PostDoc Position “Sea ice geometry (IceScan project)” (m/f/d)

☞ Alfred-Wegener-Institut für Polar- und...

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Día de actualización: 24-10-2024

Ubicación: Bremerhaven Bremen

Categoría: Consultoría / Servicio al cliente

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The Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (AWI) is a member of the Helmholtz Association (HGF) and funded by federal and state government. AWI focuses on polar and marine research in a variety of disciplines such as biology, oceanography, geology, geochemistry and geophysics thus allowing multidisciplinary approaches to scientific goals.


PostDoc Position “Sea ice geometry (IceScan project)” (m/f/d)
Background
TheMOSAiC project (Multidisciplinary drifting Observatory for the Study of the Arctic Climate) provided the first year-long, high-resolution dataset of sea-ice draft derived from multibeam sonar in combination with co-located airborne surface topography mapping and enables detailed studies of the evolution of sea ice geometry both at the surface and underside. This includes the evolution and melting of sea ice and particularly the full life cycle of pressure ridges, as well as direct and indirect effects of sea-ice bottom topography on the underlying ocean, and different remote sensing methods. The position is funded through the IceScan project, financed by the German Federal Ministry of Education and Research (BMBF).

The project uses multibeam sonar data from a remotely operated vehicle (ROV) to investigate the growth and melt of Arctic sea ice. Results will show the impact of sea ice geometry on sea ice properties, geophysical processes as well as on the climate and ecosystem. The Postdoc shall approach the theme by analyzing the existing multibeam data from the MOSAiC field campaign in 2019/20. The candidate is expected to work self-reliably as the responsible scientist for managing the project, its deliverables and work in the network of collaborators.
Tasks
You will
  • Investigate sea-ice growth and melt processes on the basis of the generated datasets. This also includes investigations of the optical properties of the variable ice cover and effects of the three-dimensional structure
  • Process and filter the acquired multibeam sonar datasets of under-ice topography to achieve a high spatial resolution and accuracy. This will yield digital topography models and maps of acoustic backscatter of the sea ice bottom
  • Co-locate the dataset with airborne laser scanner maps of sea ice surface topography to enable analysis of the seasonal evolution of the full three-dimensional geometry of the MOSAiC floes.
  • Evaluate the relation of retrieved ice draft distributions and three-dimensional ridge structures to electromagnetic-induction sounding and drillhole measurements of ice thickness.
  • Publish the big dataset to make it available to project and external scientist for all kinds of analysis.
  • Publish the results in scientific journals


Requirements
  • PhD or equivalent degree in physics, geophysics, geodesy, hydrography or a related field
  • Experience in scientific programming
  • Handling and analyzing of large sets of observational data
  • Good English communication skills

Advantageous skills and knowledge
  • Experience in polar and/or sea ice processes
  • Experience in multi-beam sonar data set processing
  • Experience with data sets from remotely operated or autonomous underwater vehicles


Further Information
For further information, please contact Dr. Christian Katlein (Christian.Katlein@awi.de, +49(471)4831-2908) or Dr. Marcel Nicolaus (Marcel.Nicolaus@awi.de, +49(471)4831-2905).

This full-time position is limited to 31 October 2024 and subject to approval of funding. It is also suitable for part-time employment. The salary will be paid in accordance with the Collective Agreement for the Public Service of the Federation (Tarifvertrag des öffentlichen Dienstes, TVöD Bund), up to salary level 13. The place of employment will be Bremerhaven.

Postdocs have to register with AWI’s postdoc office PROCEED, thereby gaining access to a set of tailor-made career development tools.

The AWI is characterised by
  • our scientific success - excellent research
  • collaboration and cooperation - intra-institute, national and international, interdisciplinary
  • opportunities to develop – on the job, aiming at other positions and beyond AWI
  • a culture of reconciling work and family – an audited and well-supported aspect of our operation
  • our outstanding research infrastructure – ships, stations, aircraft, laboratories and more
  • an international environment – everyday contacts with people from all over the world
  • having an influence – fundamental research with social and political relevance
  • flat hierarchies – facilitating freedom and responsibility
  • exciting science topics, with opportunities also in technology, administration and infrastructure

Equal opportunities are an integral part of our personnel policy. The AWI aims to increase the number of female employees and therefore strongly encourages qualified women to apply.

Disabled applicants will be given preference when equal qualifications are present.

The AWI fosters the compatibility of work and family in various ways and has received a number of awards as a result of this engagement.

We look forward to your application!
Please submit your application by September 27th2021,exclusively online.
Reference number 21/164/D/Kli-b.
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Plazo: 08-12-2024

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