Atmospheric Modeling Group




Publications

Paul Ullrich, Ph.D.


Journal Articles
  • (In Review) Ullrich, P.A., C. Jablonowski and P.H. Lauritzen (2013) "A high-order fully explicit `incremental-remap'-based semi-Lagrangian shallow-water model." Submitted to Int. J. Numer. Meth. Fluids, Feb. 2013.
  • (In Press) Kent, J., P.A. Ullrich and C. Jablonowski (2013) "Dynamical Core Model Intercomparison Project: Tracer transport test cases" Submitted to Quart. J. Roy. Meteor. Soc. Accepted for publication June 2013.
  • (Revised) Ullrich, P.A. (2013) "Understanding the treatment of waves in atmospheric models, Part I: The shortest resolved waves of the 1D linearized shallow water equations" Submitted to Quart. J. Roy. Meteor. Soc. Revised May 2013.
  • (Revised) Ullrich, P.A., T. Melvin, C. Jablonowski and A. Staniforth (2013) "A baroclinic wave test case for deep- and shallow-atmosphere dynamical cores." Submitted to Quart. J. Royal Meteor. Soc. Revised May 2013.
  • (In Press) Ullrich, P.A. and M.R. Norman (2013) "The conservative Flux-Form Semi-Lagrangian Spectral Element (FF-SLSE) method for tracer transport" Quart. J. Roy. Meteor. Soc. Accepted for publication Apr. 2013.
  • (Link) Ullrich, P.A., P.H. Lauritzen and C. Jablonowski (2012) "Some considerations for high-order `incremental remap'-based transport schemes: edges, reconstructions and area integration." Int. J. Num. Methods Fluids, DOI: 10.1002/fld.3703.
  • (Link) Ullrich, P.A. and C. Jablonowski (2012) "MCore: A nonhydrostatic atmospheric dynamical core utilizing high-order finite-volume methods." J. Comp. Phys., Volume 231, Issue 15, pp. 5078–5108, DOI: 10.1016/j.jcp.2012.04.024.
  • (Link) Ullrich, P.A. and C. Jablonowski (2011) "Operator-Split Runge-Kutta-Rosenbrock (RKR) Methods for Nonhydrostatic Atmospheric Models", Mon. Wea. Rev., Volume 140, Number 4, pp. 1257-1284, DOI: 10.1175/MWR-D-10-05073.1.
  • (Link) Ullrich, P.A. and C. Jablonowski (2011) "An analysis of 1D finite-volume methods for geophysical problems on refined grids", J. Comp. Phys., Volume 230, Issue 3, pp. 706-725, DOI: 10.1016/j.jcp.2010.10.014.
  • (Link) Ullrich, P.A., C. Jablonowski and B. van Leer (2010) "High-order finite-volume models for the shallow-water equations on the sphere", J. Comp. Phys., Vol. 229, Issue 17, pp. 6104-6134, DOI: 10.1016/j.jcp.2010.04.044.
  • (Link) Lauritzen, P.H., R.D. Nair and P.A. Ullrich (2010) "A conservative semi-Lagrangian multi-tracer transport scheme (CSLAM) on the cubed-sphere grid", J. Comp. Phys. Vol. 229, Issue 5, pp. 1401--1424, DOI: 10.1016/j.jcp.2009.10.036.
  • (Link) Ullrich, P.A., P.H. Lauritzen and C. Jablonowski (2009) "Geometrically Exact Conservative Remapping (GECoRe): Regular latitude-longitude and cubed-sphere grids", Mon. Wea. Rev. Vol. 137, No. 6, pp. 1721--1741.
Journal Articles (In Preparation)
  • (In Preparation) Guba, O., M.N. Levy, J.R. Overfelt, M.A. Taylor and P.A. Ullrich (2013) "Scale-aware hyperviscosity for the spectral element method."
  • (In Preparation) Ullrich, P.A., J. Kent and C. Jablonowski (2013) "Normal mode mountain waves on the sphere: A test case for atmospheric dynamical cores." To be submitted to Quart. J. Roy. Meteor. Soc.
  • (In Preparation) Ullrich, P.A., C. Jablonowski and K.A. Reed (2013) "A baroclinic instability test case in a 3D channel." To be submitted to Quart. J. Roy. Meteor. Soc.
  • (In Preparation) Ullrich, P.A., J. Whitehead, C. Jablonowski and M.A. Taylor (2013) "A stability analysis of advection and diffusion in the Community Atmosphere Model Spectral Element (CAM-SE) model." To be submitted to J. Comp. Phys.
  • (In Preparation) Lauritzen, P. H., N. Andronova, P. A. Bosler, D. Calhoun, T. Enomoto, L. Dong, S. Dubey, O. Guba, A. B. Hansen, C. Jablonowski, H.-M. H. Juang, E. Kaas, J. Kent, R. Muller, J. E. Penner, M. J. Prather, D. Reinert, W. C. Skamarock, B. Sorensen, M. A. Taylor, P. A. Ullrich and J. B. White III, (2013): "A standard test case suite for 2D linear transport on the sphere: results from 17 state-of-the-art schemes." To be submitted to Geoscientific Model Development.
Published Abstracts
  • (No Link) Ullrich, P.A., C. Jablonowski, J. Kent, K.A. Reed, M.A. Taylor, P.H. Lauritzen and R. Nair (2012) "Towards a Unified Test Case Suite for Global Atmospheric Models," Abstract A53C-0160 presented at the 2012 Fall Meeting, American Geophysical Union, San Francisco, CA, December 3-7, 2012.
  • (Link) Ullrich, P.A. and C. Jablonowski (2011) "MCore: A High-Order Finite-Volume Dynamical Core for Atmospheric General Circulation Models," Abstract A11J-07 presented at 2011 Fall Meeting, American Geophysical Union, San Francisco, CA, December 5-9, 2011.
  • (Link) Ullrich, P.A. and C. Jablonowski (2010) "High-Order Finite-Volume Schemes for Simulating Atmospheric Flows" Abstract A41G-07 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.
  • (Link) Ullrich, P.A. and P.H. Lauritzen (2008) "GECoRe: A New Geometrically Exact Remapping Scheme on the Sphere" Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract A33A-0213
Other Publications
  • (Link) Lauritzen, P.H., P.A. Ullrich and R.D. Nair (2011) "Atmospheric transport schemes: Desirable properties and a semi-Lagrangian view on finite-volume discretizations." Chapter in the Springer book 'Numerical Techniques for Global Atmospheric Models.'
  • (Link) Ullrich, P.A. (2011) Atmospheric Modeling with High-Order Finite-Volume Methods, (PhD Thesis) University of Michigan.
  • (Link) Ullrich, P.A. (2007) Exact and Perturbed Friedmann-Lemaitre Cosmologies, (Master's Thesis) University of Waterloo.
Posters
  • (Link) Ullrich, P.A., C. Jablonowski, J. Kent, K.A. Reed, M.A. Taylor, P.H. Lauritzen and R. Nair (2012) "Towards a Unified Test Case Suite for Global Atmospheric Models."
  • (Link) Ullrich, P.A. and C. Jablonowski (2011) "MCore: A High-Order Finite-Volume Dynamical Core"
  • (Link) Ullrich, P.A. and C. Jablonowski (2010) "High-order finite-volume methods for geophysical flow problems"
  • (Link) Ullrich, P.A., P.H. Lauritzen, C. Jablonowski (2008) "GECoRe: A Geometrically Exact Remapping Scheme on the Sphere"
  • (Link) Ullrich, P.A. (2008) "Parallel Load Balancing on a Cubed Sphere Grid"
Presentations
  • Ullrich, P.A. (2013) "A Better Understanding of the Earth System Through Advances in CFD" Invited presentation at Four Decades of CFD: Looking Back and Moving Forward, San Diego, California. June 22-23, 2013.
  • Ullrich, P.A and A. Rhoades. (2013) "Variable Resolution Modeling of California Snowpack within the Community Earth System Model (CESM)" and "SQuadGen: A New Tool for Generation of Variable Resolution Quadrilateral Meshes." Poster presentation at the 2013 CESM Workshop, Breckenridge, Colorado. June 17-20, 2013.
  • Ullrich, P.A. (2013) "Recent Advances in the Simulation of Global Atmospheric Dynamics." Invited presentation at Lawrence Berkeley National Laboratory, Berkeley, California. April 29, 2013.
  • Ullrich, P.A. (2013) "Conservative Semi-Lagrangian Methods on the Cubed-Sphere." Presentation at the Society for Industrial and Applied Mathematics (SIAM) Computer Science and Engineering Meeting, Boston, Massachusetts. February 27, 2013.
  • Ullrich, P.A. (2013) "Understanding the treatment of waves in atmospheric models: The shortest resolved waves of the linear wave equation." Invited presentation at the University of California Berkeley, Berkeley, California. February 20, 2013.
  • Ullrich, P.A., C. Jablonowski, J. Kent, K.A. Reed, M.A. Taylor, P.H. Lauritzen and R. Nair (2012) "Towards a Unified Test Case Suite for Global Atmospheric Models." Poster presentation at the 2012 Fall Meeting, American Geophysical Union, San Francisco, CA, December 3-7, 2012.
  • Ullrich, P. A. (2012) "Recent Advances in Climate Modeling on the Regional and Global Scale." Presentation at the California Air Resources Board, Sacramento, California. October 3, 2012.
  • Ullrich, P. A. (2012) "MCore: New Approaches to Numerical Modeling of the Atmosphere." Presentation at the 2012 PDEs on the Sphere Meeting, Cambridge, U.K. September 27, 2012.
  • Ullrich, P. A. (2012) "New Approaches to Numerical Modeling of the Regional-Global Climate." Invited presentation at the University of Michgian AIM Seminar, Ann Arbor, Michigan. March 23, 2012.
  • Ullrich, P. A. (2012) "New Approaches to Numerical Modeling of Regional-Global Climate." Invited presentation at the University of Illinois, Champaign, Illinois. March 7, 2012.
  • Ullrich, P. A. (2012) "New Approaches to Numerical Modeling of the Atmosphere." Invited presentation at the University of California Los Angeles, Los Angeles, California. February 15, 2012.
  • Ullrich, P. A. (2012) "New Approaches to Numerical Modeling of the Atmosphere." Invited presentation at the University of California Davis, Davis, California. January 17, 2012.
  • Ullrich, P. A. (2012) "New Approaches to Numerical Modeling of the Atmosphere." Invited presentation at the Lawrence Berkeley National Laboratory, Berkeley, California. January 13, 2012.
  • Ullrich, P. A. and C. Jablonowski (2011) "MCore: Advances in high-order modeling of the global atmosphere." Presentation at American Geophysical Union Fall Meeting 2011, San Francisco, CA, USA, December 5-9, 2011.
  • Ullrich, P. A. (2011) "New Approaches to Numerical Modeling of the Atmosphere." Invited presentation at the University of Waterloo, Waterloo, Ontario, Canada. November 25, 2011.
  • Jablonowski, C., P. A. Ullrich and K. A. Reed (2011) "High-Order Methods and Nonhydrostatic Designs on Quasi-Uniform and Variable-Resolution Grids: Tackling the Numerical Challenges for Future-Generation GCMs." Invited presentation at the Global-to-Regional Climate Simulation Workshop, Santa Fe, NM, USA, August 3-5, 2011.
  • Jablonowski, C. and P. A. Ullrich (2011) "A High-Order Finite-Volume Scheme for the Dynamical Core of Weather and Climate Models." Invited presentation at the Scientic Discovery through Advanced Computing Program (SciDAC) Conference, Denver, CO, USA, July 10-14, 2011.
  • Ullrich, P.A. and Jablonowski, C. (2011) "MCore: A High-Order Finite-Volume Dynamical Core." Presentation at the 16th Annual CESM Workshop, Breckenridge, CO, USA, June 20-23, 2011.
  • Ullrich, P.A. (2011) "High-Order Finite-Volume Methods for Atmospheric Transport." Presentation at the Workshop on Transport Schemes on the Sphere, Boulder, CO, USA, March 31, 2011.
  • Ullrich, P.A. (2011) "Towards the Next Generation of Climate Models." Presentation at the SIAM Conference of the Geosciences, Long Beach, CA, USA, March 24, 2011.
  • Jablonowski, C. and Ullrich, P.A. (2011) "A High-Order Finite-Volume Technique for Nonhydrostatic Dynamic Cores on (Adaptive) Cubed-Sphere Grids." Presentation at the NCAS meeting, Boulder, CO, USA, March 7-9 2011.
  • Ullrich, P.A. (2011) "Towards the Next Generation of Climate Models." Presentation at the University of Michigan Seminar Series, Ann Arbor, MI, USA, January 10, 2011.
  • Ullrich, P.A. (2010) "High-order finite-volume methods for geophysical flow problems" Presentation at American Geophysical Union Fall Meeting 2010, San Francisco, CA, USA, December 13-17, 2010.
  • Ullrich, P.A. (2010) "High-order finite-volume schemes for simulating atmospheric flows" Poster presentation at the Engineering Graduate Symposium, Ann Arbor, MI, USA, November 12, 2010.
  • Ullrich, P.A. (2010) "A look at high-order finite-volume schemes for simulating atmospheric flows" Presentation at the Workshop on Solutions to Partial Differential Equations on the Sphere, Potsdam, Germany, August 22-27, 2010.
  • Ullrich, P.A. (2010) "High-order finite-volume methods for geophysical flow problems" Poster presentation at the NSF Institute for Pure and Applied Mathematics (IPAM), Workshop II: Numerical Hierarchies for Climate Modeling, Los Angeles, CA, USA, April 16, 2010.
  • Jablonowski, C.J. and Ullrich, P.A. (2010) "An Analysis of Finite-Volume schemes: High-order Methods and Grid Reflections on Adaptive Grids" Invited presentation at the NSF Institute for Pure and Applied Mathematics (IPAM), Workshop II: Numerical Hierarchies for Climate Modeling, Los Angeles, CA, USA, April 16, 2010.
  • Ullrich, P.A. (2010) "High-order finite-volume methods for geophysical flow problems" Poster presentation at the Michigan Geophysical Union, Ann Arbor, MI, USA, March 26, 2010.
  • Ullrich, P.A. (2009) "Riemann-Solver Based Shallow-Water FV Models on the Sphere" Poster presentation at the Engineering Graduate Symposium, Ann Arbor, MI, USA, November 13, 2009.
  • Ullrich, P.A. (2009) "Riemann-Solver Based Shallow-Water FV Models on the Sphere" Invited Talk at Field's Workshop on Dynamics in Environmental and Geophysical Flows, Waterloo, Ontario, Canada, July 27-29, 2009.
  • Ullrich, P.A. (2009) "GECoRe: A Geometrically Exact Remapping Scheme on the Sphere" Presentation at the Workshop on Solutions to Partial Differential Equations on the Sphere, Santa Fe, USA, April 27-30, 2009.
  • Ullrich, P.A. (2009) "GECoRe: A Geometrically Exact Remapping Scheme on the Sphere" Poster presentation at the Michigan Geophysical Union 2009, Ann Arbor, MI, USA, March 20, 2009.
  • Ullrich, P.A., P.H. Lauritzen, C. Jablonowski (2008) "GECoRe: A Geometrically Exact Remapping Scheme on the Sphere" Poster presentation at the American Geophysical Union Fall Meeting 2008, San Francisco, CA, USA, December 15-19, 2008.
  • Ullrich, P.A. (2008) "GECoRe: A Geometrically Exact Remapping Scheme on the Sphere" Poster presentation at the Engineering Graduate Symposium, Ann Arbor, MI, USA, November 7, 2008.
  • Ullrich, P.A. (2008) "Parallel Load Balancing on a Cubed Sphere Grid" Poster presentation at the Michigan Geophysical Union 2008, Ann Arbor, MI, USA, March 16, 2008.

Latest update: June 18th, 2013