We are looking for a motivated and enthusiastic Postdoctoral Researcher to work on the development of management, economic and climate scenarios for predictive modelling of land subsidence and its impacts in The Netherlands. This position is within the framework of the joint NWA-ORC-programme (NWA=Dutch Research Agenda, ORC=Research Along Routes by Consortia) ‘Living on Soft Soils: Subsidence & Society’ project of Utrecht University, Delft University of Technology, Wageningen University and Research, Deltares Research Institute, TNO Geological Survey of the Netherlands, and Wageningen Environmental Research. Modelling results will be used to develop action perspectives to mitigate land subsidence and its negative impacts.
In The Netherlands land subsidence is a continuously ongoing process due to:
- drainage of peatlands and areas reclaimed from the sea;
- expansion of built-up areas; and
- the infrastructural network on soft soil, salt mining and gas extraction.
An increasing number of people and economic assets are exposed to subsidence and damage costs are soaring. Moreover it gives rise to serious safety issues due to increased flood risks and in case of subsidence as a result of peat oxidation – causes considerable greenhouse gas emissions which will further contribute to climate change. In some areas tipping points have already been reached, where current land use can no longer be maintained without considerable costs, underlining the urgency to take action. The threat of land subsidence, the knowledge hiatus on process-interplays causing it, and lacking mid- to long-term coping strategies, ask for an integrated research programme that addresses the issue of land subsidence in a holistic way. Hereby insights about physical-chemical-biological system functioning, the societal impact evaluation and implementation of measures as well as an assessment of their governance and legal implications co-evolve. The overall aim of this programme is to develop an integrative approach to achieve feasible, legitimate and sustainable solutions for managing the negative societal effects of land subsidence in The Netherlands, connecting fundamental research on subsidence processes to socio-economic impact of subsidence and to governance and legal framework design.
The 6-year programme is now entering its third year and integration of the output of our five work packages is on its way, in which you, in a postdoc position, have a central role. Currently, 11 PhD candidates and 3 postdocs are working on measuring techniques, process understanding, impacts, measures, governance approaches and the legislative framework. Currently, within the framework of this project we are also recruiting a postdoctoral researcher (3 years, 0.8-1.0 FTE) to work on the implementation of a spatial numerical modelling system to perform scenario-based forecasting of land subsidence and its associated damage (See: Postdoctoral Researcher on Predictive Land Subsidence Modelling and its Impacts in The Netherlands
). Close collaboration with this postdoc researcher is foreseen.
As a postdoc you translate measures to mitigate land subsidence and its negative impacts into model scenarios and inputs and to make scenarios, model outputs and underlying datasets and -products (e.g. maps) accessible for different groups of knowledge-users. Potential mitigation measures and their performance are investigated in work package 3 (Impact analysis of land subsidence) and 4 (Measures and governance approaches to cope with land subsidence) and consider both the built-up
and agricultural area and a combination of technical, governance-related and legal measures. Scenario development (via back casting) requires understanding of the measures and their effects and inputs for land subsidence modelling and societal cost-benefit modelling at local and regional spatial scales. Measures, measure performances and future end members are taken in from work packages 3, 4 and 5 (Knowledge utilisation) and input derived from programme partners such as regional water authorities. Together with the PhD candidate who carries out the societal cost-benefit analysis (SCBA) and the PhD candidate developing damage assessment functions for buildings, input values will be determined to implement the scenarios in the SCBA model, including damage calculation. Scenarios, input parameter values (e.g. in the form of geographical datasets; groundwater level, subsurface properties, land use, building density, foundation type), prepared in close collaboration with the postdoc researcher who will be working on the predictive land subsidence modelling and information products for knowledge-users are the main outputs of this project.
The project will be executed in the Delta Evolution and Subsurface Processes group (prof. dr. Stouthamer, dr. Erkens) and Global Change Geomorphology group (dr. Cohen), Faculty of Geosciences, Utrecht University in close collaboration with Wageningen University and Research, Delft University of Technology, Deltares Research Institute, TNO – Geological Survey of The Netherlands and WENR. Intensive cooperation with PhD candidates and research staff of the NWA-LOSS consortium partners is foreseen. Various national and international networks supporting land subsidence science exist of which the postdoc researcher will be part.