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  3. PhD candidate “Effects of nature-based SALTISolutions on estuarine ecosystem engineering”

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PhD candidate “Effects of nature-based SALTISolutions on estuarine ecosystem engineering”

Sea level rise, drought, subsidence, and dredging of waterways can exacerbate the intrusion of seawater in deltas and estuaries, affecting fresh water …

ongeveer een maand geleden


Drienerlolaan, Enschede, Overijssel
Tijdelijk contract / Tijdelijke opdracht
Uren per week:
40 - 40 uur
€ 2434 - € 3111 per maand


Sea level rise, drought, subsidence, and dredging of waterways can exacerbate the intrusion of seawater in deltas and estuaries, affecting fresh water availability and nature. Within the large NWO-funded research programme SALTISolutions, we aim to gain insight in the mechanisms of salt water intrusion, and to investigate potential measures to mitigate the effects of salinity intrusion, including nature-based solutions.

In this PhD project, which will be an integral part of SALTISolutions, you will study the potential effects of such nature-based solutions on other estuarine services, such as habitat provision (and biodiversity) and safety from flooding, on top of the ability of these measures to mitigate salinity intrusion. The focus is on so-called "ecosystem engineering species" i.e., organisms, such as wetland plants and bivalves, that modify their abiotic environment via their physical structures or activity. You will study the effects of nature-based salinity intrusion measures on the estuarine scale, via the interplay between salinity, hydrodynamics, sediment transport, morphodynamics and ecosystem engineering activity. The main focus will be on contrasting traits of ecosystem engineering species (e.g. dense versus sparse vegetation and smooth versus rough shellfish reefs). You will adopt a combination of numerical hydrodynamic modelling, satellite remote sensing, statistical modelling and available data from field surveys. You will present the results at conferences and write your findings in journal papers and a PhD thesis.

The PhD-project is a collaboration between the Marine and Fluvial Systems (MFS) group at the Department of Civil Engineering of the Faculty of Engineering Technology, and the Department of Water Resources (WRS) of the Faculty of Geo-Information Science and Earth Observation (ITC) of the University of Twente. You will be supervised by a joint team from these two groups.


  • MSc in Civil Engineering and/or Earth Observation or an equivalent programme.
  • Experience with quantitative satellite remote sensing/earth observation and image processing and/or experience with numerical flow models (e.g. Delft3D or equivalent).
  • Proficiency in data analysis, mathematical/numerical/programming skills and statistical modelling (e.g. in Matlab, Python, R).
  • Knowledge of coastal/estuarine systems.
  • Good organizational skills, enthusiastic, independent and problem-solving attitude.
  • Willing to contribute to UT's teaching program and to supervise graduate students.
  • Excellent communication/writing skills, and keen to interact with users and fellow PhD-students and postdocs.
  • Good command of the English language ( IELTS >= 6.5 or equivalent).


  • Four year full-time PhD position, with a qualifier in 6-9 months.
  • Full status as an employee at the UT, including pension and health care benefits.
  • Tailor-made educational program of at least 6 months (30EC), including visits to conferences.
  • A starting salary of €2.434,- gross per month in the first year and a salary of €3.111,- in the fourth year gross per month.
  • A holiday allowance of 8% of the gross annual salary and a year-end bonus of 8.3%.
  • You have to be willing to move to (the vicinity of) Enschede. A relocation allowance or temporary housing allowance may be part of the offer.
  • Minimum of 29 holidays per year in case of fulltime employment.

Additional information

Please upload your application before 16 November 2021 via the 'Apply now' button. Your application should include:
  • a cover letter (emphasizing your specific interest, motivation and qualifications).
  • a detailed CV.
  • an academic transcript of B.Sc. and M.Sc. education with grades obtained, a publication list (if applicable).
  • contact details of 2 referees.
The selection procedure will stop and the project will start as soon as possible after a suitable candidate is found. An (online) interview will be part of the selection procedure; interviews are planned end of November/beginning December 2021.

For more information about the position, you may contact Dr. ir. Bas Borsje (b.w.borsje@utwente.nl, +31 53 489 1094), Prof. dr Daphne van der Wal (d.vanderwal@utwente.nl, +31 53 489 7892) or Prof. dr Suzanne Hulscher (s.j.m.h.hulscher@utwente.nl, +31 53 489 4256).