Doctoral student in Environmental Science
Linnéuniversitetet / Hälsoskyddsjobb / Kalmar
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https://lnu.se/en/meet-linnaeus-university/work-at-the-university/?rmpage=job&rmjob=7288&rmlang=UKThe Department of Biology and Environmental Science is part of the Faculty of Health and Life Sciences. The research activities within this multidisciplinary department include the areas of aquatic ecology, cell and organism biology, evolutionary biology, microbiology, environmental science and environmental engineering as well as disease ecology.
Field of subject for the appointment: Environmental science
Admission subject: Employment as a doctoral student with the final goal of a doctoral degree is time-limited according to HF ch. 5 § 7. The total period of employment must not be longer than what corresponds to full-time postgraduate education for four years.
Placement city: Kalmar, Sweden
Job description
The Baltic Sea is considered a key region or a "time machine" to understand future coastal ocean owing to its unique anthropogenic interference, ecosystem deterioration, and implementation of mitigation actions. Anthropogenic interference includes, for instance, the deposition of organic-rich materials sourced from the paper industry in Sweden, the so-called fiber-banks. Considerable amounts of organic matter deposition are also linked to human-induced eutrophication and deoxygenation of the Baltic Sea waters. The surplus of organic matter alters biogeochemical cycles that ultimately affect methane generation and consumption in sediments. Several lines of evidence suggest that biogeochemical cycles will also be affected by climate change and warming of Baltic Sea waters but there is a high degree of uncertainty about the impacts on the methane cycling. Temperature will increase methane generation, for instance, but will also favor its anaerobic oxidation via sulphate reduction, which is one of the most important oxidative processes in sediments. A better understanding of these phenomena in the context of climate change will help to constrain the potential release of methane from sediments to the water (and potentially to the atmosphere), which may result in further aggravation of climate change and anoxia, and acidification of seawater. Another example of anthropogenic interference in the Baltic Sea includes the deposition of microplastics in sediments. Although their impact on life is still poorly understood, their ubiquitous occurrence rises environmental concern. Microplastics impacts on microbiology and biogeochemistry cycles is still mostly unknown.
The Ph.D. project will focus on the understanding of human-induced changes in fundamental biogeochemical processes occurring in Baltic Sea sediments, mainly with regards to methane production and the deposition of anthropogenic pollutants such as microplastics. We will include potentially three study areas in the project: (1) fiber-bank deposits in estuaries, but also lakes and eventually open sea for comparison (organic matter effects), (2) a costal bay artificially warmed for 50 years with cooling waters of a powerplant (warming effects), and (3) highly-eutrophicated offshore sediments (organic matter effects). In addition to organic matter and warming forcing, other types of anthropogenic interferences may be included in the work and study areas described above, such as microplastics, and metal and organic pollutants. The project will include fieldwork, laboratory and/or numerical modelling work in Sweden and/or abroad.
According to the Higher Education Ordinance a person appointed to a doctoral studentship should primarily devote himself/herself to his/her own studies. An appointee may, however, work to a limited extent with education, research, artistic development, and administration. However, before a doctoral degree has been awarded, duties of this kind may not comprise more than 20% of a full-time post.
Requirements
A person fulfils the general entry requirements if they:
• have been awarded a degree on second-cycle level (biology, geology, environmental science), completed the requirements for courses comprising at least 240 credits, of which 60 credits on second-cycle level, or in another way, in Sweden or abroad, has acquired principally equivalent knowledge.
Assessment grounds
• Ability to express oneself in English, both verbally and in writing.
• Experience in research within the field of environmental science, particularly experience in analyzing microplastics or gases in sediment.
• Experience of:
• Fieldwork techniques of relevance to the project (water sampling, sediment coring and processing, porewater and gas sampling).
• Laboratory techniques of relevance to the project (chemical analyses of sediment and pore water, microplastic and other particle separation from sediment, gas composition and isotopic analyses).
• Study and sampling design
• Statistical theory and approaches
• R language, and other computing tools (SPSS, SigmaPlot, etc.)
For more information, please contact:
Head of Department Professor Jonas Waldenström (
jonas.waldenstrom@lnu.se), +46-(0)480-446195, Professor Marcelo Ketzer (
marcelo.ketzer@lnu.se), +46(0)480-447310, Personnel Officer Marianne Palmér (
marianne.palmer@lnu.se), +46-(0)480-447303
Welcome with your application no later than April 30, 2023.
The application should be in English and contain a CV (with the applicant's phone number and e-mail, as well as contact details including phone number and e-mail of two reference persons), a cover/motivation letter, documentation of exams and grades, copy of passport as well as any other documentation that the applicant wishes to present. The cover letter (1-3 pages) should contain your expectations from, and intention with the Ph.D.-education. Please describe why you are interested in the specific scientific project that has been described above. You should also provide details on how your background and experience is relevant for the scientific project described above.
Ersättning Individuell lönesättning
Så ansöker du Sista dag att ansöka är 2023-04-30
Klicka på denna länk för att göra din ansökan Omfattning Detta är ett heltidsjobb.
Arbetsgivare Linnéuniversitetet (org.nr 202100-6271),
http://www.lnu.se Jobbnummer 7633076
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