Filip Hjulström

Henning Filip Hjulström (6 October 1902 – 26 March 1982) was a Swedish geographer. Hjulström was professor of geography at Uppsala University from 1944, and in 1949, when the subject of geography was split, he became professor of Physical Geography.

Filip Hjulström
Filip Hjulström (left) and Åke Sundborg, 1957.
Born(1902-10-06)6 October 1902
Lungsund
Died26 March 1982(1982-03-26) (aged 79)
Uppsala
NationalitySwedish
CitizenshipSweden
Known forProcess geomorphology
Hjulström curve
AwardsVega Medal (1970)
Scientific career
FieldsGeomorphology
InstitutionsUppsala University
Doctoral studentsValter Axelsson
John O. Norrman
Anders Rapp
Åke Sundborg

Filip Hjulström's doctoral thesis, "The River Fyris", contained one of the first quantitative studies of geomorphological processes ever published. It was a study of sediment transport and soil erosion in the drainage area of the river Fyrisån, based on a daily water sample that he took as he passed on the way to the department, and analyzed for suspended sediment content. His students followed in the same vein, making quantitative studies of mass transport (Anders Rapp), fluvial transport (Åke Sundborg), delta deposition (Valter Axelsson), and coastal processes (John O. Norrman). This developed into "the Uppsala School of Physical Geography".[1]

Hjulström is most known for creating the Hjulström curve, which describes the thresholds for erosion and deposition of particles in running water. [2]

Family

Hjulström's son Lennart Hjulström went on to become a notable Swedish actor that had two children with Ulla (née Söderdal), Niklas Hjulström and Carin Hjulström, also actors. Lennart also had a child, Hannah Nyroos with his current wife, Gunilla Nyroos, an actress.

gollark: Oh yes, I heard of that.
gollark: It lets you parameterize modules over types, or something confusing like that.
gollark: ~~copy rust's in its entirety~~
gollark: > if you want a scope in which there are functions in C, just create a file and pepend static to your functionæ.
gollark: > or crates or whatever it calls themCrates are packages. Modules are modules.

References
  1. Gregory, KJ, 1985: "The Nature of Physical Geography", E. Arnold
  2. Hjulström's Diagram. Idaho State University
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