Johan Martinsson

Johan Martinsson

Postdoctoral Fellow

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Personal profile


Current work and research

I am a participating researcher and deputy project manager in the project "Restoration of radioactive contaminated areas - Optimized methods for decontamination in Sweden". The project is financed by the Swedish Civil Contingencies Agency (MSB) and runs from 2018 to 2021. Project participants are Medical Radiation Physics at Lund University (PI), Medical Radiation Physics at Gothenburg University, Institute of National Economics and Statistics at Gothenburg University and Department of Humanities at Örebro University.

I am also the principal investigator of radionuclide mobility and transport during forest fire events. The project runs from 2020-2022 and is financed by The Royal Swedish Academy of Sciences and The Royal Physiographic Society of Lund.

Finally, I am responsible of the functional capacity of the local radiation emergency laboratory, financed by the Swedish Radiation Protection Agency (SSM).


I recieved my PhD in Environmental Science in 2017 with the thesis: Development and Evaluation of Methods in Source Apportionment of the Carbonaceous Aerosol. During my PhD studies I mainly worked with optimization of high time resolution optical techniques for source apportionment of ambient carbonaceous aerosol. I also explored the applicability of radiocarbon (14C), stable carbon isotopes (13C) and chemical tracers for source apportionment purposes. 

Prior to my PhD position I worked as water conservation officer at the county administrative board of Kronoberg (2012-2013). I worked with data analysis on historic concentrations of mercury in lake biota such as perch (Perca fluviatilis) and pike (Esox lucius). I also performed spatial inventories of the regional population of the noble crayfish (Astacus astacus), freshwater springs and heavy metal abudance in near-freshwater soils.

Further, I have a BSc in environmental science (2011) focusing on water conservation and freshwater ecosystems. My bachelor project was about how size dependent fecundity in the signal crayfish (Pacifastacus leniusculus) could be used to develop more a sustainable fishery. MSc in biology (2012) with similar focus as in my BSc. My master project was focusing on how partial migratory strategies in roach (Rutilus rutilus) affected fecundity in residential and migratory fish. 


Since 2012 I've been involved in teaching in the following courses:

  • Hydrology and aquatic ecology (VVR111)
  • Thermodynamics and atomic physics (FAFA35)
  • Energy and environmental physics (FAFA20/FAFA15)
  • Environmental physics (FYSA15)
  • Environmental monitoring (MVEN06)
  • Radioecology and radiation protection (MSFM11)

UKÄ subject classification

  • Natural Sciences


  • Carbon cycle
  • Aerosol Science
  • Radiation
  • Radioecology
  • Decontamination
  • Environmental science
  • Climate change


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