeds thanks to the knowledge of waterways, shoals and currents.

Ausgabe: HN 100 Seite: 46–47
DOI: 10.23784/HN100-10
Autor/en: Lars Schiller

Hydro 2014 – Energy & Enterprise in Aberdeen

Hydro 2014 took place in the energy capital of Europe. The 22nd Hydro conference of the International Federation of Hydrographic Societies (IFHS) comprised everything the over 300 delegates could expect from such a three day event: a technical programme featuring keynote and paper presentations, workshops and technical visits, an exhibition and a social programme including the ice-breaker party and the conference dinner. Hydro 2014 also saw the introduction of two new regular features to the Hydro conference programme: An IHO-led session and a student presentation session.

Ausgabe: HN 100 Seite: 42–44
DOI: 10.23784/HN100-09
Autor/en: Holger Klindt, Ian Holden

»In development aid Germany should adopt a leading role« – An academic discussion with Peter Ehlers

From 1989 till 2008 Prof. Dr. Dr. h. c. Peter Ehlers was president and professor at the Federal Maritime and Hydrographic Agency (BSH). During his term of office he particularly supported the protection of seas and oceans. Prof. Ehlers, a graduate lawyer, was representative in various commissions and an internationally perceived voice. Although he is already retired the 71 year-old’s engagement for the ocean is still unbroken. A personal interview about achievements and shortcomings.

Federal Maritime and Hydrographic Agency – BSH | IHO | IMO | hydrography | definition | environmental protection | marine economy | ocean engineer | HELCOM | Law of the Sea

Ausgabe: HN 100 Seite: 36–41
DOI: 10.23784/HN100-08
Autor/en: Peter Ehlers, Lars Schiller

Modern multibeam technology – Beyond accurate depth measurements

Every 50 years there are new developments in hydroacoustics. Hundred years ago, Alexander Behm invented the echo sounder, round about fifty years ago General Instruments developed a Sonar Array Sounding System. Today everyone talks about high-resolution Water Column Imaging. The aim is to detect all objects in the water column. However, it’s a hard job for the survey operator to observe the screen. The question is: What is the next big thing? The industry works on an Automatic Object Detector. The article gives an insight in the stage of development and points out the challenges.

Alexander Behm | Bernard Mills | SeaBeam | BOMAS-1 | multibeam echo sounder | WCI – water column imaging | AOD – automatic object detection

Ausgabe: HN 100 Seite: 32–35
DOI: 10.23784/HN100-07
Autor/en: Peter Gimpel, Christian Zwanzig

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