IADC: New Terra et Aqua Available

The International Association of Dredging Companies (IADC) has just published the latest issue of Terra et Aqua, their official quarterly publication.

The magazine is supported solely by the IADC as a service to the world-wide dredging community and represents IADC’s commitment to the highest standards of professional conduct.

IADC is the global umbrella organisation for contractors in the private dredging industry. As such IADC is dedicated to not only promoting the skills, integrity and reliability of its members, but also the dredging industry in general. IADC has over one hundred main and associated members.

Together they represent the forefront of the dredging industry.

The articles 

The first article, “Building with Nature: Sustainable protection of mangrove coasts” delves into the philosophy behind Building with Nature (BwN) and how this approach combines natural processes with innovative engineering methods for sustainable projects.

The feature also highlights a case study: a current BwN project in the Demak district in central Java, Indonesia, where permeable dams are being built.

It is a relatively low-tech and low-cost approach to help restore eroding mangrove-mud coasts that will ultimately improve the central coastline of Java.

The second article, “LuXeal – The easy to handle watertight mixture” discusses a new and innovative watertight bentonite mixture, LuXeal, and the use of it as a watertight layer in dredging works in Juliana Canal in the Netherlands.

The lead author for the article, Francois De Keuleneer, won the IADC Young Author Award at the WODCON XXI in Miami, Florida in June this year.

The final article, “Dredging sound levels, numerical modelling and EIA” gives an overview of known sound source levels for various dredging equipment and activities and describes a method used to extrapolate source levels based on the pump power when a source level has not been directly measured.

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