Sand Motor

Coastal Developments

Large parts of the Dutch coast are eroding. To safeguard the hinterland, Rijkswaterstaat nourishes the coast frequently. Presently, a total of about 12 million m3 is nourished every year. It is expected that this volume…

Adaptation for flood and drought risks in South Florida

Climate Adaptation

Development of economically efficient and sustainable water management strategies hinges on the assessment of the costs of weather extremes. In particular damages due to floods and droughts and their mitigation, as well as the framework…

Mangrove coasts under threat

Nature-based flood defenses

Mangroves, found worldwide in the tropics and subtropics, are disappearing at a rapid pace. This is mainly caused by anthropogenic pressures, such as land clearing for urban development or for establishment of fish and shrimp…

Improved design methods for floating offshore wind

Offshore energy

Offshore wind is going to be a major contributor to the production of renewable energy. Large scale fixed offshore wind farms are being built all over the world. However, not all countries with ambitions in offshore…

Combating subsidence for a resilient New Orleans

Urban resilience

New Orleans has an effective storm drainage system to pump away water following a heavy rainstorm. However, the pumps also operate when it is dry: besides rainwater, they also (unintentionally) lower the groundwater level, causing…

Passive sampling for the effective monitoring of pollutants in water

Human health needs knowledge about water and the subsurface

As a result of human activities, chemical substances such as pesticides and traces of medicines enter the surface water through sewage water and groundwater. High concentrations of these substances may be a risk for people and the…

Navigation Safety in Port Loko River in Sierra Leone

The Port Loko area in Sierra Leone is important for barge transport of iron ore. Figure 1 shows a critical inland reach at Porto Loko River for transport of iron ore from Thofayim river terminal…

Impact of bow thrusters and propeller jets on bed protections

Ports and waterways

In a cooperative project with the Port of Rotterdam, the Port of Antwerp, Holcim and the Dutch Ministry of Public works (Rijkswaterstaat), Deltares performed physical scale model tests to determine the impact of bow thrusters…

Translating offshore wave information for Porto Central

Ports and waterways

Porto Central is a greenfield port in Brazil that is presently being developed by a joint venture of Terminal Presidente Kennedy (TPK, Brazil) and the Port of Rotterdam (PoR, The Netherlands). The project is part…

Ports of the Future

Ports and waterways

The growing number of port development projects recognises the need to shift economies and social structures towards more sustainable models. The development of a new or extended port layout requires adequate attention to a number of aspects…