Can a ‘Mud Motor’ of dredged sediment help enhance salt marsh development naturally?

Following the Building with Nature concept, a pilot study was conducted introducing finegrained dredged sediments as a semicontinuous source of mud into a shallow tidal channel, naturally dispersing sediment to nearby mudflats and salt marshes.

Dredged Sediments Management in Italy: Legal Aspects
Dredged Sediments Management in Italy: Legal Aspects

Talking about management firstly means to qualify sediments in the correct way: are they waste or freely manageable materials? The answer is not simple and, being aware of that, the Italian legislator repeatedly intervened, from 2006 to 2012, with laws and regulations in order to offer legal certainties to the interested parties.

Biological Assessment Guidance for Dredged Material

A decision-making framework shows how to distinguish minimally hazardous sediments from those requiring special treatment.

The Use of Engineered Sediments for Dyke Construction in the Flood Control Area of Vlassenbroek
The Use of Engineered Sediments for Dyke Construction in the Flood Control Area of Vlassenbroek

By preparing material from maintenance dredging with selected additives, a protective dyke was constructed from 100% reused sediments.

The Art of Screening: Effectiveness of Silt Screens
The Art of Screening: Effectiveness of Silt Screens

To minimise the possible impacts of suspended sediments in environmentally sensitive areas, silt screens are often employed, but their effectiveness may be questionable.

Dredging Phase I of the Non-Time Critical Removal Action in the Lower Passaic River
Dredging Phase I of the Non-Time Critical Removal Action in the Lower Passaic River

Removing sediments with high dioxin concentrations requires extra care, with modern surveying and tracking techniques from beginning to end, from dredging to a high-tech dewatering process to the final disposal.

Sediment Resuspension and Cycling due to Wave Groups
Sediment Resuspension and Cycling due to Wave Groups

Predicting the transport of sediments in nearshore environments and their affect on coastal stability is essential. This paper, reporting on field experiments in this subject, won the IADC Young Authors Award at COPEDEC IV in Sri Lanka.

Determining the Ages of Recent Sediments Using Measurements of Trace Radioactivity
Determining the Ages of Recent Sediments Using Measurements of Trace Radioactivity

Geochronology analyses are used to characterise sediments and sedimentation rates which can help in planning dredging operations.