[1] She is a professor of physical oceanography at the University of Gothenburg and co-chair of the Southern Ocean Observing System.

Wåhlin is a Professor of Physical Oceanography at the Department of Marine Sciences, University of Gothenburg.

Specifically her research investigates several aspects of dynamics of polar seas including physical oceanography, ocean circulation, topographic effects, ice shelf melt processes and air-sea-ice interaction.

[2][3] She is an associate editor of the journal, Advances in Polar Science[9] and was a member of IOW scientific advisory board (2016-2019).

Wåhlin's awards include being a Fulbright Scholar (2007-2008),[10] receiving a Crafoord Research Stipend from the Swedish Royal Academy of Science (2010)[11] and being a SCAR visiting professor (2013).