Dr. Adam H. Monahan 

Professor
School of Earth and Ocean Sciences
University of Victoria
PO Box 3065 STN CSC
Victoria BC V8W 3V6 
Canada

Room A433 Bob Wright Centre

Tel: (250) 472 5075
Fax: (250) 472 4030

email: monahana "at" uvic.ca


Member of the University of Victoria Climate Group .

Research Interests

Current Post-Doctoral Fellows and Research Associates

Current Graduate Students

Current Honours Students

Former Graduate Students

Courses Taught

Publications

    Variability and Predictability of Surface Winds

  1. Optis, M., A.H. Monahan, and F. Bosveld: Moving beyond Monin-Obukhov similarity theory in modelling wind speed profiles in the stable lower atmospheric boundary layer, Boundary Layer Meteor., submitted.
  2. Rees, T. and A.H. Monahan: A general numerical method for analyzing the linear stability of stratified parallel shear flows , J. Atmos. Oc. Tech. , submitted.
  3. Thompson, W.F., A.H. Monahan, and D. Crommelin: Parametric estimation of the stochastic dynamics of sea surface winds, J. Atmos. Sci. , in press.
  4. Fajber, R., A.H. Monahan, and W.J. Merryfield: At what time of day do daily extreme near surface wind speeds occur?, J. Climate , in press.
  5. Monahan, A.H.: Wind speed probability distribution, Encyclopedia of Natural Resources, in press, 2014.
  6. He, Y., A.H. Monahan, and N.A. McFarlane: Diurnal variations of land surface wind speed probability distributions under clear-sky and low-cloud conditions , Geophys. Res. Lett. , 40 , doi:10.1002/grl.50575, 2013.
  7. Sun, C. and A.H. Monahan: Statistical downscaling prediction of sea surface winds over the global ocean, J. Climate , 26, 7938-7956, 2013.
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  8. Culver, A.M.R. and A.H. Monahan: The statistical predictability of surface winds over Western and Central Canada, J. Climate , 26 , 8305-8322, 2013.
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  9. Monahan, A.H.: The Gaussian predictability of wind speeds, J. Climate , 26 , 5563-5577, 2013.
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  10. Monahan, A.H.: Temporal autocorrelation structure of sea surface winds, J. Climate, 25 , 6684-6700, 2012.
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  11. He, Y., N.A. McFarlane, and A.H. Monahan: The influence of boundary layer processes on the diurnal variation of the land surface wind speed probability distribution. J. Climate , 25 , 6441-6458, 2012.
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  12. van der Kamp, D., C. Curry, and A.H. Monahan: Statistical downscaling of historical monthly mean winds over a coastal region of complex terrain. II: Predicting wind components. Clim. Dyn., 38 , 1301-1311, 2012.
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  13. Curry, C., D. van der Kamp, and A.H. Monahan: Statistical downscaling of historical monthly mean winds over a coastal region of complex terrain. I: Predicting wind speed. Clim. Dyn. , 38 , 1281-1299, 2012.
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  14. Monahan, A.H: Can we see the wind? Statistical downscaling of historical sea surface winds in the Subarctic Northeast Pacific. J. Climate , 25 , 1511-1528, 2012.
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  15. Monahan, A.H., Y. He, N. McFarlane, and A. Dai: The probability distribution of land surface wind speeds. J. Climate 24, 3892-3909, 2011.
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  16. Monahan, A.H.: The probability distribution of sea surface winds: Effects of variable surface stratification and boundary layer thickness. J. Climate , 23 , 5151-5162, 2010.
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  17. He, Y., A.H. Monahan, C.G. Jones, A. Dai, D. Caya, S. Biner, and K. Winger: Land surface wind speed probability distributions in North America: Observations and regional climate model evaluations. J. Geophys. Res. , 115 doi:10.1029/2008JD01708, 2010.
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  18. Monahan, A.H.: Probability distribution of sea surface wind stresses , Geophys. Res. Lett. , 34 , L05704, 2008. doi:10.1029/2007GL032268.
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  19. Monahan, A.H.: Empirical Models of the Probability Distribution of Sea Surface Wind Speeds , J. Climate , 20, 5798-5814, 2007.
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  20. Monahan, A.H.: The Probability Distribution of Sea Surface Wind Speeds. Part II: Dataset Intercomparison and Seasonal Variability , J. Climate , 19 , 521-534, 2006.
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  21. Monahan, A.H.: The Probability Distribution of Sea Surface Wind Speeds. Part I: Theory and SeaWinds Observations , J. Climate , 19 , 497-520, 2006.
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  22. Monahan, A.H.: Stochastic Dynamics of Sea Surface Winds . Proceedings, Workshop on Representation of Sub-Grid Processes Using Stochastic Dynamic Models, ECMWF, 6-8 June 2005.
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  23. Monahan, A.H., Low-frequency variability of the statistical moments of sea-surface winds , Geophys. Res. Lett. , 31, doi:10.1029/2004GL019599, 2004.
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  24. Monahan, A.H.: A Simple Model for the Skewness of Global Sea-Surface Winds . J. Atmos. Sci., 61 2037-2049, 2004.
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    Large-Scale Atmospheric Variability

  25. Bruce, L. and A.H. Monahan: A kinematic examination of zonal mean geopotential variability. Atmosphere-Ocean , submitted.
  26. Froyland, G., N. Santitissadeekorn, and A.H. Monahan: Transport in time-dependent dynamical systems: Finite-time coherent sets. Chaos , 20 , 043116, 2010.
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  27. Santitissadeekorn, N., G. Froyland, and A. Monahan: Optimally coherent sets in geophysical flows: A new approach to delimiting the stratospheric polar vortex . Phys. Rev. E , 82 , 056311, 2010.
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  28. Monahan, A.H. and J.C. Fyfe: How Generic Are Dipolar Jet EOFs? . J. Atmos. Sci. , 66 , 541-551, 2009.
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  29. Monahan, A.H. and J.C. Fyfe: On Annular Modes and Zonal Jets , J. Climate , 21, 1963-1978, 2008.
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  30. Teng, Q., J.C. Fyfe, and A.H. Monahan: Northern Hemisphere Circulation Regimes: Observed, Simulated, and Predicted , Clim. Dynamics , 28 867-879, 2007.
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  31. Monahan, A.H. and J.C. Fyfe, On the Nature of Zonal Jet EOFs , J. Climate , 19, 6409-6424, 2006.
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  32. Teng, Q., A.H. Monahan, and J.C. Fyfe: Effects of Time Averaging on Climate Regimes. Geophys. Res. Lett. , 31 , doi:10.1029/2004GL020840, 2004.
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  33. Monahan, A.H., J.C. Fyfe, and L. Pandolfo: The vertical structure of wintertime climate regimes of the northern hemisphere extratropical atmosphere , J. Climate , 16 , 2005-2021, 2003.
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  34. Monahan, A.H., L. Pandolfo, and J.C. Fyfe: The preferred structure of variability of the Northern Hemisphere atmospheric circulation , Geophys. Res. Lett. , 28 , 1019-1022, 2001.
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  35. Monahan, A.H., L. Pandolfo: Meridional localisation of planetary waves in stochastic zonal flows , J. Atmos. Sci. , 58 , 808-820, 2001.
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  36. Monahan, A.H., L. Pandolfo, and P. Imkeller: Stochastic Confinement of Rossby Waves by Fluctuating Eastward Flows . Stochastic Climate Models, Birkhauser, 2001.
    abstract
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  37. Imkeller, P., A. H. Monahan, and L. Pandolfo: Some Mathematical Remarks Concerning the Localization of Planetary Waves in a Stochastic Background Flow . Stochastic Climate Models, Birkhauser, 2001.
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  38. Monahan, A.H, J. Fyfe, and G. Flato: A Regime View of Northern Hemisphere Atmospheric Variability and Change under Global Warming, Geophys. Res. Lett. , 27, 1139-1142, 2000.
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    Stochastic Dynamics of the Meridional Overturning Circulation

  39. Alexander, J. and A.H. Monahan: Non-normal perturbation growth of pure thermohaline circulation using a 2-D zonally averaged model , J. Phys. Oceanogr., 39 , 369-389, 2009.
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  40. Monahan, A.H., J. Alexander, and A.J. Weaver: Stochastic models of the meridional overturning circulation: Timescales and patterns of variability, Phil. Trans. Roy. Soc. A , 366, 2527-2544, 2008.
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  41. Monahan, A.H.: Lyapunov exponents of a simple stochastic model of the thermally and wind-driven ocean circulation , Dyn. Atmos. Ocean. , 35 , 363-388, 2002.
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  42. Monahan, A.H.: Correlation effects in a simple stochastic model of the thermohaline circulation , Stochastics and Dynamics, 2, 437-462, 2002.
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  43. Monahan, A.H.: Stabilisation of climate regimes by noise in a simple model of the thermohaline circulation , J. Phys. Oceanogr., 32, 2072-2085, 2002.
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  44. Monahan, A.H., Timmermann, A., and Lohmann, G.: Comments on ``Noise-induced transitions in a simplified model of the thermohaline circulation'' J. Phys. Oceanogr. , 32, 1112-1116, 2002.
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    Stochastic Climate Models

  45. Monahan, A.H. and J. Culina: Stochastic Averaging of Simple Climate Models, J. Climate , 24 , 3068-3088, 2011.
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  46. Culina, J., S. Kravtsov, and A.H. Monahan: Stochastic parameterization schemes for use in realistic climate models. J. Atmos. Sci. 68 , 284-299, 2011.
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  47. Imkeller, P. and A.H. Monahan: Conceptual stochastic climate models , Stochastics and Dynamics, 2, 311-326, 2002.
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    Upper-Ocean/Planktonic Ecosystem Dynamics

  48. Healey, K., A.H. Monahan, and D. Ianson: Perturbation dynamics of a planktonic ecosystem . J. Mar. Res. , 67 637-666, 2010..
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  49. Monahan, A.H. and K. Denman: Impacts of atmospheric variability on a coupled upper-ocean/ecosystem model of the subarctic Northeast Pacific , Global Biogeochemical Cycles, 18 , doi:10.1029/2003GB002100, 2004.
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    High-Latitude Climate Variability

  50. Godlovitch, D., A.H. Monahan, and G. Flato. An idealised stochastic model of sea ice thickness dynamics. Cold Reg. Sci. Tech. , in press.
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  51. Godlovitch, D., R. Illner, and A.H. Monahan. Smoluchowski coagulation models of sea ice thickness distribution dynamics. J. Geophys. Res. , 116 , 2011.
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  52. Merryfield, W.J., M.M. Holland, and A.H. Monahan: Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent. AGU Monograph, "Arctic Sea Ice Decline", pp. 151-174, 2008.
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  53. Kuhlbrodt, T. and A.H. Monahan: Stochastic stability of open-ocean deep convection, Journal of Physical Oceanography, 33 , 2764-2780, 2003.
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    Low-Latitude Climate Variability

  54. Monahan, A.H. and A. Dai, The spatial and temporal structure of ENSO nonlinearity . J. Climate, 17 3026-3036, 2004.
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  55. Monahan, A.H.: Nonlinear principal component analysis: Tropical Indo-Pacific sea surface temperature and sea level pressure, J. Climate , 14 , 219-233, 2001.
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  56. Tang, B, Hsieh, W.W., Monahan A.H., and Tangang, F.T. : Skill comparisons between neural networks and canonical correlation analysis in predicting the Equatorial Pacific sea surface temperatures. J. Climate , 13 , 287-293, 2000.
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  57. Tangang, F.T., B. Tang, A.H. Monahan, W.W. Hsieh: Forecasting ENSO events: a neural network approach. J. Climate , 11 , 29-41, 1998.
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    Multivariate Statistics in Climate Diagnostics

  58. Monahan, A.H., J.C. Fyfe, M.H.P. Ambaum, D. Stephenson, and G.R. North: Empirical orthogonal functions: The medium is the message , J. Climate , 22 , 6501-6514, 2009.
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  59. Monahan, A.H. and T. DelSole: Information theoretic measures of dependence, compactness, and non-Gaussianity for multivariate probability distributions, Nonlin. Proc. Geophys., 16 , 57-64, 2009.
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  60. Monahan, A.H. and J.C. Fyfe: Comment on "The shortcomings of nonlinear principal component analysis in identifying circulation regimes", J. Climate , 20 , 374-377, 2007.
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  61. Monahan, A.H.: Nonlinear principal component analysis of climate data . PhD Thesis, University of British Columbia, 159 pp, 2000.
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  62. Monahan, A.H.: Nonlinear principal component analysis by neural networks: Theory and application to the Lorenz system , J. Climate , 13 , 821-835, 2000.
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  63. Monahan, A.H., F.T. Tangang, and W.W. Hsieh: A potential problem with extended EOF analysis of standing wave fields. Atmosphere-Ocean , 37 , 241-254, 1999.
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    Miscellaneous

  64. Monahan, A.H.: The mathematics of climate modelling. Pi in the Sky, 14, 17-21, 2010.
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  65. Monahan, A.H., M. McMillan: Faddeev equations for a relativistic two- and three- body system. Phys. Rev. A , 58 , 4226-4228, 1998.
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  66. Monahan, A.H., M. McMillan: Lorentz Boost of the Newton-Wigner-Pryce Position Operator. Phys. Rev. A. , 56 , 2563-2566, 1997.
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If there's a problem with any of the above documents, please contact monahana@uvic.ca .
This page was last updated on November 12 2013.