On the size and shape of drumlins

A. C. Fowler, M. Spagnolo, C. D. Clark, C. R. Stokes, A. L.C. Hughes, P. Dunlop

Research output: Contribution to journalArticlepeer-review


We provide a mechanistic explanation for observed metrics for drumlins, which represent their sizes and shapes. Our explanation is based on a concept of drumlin growth occurring through a process of instability, whereby small amplitude wave forms first grow as ice slides over a bed of deformable sediments, followed by a coarsening process, in which the wavelength as well as the relief of the drumlins continues to grow. The observations then provide inferences about the growth process itself.

Original languageEnglish
Pages (from-to)155-165
Number of pages11
JournalGEM - International Journal on Geomathematics
Issue number2
Publication statusPublished - 1 Nov 2013


  • Drumlins
  • Instability theory
  • Size and shape


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