Professor Ian Roulstone

Research Interests

My research interests are geometrical fluid mechanics and data assimilation. Further details can be found on my personal web page.

Research Collaborations

I work with:

and I have active research interests in the applications of differential geometry to fluid mechanics:

Further details can be found on my personal web page.


MAT3013 Mathematics of Weather

Departmental Duties

Head of Department and Director of Research


Fellow of the Royal Astronomical Society
Fellow of the Royal Meteorological Society --- Council 2003-06; co-Editor-in-Chief of Quarterly Journal of the Royal Meteorological Society, Oct 2003-Mar 2008. Chair, Publications Committee, October 2006-September 2008.
Member of the London Mathematical Society --- Council 2002-03, Programme Committee 2010 - present


Ian also contributes to The Huffington Post, and some of his articles can be found here

Contact Me

Phone: 01483 68 9638

Find me on campus
Room: 30 AA 04


Recent Publications

  • Roulstone I, Sewell MJ
    Complex contact and lift transformations
    Journal of Geometry and Physics 65:55-65 01 Mar 2013
  • ​Fairbairn D, Pring SR, Lorenc AC, Roulstone I
    A comparison of 4DVar with ensemble data assimilation methods
    Quarterly Journal of the Royal Meteorological Society 2013
  • Roulstone I, Norbury J
    Computing Superstorm Sandy
    Scientific American 309(2):22-22 Aug 2013
  • Wakeling M, Eyre J, Hughes S, Roulstone I
    Assimilation of vertical motion from simulated cloudy satellite imagery in an idealized single column model
    Quarterly Journal of the Royal Meteorological Society 2014
  • Chuter AM, Aston PJ, Skeldon AC, Roulstone I
    A dynamical systems analysis of the data assimilation linked ecosystem carbon (DALEC) models
    Chaos 25(3) 24 Nov 2014
  • Roulstone I, White AA, Clough SA
    Geometric invariants of the horizontal velocity gradient tensor and their dynamics in shallow water flow
    Quarterly Journal of the Royal Meteorological Society 140(685):2527-2534 01 Oct 2014


Roulstone I, Norbury J
Invisible in the Storm: the role of mathematics in understanding weather
346 pages. Princeton University Press, USA 24 Feb 2013

J. Norbury and I. Roulstone (Eds.) Large-scale atmosphere-ocean dynamics: Vol. 1 Analytical methods and numerical models; Vol.2 Geometric methods and models. 734pp., Cambridge University Press. August 2002.

A full list of publications, conference presentations, and patents can be found here.

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