Streamlining river groynes: Laboratory experimentsin schematised geometry under submerged flow conditions

Groynes are hydraulic structures commonly applied in the Dutch rivers. Depending on the water depth, groynes can be emerged or submerged. When a groyne is emerged, it has two main functions: maintaining the water depth in the main channel and preventing the river from eroding its bank. When the discharge in the river increases, the groynes...

IFL Identified Flooded Landscape: Designing a flood reselient home

Due to global warming causing climate change, extreme conditions like droughts and floods are increasingly happening. Currently buildings in the Netherlands are experiencing the consequences of these extreme conditions, which they are not build for. Especially the foundations are a big problem. Therefore this paper is aiming to find a foundation...

Flood Resilience in Accra: Accra's Flooding Problem

Natural disasters, related to water, in various forms have become more common in our daily lives and on our television screens. Within the past years, flooding has become a phenomenon which affects global, social, psychological and economic development. In Ghana there are major problems related to water and this has increased substantially over...

Saving for a rainy day? Estimating the economic impact of the 2021 Limburg flood

In this thesis I use a novel approach to estimate the economic impact of the 2021 Limburg flood using high-frequency transaction data from ABN AMRO bank. High- frequency bank transaction data have previously been proven valuable in accessing the economic impact of the COVID-19 pandemic (Neuteboom et al., 2021). To the best of my knowledge, this...

Role of household climate change adaptation in reducing coastal flood risk: The case of Shanghai

Climate change intensifies the frequency and severity of floods - the most devastating and costly climate-induced hazard. Government adaptations such as dikes or beach nourishments are important, yet insufficient in the face of worsening hazards. They reduce the hazard probability, but the local actions at the household level determine the...

Do multi-year droughts increase floods?

Due to climate change, drought-flood alternations have become more frequent and more severe in many countries in the world. However, little research has been done on the relationship between flood and drought. Thus, this research aims to investigate whether a relationship exists between multi-year droughts and the floods that follow in the post...

Water Safety: Fragile Urban Riverfront: Applying more resilience to the urban river corridor of Chongqing

This research took the Chongqing main town as an example to study the<br/>impact of seasonal floods in the upper reaches of the Yangtze River on the<br/>city, and strategies to improve flood resilience in the river corridor area in<br/>mountainous cities. The study first analyzed the water safety, water conflict,<br/>and water opportunities in...

SAR-based flood mapping in urban environments

Flooding is a very costly natural disaster especially when it hits urban areas. Yet synthetic aperture radar (SAR) based flood mapping barely works in urban areas. Buildings and man made objects have similar backscatter signatures as still standing water. This makes them hard to distinguish from one another. Structures can block the visibility...

Quantitative flood risk analysis of road infrastructures (Publishable version): A case study considering Climate change effect

This thesis adopt existing methodologies for flood-risk assessment in other civil infrastructure (such as dams or urban flooding) and apply them in road type infrastructure in order to quantitatively assess flood vulnerability and risk in project locations where historical closure data is not available and the complex global network-approach...

Flood Defence Nagoya: Multidisciplinary Project

At the Shonai River around Nagoya, Japan, several flood related problems occur. These problems occur at different locations, each with its own problems or limitations. The desired safety level as requested by the government is that the river should be able to have a discharge which has a probability of failure of once in 200 years. At many...

Experimental research on hydrodynamic failure of river bridges on spread footings

Collapse of partially or fully submerged river bridges as a result of river floods is investigated. To this end, post-failure analysis of a bridge in Japan’s Iwate Prefecture that collapsed in 2013 is conducted. Failure of this particular bridge is atypical because piers have also toppled over, which can be attributed to the spread footing...

Transferring inter-disciplinary flood reconstruction responses from Japan to The Netherlands

Japan and the Netherlands have very different physical, historical and cultural contexts but they share a vulnerability to extreme flood related events and have, in both their (relatively) recent pasts, had to recover from such events: be they the floods of 1953 in the Netherlands or the tsunami that hit Japan’s east coast in 2011. This paper...

Predicting Coastal Hazards with a Bayesian Network

Recent and historic events have demonstrated the European vulnerability to coastal floods. Larger and more extreme events in Asia and the Americas have shown the devastating effects that these low-frequency high-impact floods can have. This thesis contributes to the development of an Early Warning System (EWS) for marine coastal hazards. The...