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Stefan Ploum

Stefan W Ploum
I’m a PhD student at Forest Ecology and Management. My supervisors are Hjalmar Laudon, Lenka Kuglerová and Jason Leach. My scientific interest is cold climate hydrology. I have studied at Wageningen University (The Netherlands) and partially in Abisko, northern Sweden. In my spare time I enjoy the outdoor activities in all seasons, such as climbing, cross-country skiing, (wind)surfing and hiking.


In my PhD-project I zoom in to the smallest streams in the boreal forest. By tracing water inputs at the local scale, I try to understand how various terrestrial contributions compile the stream during different seasons. Finding key mechanisms and controls on the local scale will ultimately develope generic understanding of runoff generation in the entire stream network.

In boreal forest, the riparian zone (or near stream area) largely controls stream chemistry. Using the thermal and chemical difference between terrestrial water inputs and the stream, I distinguish which parts of the riparian zone matter most at given times. Just as the weather, this can change in an instant (for example during an extreme event) but there are also seasonal patterns.

A large part of my work revolves around data collection in the forest. The Krycklan Catchment Study is my study area, and in particular one reach within it. Throughout the year I collect groundwater and stream samples, monitor stream temperature and measure snow and frost state.


If you are interested in my work, feel free to contact me or follow me on Researchgate


Non employee at the Department of Forest Ecology and Management; Department of Forest Ecology and Management, joint staff
Telephone: +46907868171
Postal address:
Skogens ekologi och skötsel
901 83 Umeå
Visiting address: Skogsmarksgränd 17, Umeå