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 and Honours Students

Former Graduate Students, Honours Students, and Post-Docs

Courses Taught

Publications

    Meteorology of Near-Surface Winds and Renewable Energy

  1. Lohmann, G. and A.H. Monahan: Effects of temporal averaging on short-term irradiance variability under mixed-sky conditions. Atmos. Chem. Phys., submitted.
  2. Mao, Y. and A.H. Monahan: Linear and nonlinear regression prediction of surface wind components. Clim.Dyn., submitted.
  3. van Hooijdonk, I.G.S., H.J.H. Clercx, C. Abraham, A.M. Holdsworth, A.H. Monahan, E. Vignon, A.F. Moene, P. Baas, and B.J.H. van de Wiel: Temperature inversion growth rate during the onset of the stable boundary layer . J. Atmos. Sci., submitted.
  4. Mao, Y. and A.H.Monahan: Predictive anisotropy of surface winds by linear statistical downscaling. J. Climate, in press.
  5. Lohmann, G., A. Hammer, A.H. Monahan, T. Schmidt, and D. Heinemann: Simulating clear-sky index increment correlations under mixed sky conditions using a fractal cloud model. Solar Energy , 150 , 255-264, 2017.
  6. Optis, M. and A.H. Monahan: A comparison of equilibrium and time-evolving approaches to modelling the wind profile under stable stratification. J. Appl. Metor. Clim. , 56 , 1365-1382, 2017.
  7. Daines, J.T., A.H.Monahan, and C.L.Curry: Model-based projections and uncertainties of surface wind climate in Western Canada. J. Appl. Meteo. Clim., 55 , 2229-2245, 2016.
  8. Holdsworth, A., T. Rees, and A.H. Monahan: Parameterization sensitivity and instability characteristics of the maximum sustainable heat flux framework for predicting turbulent collapse. J. Atmos. Sci., 73 , 3527-3540, 2016.
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  9. Optis, M. and A.H. Monahan: The extrapolation of near-surface wind speeds under stable stratification using an equilibrium-based single-column model approach. J. Appl. Metor. Clim., 55,923-943, 2016.
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  10. Lohmann, G.M., A.H. Monahan, and D. Heinemann: Local short-term variability in solar irradiance. Atmos. Chem. Phys., 16 , 6365-6379, 2016.
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  11. Monahan, A.H., T. Rees, Y. He, and N. McFarlane: Multiple regimes of wind, stratification, and turbulence in the stable boundary layer. J. Atmos. Sci. , 72, 3178-3198, 2015.
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  12. Optis, M., A.H. Monahan, and F. Bosveld: Limitations and breakdown of Monin-Obukhov similarity theory for wind profile extrapolation under stable stratification. Wind Energy , 19, 1053-1072, 2015.
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  13. Doerenkaemper, M., M. Optis, A.H. Monahan, and G. Steinfeld: On the offshore advection of boundary-layer structures and its influence on offshore wind conditions. Boundary Layer Meteor. , 155 , 459-482, 2015.
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  14. Rees, T. and A.H. Monahan: A general numerical method for analyzing the linear stability of stratified parallel shear flows. , J. Atmos. Oc. Tech. , 31 , 2795-2808, 2014.
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  15. Optis, M., A.H. Monahan, and F. Bosveld: Moving beyond Monin-Obukhov similarity theory in modelling wind-speed profiles in the lower atmospheric boundary layer under stable stratification, Boundary Layer Meteor., 2014.
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  16. Thompson, W.F., A.H. Monahan, and D. Crommelin: Parametric estimation of the stochastic dynamics of sea surface winds, J. Atmos. Sci. , 71 , 3465-3483, 2014.
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  17. Fajber, R., A.H. Monahan, and W.J. Merryfield: At what time of day do daily extreme near surface wind speeds occur?, J. Climate , 27 , 4226-4244, 2014.
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  18. Monahan, A.H.: Wind speed probability distribution, Encyclopedia of Natural Resources, 2014.
  19. 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.
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  20. 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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  21. 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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  22. Monahan, A.H.: The Gaussian predictability of wind speeds, J. Climate , 26 , 5563-5577, 2013.
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  23. Monahan, A.H.: Temporal autocorrelation structure of sea surface winds, J. Climate, 25 , 6684-6700, 2012.
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  24. 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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  25. 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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  26. 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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  27. 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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  28. 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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  29. 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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  30. 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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  31. Monahan, A.H.: Probability distribution of sea surface wind stresses , Geophys. Res. Lett. , 34 , L05704, 2008. doi:10.1029/2007GL032268.
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  32. Monahan, A.H.: Empirical Models of the Probability Distribution of Sea Surface Wind Speeds , J. Climate , 20, 5798-5814, 2007.
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  33. 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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  34. 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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  35. 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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  36. 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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  37. 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

  38. Tesdal, J.-E., J.R. Christian, A.H. Monahan, and K. von Salzen: Sensitivity of modelled sulfate aerosol and its radiative effect on climate to ocean DMS concentration and air-sea flux . Atmos. Chem. Phys., 16, 10847-10864, 2016.
  39. 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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  40. 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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  41. Monahan, A.H. and J.C. Fyfe: How Generic Are Dipolar Jet EOFs? . J. Atmos. Sci. , 66 , 541-551, 2009.
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  42. Monahan, A.H. and J.C. Fyfe: On Annular Modes and Zonal Jets , J. Climate , 21, 1963-1978, 2008.
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  43. 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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  44. Monahan, A.H. and J.C. Fyfe, On the Nature of Zonal Jet EOFs , J. Climate , 19, 6409-6424, 2006.
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  45. 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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  46. 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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  47. 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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  48. 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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  49. 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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  50. 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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  51. 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

  52. 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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  53. 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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  54. 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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  55. 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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  56. 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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  57. 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 Modelling in Climate

  58. Thompson, W.F., R.A. Kuske, and A.H. Monahan: Reduced alpha-stable dynamics for multiple time scale systems forced with correlated and multiplicative Gaussian white noise. Chaos , submitted.
  59. Gairing, J.M., M.A. Hoegele, T. Kosenkova, and A.H. Monahan: How close are time series to power tail Levy diffusions? . Chaos , in press.
  60. Thompson, W.F., R.A. Kuske, and A.H. Monahan: Stochastic averaging of dynamical systems with multiple time scales forced with alpha-stable noise. Multiscale Modeling and Simulation , 13, 1194-1223, 2015.
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  61. Monahan, A.H. and J. Culina: Stochastic Averaging of Simple Climate Models, J. Climate , 24 , 3068-3088, 2011.
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  62. 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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  63. Imkeller, P. and A.H. Monahan: Conceptual stochastic climate models , Stochastics and Dynamics, 2, 311-326, 2002.
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    Biogeochemical Dynamics in Climate

  64. Mortenson, E., H. Hayashida, N. Steiner, A.H. Monahan, M. Blais, M.A. Gale, V.Galindo, M. Gosselin, X.Hu, D. Lavoie, C.J. Mundy: A model-based analysis of physical and biological controls on ice algae and pelagic primary production in Resolute Passage . Elementa , in press.
  65. Hayashida, H., N. Steiner, A.H. Monahan, V. Galindo, M. Lizotte, and M. Levasseur: Implications of sea-ice biogeochemistry for oceanic production and emissions of dimethylsulfide in the Arctic . Biogeosciences , 14 , 3129-3155, 2017.
  66. Engida, Z., D. Ianson, A.Monahan, and R. Thomson: Remore forcing of subsurface currents and temperatures in the Northern California Current System. J. Geophys. Res., 121 , 7244-7262, 2016.
  67. Tesdal, J.-E., J.R. Christian, A.H. Monahan, and K. von Salzen: Evaluation of diverse approaches for estimating DMS concentration and air-sea exchange at global scale. Environ. Chem., 13, 390-412, 2016.
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  68. 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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  69. 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

  70. Dirkson, A, W.J. Merryfield, and A.H. Monahan: Impacts of sea ice thickness initialization on seasonal Arctic sea ice predictions. J. Climate , 30 , 1001-1017, 2017.
  71. Dirkson, A., W.J. Merryfield, and A.H. Monahan: Real time estimation of Arctic sea ice thickness through maximum covariance analysis. Geophys. Res. Lett. , 42, 4869-4877, 2015.
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  72. Abraham, C., N. Steiner, A.H. Monahan, and C. Michel: Effects of subgrid-scale snow thickness variability on radiative transfer in sea ice. J. Geophys. Res. , 120, 5597-5614, 2015.
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  73. 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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  74. 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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  75. 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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  76. 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

  77. Monahan, A.H. and A. Dai, The spatial and temporal structure of ENSO nonlinearity . J. Climate, 17 3026-3036, 2004.
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  78. 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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  79. 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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  80. 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

  81. 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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  82. 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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  83. 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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  84. Monahan, A.H.: Nonlinear principal component analysis of climate data . PhD Thesis, University of British Columbia, 159 pp, 2000.
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  85. 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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  86. 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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    Other topics

  87. Monahan, A.H.: The mathematics of climate modelling. Pi in the Sky, 14, 17-21, 2010.
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  88. 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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  89. 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 at uvic.ca.
This page was last updated on July 6, 2017.