PhD AquaNano
End procedure 6 June 2011
Job description
A PhD 'Aqua Nano'. The increased use of nanotechnology is expected to cause an increased emission of nanoparticles (NP) into aquatic ecosystems. Modelling the fate of NPs in aquatic ecosystems is required for prospective risk assessment of NPs. Water quality models, however, are not yet fit to accommodate the behaviour of NPs. Typical particle transport models lack process descriptions for colloid collision and aggregation. This FES-HTSM funded project is part of the national NanoNext program and aims at adapting and developing water quality models to simulate the fate of NPs. This includes mass balance model scenario studies covering CNP emissions, transport, and distribution between the major environmental compartments. Scenario studies will also include implications of NP presence on the fate of traditional contaminants (hydrophobic chemicals, trace metals). Focus will be on aquatic environments (ditch, river, lake, catchment), water column interactions and sediments as endpoints for NP bioaccumulation. Uncertainty analysis and sensitivity analyses will identify the most critical parameters and will quantify the accuracy of model results. The project will reveal which NPs are most relevant for the aquatic environment, and what their anticipated environmental concentrations are. Simulation results will be evaluated against field and laboratory data. Modelling will be performed with the integrated water quantity-quality model DUFLOW or similar platforms.
Requirements
an enthusiastic candidate with the following background:
• Master degree in Hydrology, Physical Chemistry, Physics or Environmental Sciences, with strong emphasis on system modelling
• Proven experience in research on particle - water interactions and physical processes
• Proven experience with modeling platforms (preferrably DUFLOW, Matlab, or similar tools)
• Experience with nanomaterial science will be an advantage
• Fluent English writing skills
• Well-developed communication skills
• Team-player
Conditions of employment
A full-time position (38 hours), initially for 18 months after which a go/no go decision will be taken on extension with another 30 months.
Gross salary per month € 2.042 in the first year rising to € 2.612 per month in the fourth year, for a fulltime appointment. The PhD research will lead to a PhD degree of Wageningen University, the Netherlands.
Information about the vacancy
can be obtained by Prof. Bart Koelmans (bart.koelmans@wur.nl)
Contract type
Organisation
The Aquatic Ecology and Water Quality Management (AEW) group and are part of the Environmental Sciences Group of Wageningen UR. The central issues of our group are: the physical-chemical quality of fresh waters and sediments, the impact of water quality on human use of surface water, the ecological function of lakes and rivers, modeling the fate and effects of substances and ecosystem relations. Wageningen University and Research centre
Delivering a substantial contribution to the quality of life. That's our focus – each and every day. Within our domain, healthy food and living environment, we search for answers to issues affecting society – such as sustainable food production, climate change and alternative energy. Of course, we don't do this alone. Every day, 6,500 people work on 'the quality of life', turning ideas into reality, on a global scale.
Acquisition regarding this vacancy is not appreciated.
Additional information
Prof. Bart Koelmans (bart.koelmans@wur.nl)More information about employer Wageningen UR (University & Research centre) on AcademicTransfer. Direct link to this job opening: www.academictransfer.com/9842
http://id-scholarships.blogspot.com/
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