Time-Adaptive Grid Hydrological Solver Using PETSc

A high-resolution hydrological solver that solves on time-adaptive grids is created. The solver uses h-refinement strategies which adapts the resolution of the grid using a posteriori measure. It is based on an open-source scientific computing library named PETSc. With the use of highly scalable time-stepping solvers provided by PETSc, an...

Optimization of flood safety levels: Case study for unembanked areas in the Port of Rotterdam

Additional master thesis

Evaluation of sheet pile behavior based on Eemdijk monitoring data

From the 3500 kilometers of primary flood defenses in the Netherlands, a third does not comply with the current standards. As a result, over 700 kilometers will be strengthened in the upcoming years. Traditional strengthening of dikes consists of strengthening with soil and requires space that is often not available. Further strengthening of...

New Netherlands: Towards transitional flood risk management anticipating to extreme future sea level rise scenarios

Sea levels are rising globally and the melting Antarctic ice sheet is attributed to be the primary contributor. Due to the deep uncertainty of the causal representative carbon pathways, the plausible range of sea levels rise varies between 0,26 - 2,43 m for 2100 and 0,50 - 15,52 m for 2300. To address deep uncertainty, decision making methods...

Assessment of the probability distribution of the phreatic surface in a regional flood defence: Finite element computation for a better understanding of the influence of precipitation on the phreatic surface

A large part of the Netherlands consists of polder area. Therefore the inhabitants have to rely on the Dutch flood defence system to protect them against floods. A vast network of drainage canals ensures that the seepage water and the precipitation water is transported from the polders toward the outside water. There are several mechanisms which...

Bridging the gap

This thesis aims to research how the city of Bangkok can deal with flooding and preserve the socio-economic context of informal settlements along the city’s canals by using spatial and non-spatial measures

Reliability of a dike influenced by a building: Development of a probabilistic method for slope stability of a dike containing a building inside the soil profile

In this research the reliability of dikes are studied that are influenced by the presence of buildings. Along many Dutch dikes (residential) buildings are present. These buildings may influence the reliability of the dike positevely and or negatively. In this study a probabilistic method is developed to determine the influence of a building,...

Safety Assessment Method for Indirect Failure Mode Flow Sliding

Flow sliding of submerged slopes in front of dikes affects flood safety. The occurrence of flow sliding may result, sometimes with delay, in a failure mode and consequent flooding. The current safety assessment method for flow sliding does not consider the interaction between flow sliding and failure modes. Therefore it is unclear whether the...

Old harbour, new possibilities

In this graduation project a design for the Merwe-Vierhavens (Rotterdam) is made, based on the subsoil characteristics. An interactive subsoil potential map shows all the information and tools, which are used in the masterplan. The design for the harbour also protects the residents from floods.

Does deepening understanding of social-ecological systems make sense? A partial success story from the Slufter, Texel.

The Slufter is an estuary located in Texel’s North Sea dunes and protects the hinterland from flooding from the North Sea. As the multi actor environment and the diversity of values and functions associated with the Slufter are recognized, this research focuses on developing an approach for the district water board to broaden the knowledge base...

Effectiveness of sensors in flood defences

Introduction The popularity of monitoring dikes with sensor techniques is rising. It is claimed that sensor techniques lead to significant cost savings and can predict an upcoming dike collapse. But a technical foundation to use the sensor monitoring information in flood safety assessment is lacking. This research investigates the contribution...

Detailontwerp Hefdeur: Waterkering in de Nieuwe Maas

Volgens het rapport van de nieuwe Deltacommmissie onder leiding van oud minister Veerman zal de zeespiegel de komende honderd jaar met 0,65 tot 1,30 meter stijgen. Om de regio Rijnmond ook in de toekomst te beschermen tegen hoge waterstanden zal de Maeslantkering tot wel 30 keer per jaar moeten sluiten. Dit is ongewenst voor de Rotterdamse Haven...

Flood defence town centre Dordrecht

The flood defence in the historical town centre of Dordrecht is situated in the Voorstraat, which is a busy shopping street. The dike itself is too low at some places, but with a system of flood stop logs in the doors of buildings along the street some extra height can be reached. The reliability of the stop log system is doubted however, so...

Reliability analysis of the Caldicot Levels' flood defence system by using Dutch relaibility method for flood defences

Reliability analysis of the Caldicot Levels flood defence system by using Dutch reliability methods for flood defences F.A. Buijs In the light of the shift to a risk-based safety assessment of flood defences in the UK a project called RASP, Risk Assessment of Strategic Planning, is carried out at among others HRWallingford. Part of this project...

Zeedijken in een breder perspectief: Onderzoek in het kader van het project Blauwe Delta

De provincie Zeeland is bezig met het opstellen van de Integrale Visie Deltawateren. Dit afstudeeronderzoek 'waterkeren in de breedte' kijkt voor de primaire waterkeringen langs de Ooster- en Westerschelde in het kader van de veiligheid naar twee mogelijke oplossingsrichtingen als alternatief voor dijkverhoging. Het betreft hier enerzijds het...

Haalbaarheidsstudie naar de toepassing van een worst als tijdelijke waterkering

Het rapport 'Haalbaarheidsstudie naar de toepassing van een worst als tijdelijke waterkering' gaat na of een worst als nooddijk een technisch en/of economisch haalbaar alternatief is voor huidig gebruikte methoden voor tijdelijke waterkeringen. Op dit moment wordt bij dreigend hoogwater op verschillende manieren een nooddijk gebouwd. Men kiest...