Unravelling Twitter chaos during a policy crisis: Applying Sentiment Analysis and Topic Modelling to Tweets about the Dutch Nitrogen Crisis

In May 2019, the Dutch Council of State rejected the national approach for reducing nitrogen emissions in Dutch nature. Farmers were targeted by the policy change: all licenses for agricultural expansion were revoked, affecting the financial livelihoods of farmers. Farmers did not take this well and, using social media platforms, started...

Risk Management in Dike Reconstruction: Risk Framework and Application

The Netherlands which means “lowlands”, constitutes an area of approximately 41,528 km2. Almost half of those areas are below the sea level. Today, more than 2,400 kilometres of dikes shields the sunken-flat land. Regular safety assessment of the dikes are constantly conducted, and the evaluation determines whether planning or dike...

Spatial variation in dike safety management for uplift

Development of a systematic approach to include the spatial information of point measurements.

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...

Levees and levee evaluation, the Dutch and US practice compared

After Katrina flooded New Orleans, California was identified as the next area where such a major disaster could happen. Situated between the Sierra Nevada and coastal mountain ranges Californias Central Valley is characterized by its flatness and dominated by agriculture as well as large cities as Sacramento. The Sacramento River and San Joaquin...

Betrouwbaarheidsanalyse van dijken