At the Department of Meteorology at Stockholm University (MISU), we conduct research and education in an international environment within four main areas: Atmospheric physics, Dynamic meteorology, Physical oceanography and Chemical meteorology. In all these areas there is a strong focus on climate and on processes important for the climate and its development. The department employs some 60 individuals, of which about 25 are scientists, 25 PhD students and 12 work in the administration and the technical support. The department is part of the Bolin Centre for Climate Research that, together with five other departments at the university, covers research of important aspects of the climate system. The department is also a part of the Swedish e-Science Research Centre, where we together with universities develop e-Science tools and infrastructure to promote scientific breakthroughs in climate science.

Project description
The position will be associated with the Horizon2020-funded project FORCeS (Constrained aerosol forcing for improved climate projections). FORCeS strives towards reducing the uncertainty in anthropogenic aerosol forcing, which is crucial for determining the actions needed to reach the Paris Agreement. Stockholm University is coordinating the project, which is a collaboration between 20 European partners.

The overarching goal of the post-doc project is to investigate how an aerosol perturbation propagates to large-scale cloud and climate variables via cloud microphysical properties, and based on this knowledge improve the description of relevant microphysical and dynamical processes in a general circulation model. Previous studies have shown that climate models overestimate the impact of aerosols on cloud properties compared to satellite observations, which could imply that the models give a too strong aerosol anthropogenic forcing estimate. We know that small-scale cloud feedbacks, such as changes in cloud drizzle and entrainment, may explain parts of the discrepancy between observations and large-scale models, but it is not clear how this knowledge should be implemented in models.

Main responsibilities
The main task is to use observations (in-situ and satellite) and Large Eddy Simulations (LES) to understand how an aerosol perturbation affects cloud micro- and macrophysical properties, and to use the LES as a tool to evaluate and improve large-scale model parameterizations. The improved parameterizations will then be implemented in the Earth System Model NorESM and the overall effect on clouds and climate will be evaluated. The work will be done in close collaboration with other FORCeS partners.

Qualification requirements
Postdoctoral positions are appointed primarily for purposes of research. Applicants are expected to hold a Swedish doctoral degree or an equivalent degree from another country in meteorology, oceanography, climate science or in a related field.

Assessment criteria
The degree should have been completed no more than three years before the deadline for applications. An older degree may be acceptable under special circumstances, which may involve sick leave, parental leave, clinical attachment, elected positions in trade unions, or similar.

Applicants with an older degree are welcome to apply. This kind of candidate will be offered another form of employment, full-time for a maximum of two years, with the possibility of extension.

In the appointment process, special attention will be given to research skills. The assessment is based on previous research experience within the general area of the announced position. Doctoral candidates may apply for the position if they expect to receive the PhD degree before the starting date of the position.

The applicant should have excellent knowledge of both oral and written English.

Terms of employment
The position involves full-time employment for a maximum of two years, with the possibility of extension. Starting date during autumn 2019 or as per agreement.

Stockholm University strives to be a workplace free from discrimination and with equal opportunities for all.

Contact
Further information about the position can be obtained from Prof. Annica Ekman, telephone: +46 8 16 23 97, annica@misu.su.se.

Union representatives
Ingrid Lander (Saco-S), telephone: +46 708 16 26 64, saco@saco.su.se, Alejandra Pizarro Carrasco (Fackförbundet ST/Lärarförbundet), telephone: +46 8 16 34 89, alejandra@st.su.se, and seko@seko.su.se (SEKO).

Apply for the position at the Stockholm University webpage