Publications

  • Calkins, M.A. Quasi-geostrophic dynamo theory. Phys. Earth Planet. Int., http://www.sciencedirect.com/science/article/pii/S003192011630317X
  • Calkins, M.A., Julien, K., and S.M. Tobias. Inertia-less convectively-driven dynamos in the limit of low Rossby number. Phys. Earth Planet. Int., 266, 54-59 (2017).
  • Calkins, M.A., Long, L., Nieves, D., Julien, K., and S.M. Tobias. Kinematic dynamos in low Rossby and magnetic Prandtl number convection. Phys. Rev. Fluids, 1, 083701 (2016).
  • Marti, P., Calkins, M.A., and K. Julien. An efficient spectral technique for modeling the dynamics of Earth's core. Geochem. Geophys. Geosyst.,
  • 17 (8), 3031-3053 (2016).
  • Julien, K., Aurnou, J.M., Calkins, M.A., Knobloch, E., Marti, P., Stellmach, S., and G. M. Vasil.  A nonlinear model for rotationally constrained convection with Ekman pumping.  J. Fluid Mech., 798, 50-87 (2016).
  • Calkins, M.A., Julien, K., Tobias, S.M.  Aurnou, J.M. and P. Marti. Convection-driven kinematic dynamos at low Rossby and magnetic Prandtl numbers: single mode solutions. Phys. Rev. E, 93, 023115 (2016).
  • Calkins, M.A., Hale, K., Julien, K., Nieves, D., Driggs, D. and P. Marti. The asymptotic equivalence of fixed heat flux and fixed temperature thermal boundary conditions for rapidly rotating convection. J. Fluid Mech., 784, R2 (2015).
  • Calkins, M.A. , Julien, K., Tobias, S.M., and J.M. Aurnou.  A multiscale dynamo model driven by quasi-geostrophic convection.  J. Fluid Mech., 780, 143-146 (2015).
  • Aurnou, J.M., Calkins, M.A., Cheng, J.S., Julien, K., King, E.M., Nieves, D., Soderlund, K.M., and S. Stellmach.  Rotating convective turbulence in Earth and planetary interiors.  Phys. Earth Planet. Int., 246, 52-71 (2015).
  • Calkins, M.A., Julien, K. and P. Marti.  The breakdown of the anelastic approximation in rotating compressible convection: implications for astrophysical systems.  Proc. R. Soc. A., 471, 20140689 (2015).
  • Calkins, M.A., Julien, K. and P. Marti.  Onset of rotating and non-rotating convection in compressible and anelastic ideal gases.  Geophys. Astrophys. Fluid Dyn., 109, 422-449 (2014). 
  • Calkins, M.A., Julien, K. and P. Marti.  Three-dimensional quasi-geostrophic convection in the rotating cylindrical annulus with steeply sloping endwalls.  J. Fluid Mech., 732, 214-244 (2013).
  • Calkins, M.A., Noir, J., Eldredge, J.D., and J.M. Aurnou.  The effects of boundary topography on convection in Earth's core.  Geophys. J. Int., 189, 799-814 (2012).
  • Calkins, M.A., Aurnou, J.M., Eldredge, J.D., and K. Julien.  The influence of fluid properties on the morphology of core turbulence and the geomagnetic field.  Earth Planet. Sci. Lett., 359, 55-60 (2012).
  • Noir, J., Calkins, M.A., Lasbleis, M., Cantwell, J., and J.M. Aurnou.  Experimental study of libration-driven zonal flows in a straight cylinder.  Phys. Earth Planet. Int., 182 (2010).
  • Calkins, M.A., Noir, J., Eldredge, J.D., and J.M. Aurnou.  Axisymmetric numerical simulations of libration-drive fluid dynamics in a spherical shell geometry.  Phys. Fluids., 22, 086602 (2010).