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Hannu  Nykänen

Hannu Nykänen

Senior Researcher

I am coordinator in research community UEF Water. My previous work was connected to GHG studies and to processes regulating organic matter degradation and carbon and nitrogen flows in natural and experimental systems. This continues partly al...

Department of Environmental and Biological Sciences, Faculty of Science, Forestry and Technology | +358 40 355 3200

My work has been related to emissions of methane, carbon dioxide and nitrous oxide and to processes regulating emissions. Method development related to gas measurement and stable isotope methods (C & N) is also related to my work.
I started in the biogeochemistry research group (now BGC) in 1990. I have studied the greenhouse gas emissions of Finnish naturaql and drained peatlands. I have participated in greenhouse gas balance studies in reservoirs and in projects related to the use of peat and peatlands. I participated in an joint EU project to study greenhouse gas balances in the northern peatlands at Kevo. In 2003, I eventually finalized my PhD thesis about the change in greenhouse balances of natural and drained peatlands. I continued my greenhouse gas balance research on the production of reed canary grass. I have worked as a laboratory manager at the National Institute for Public Health in Kuopio related to the purification of drinking water. I participated in an environmental risk assessment project related to the sudden acidification of a lake with a mining influence. I have been a researcher and teacher at Savonia University of Applied Sciences in Kuopio. In the spring of 2008, I moved to University of Jyväskylä to study lake food webs and biogeochemistry using stable carbon isotopes and carbon dioxide and methane emission measurements. As an academy researcher (2010-2015), I studied the carbon storage in the in oxic and anoxic interfaces. As a spin of from this – application made during unemployment period –  I got personal funding to study fish feed production based on methanotrophs and algae. I worked as university researcher stydying sediment gas production and also was a short period resposible of the IRMS system in BGC-group.  I started as coordinator in research community UEF Water in autumn 2021.


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