Atmospheric Modeling Group

Publications
Paul Ullrich, Ph.D.


 (In Review)
Ullrich, P.A., C. Jablonowski and P.H. Lauritzen (2013)
"A highorder fully explicit `incrementalremap'based semiLagrangian shallowwater 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 shallowatmosphere
dynamical cores."
Submitted to Quart. J. Royal Meteor. Soc. Revised May 2013.
 (In Press)
Ullrich, P.A. and M.R. Norman (2013)
"The conservative FluxForm SemiLagrangian Spectral Element (FFSLSE) 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 highorder `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 highorder finitevolume 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)
"OperatorSplit RungeKuttaRosenbrock (RKR) Methods for Nonhydrostatic Atmospheric Models",
Mon. Wea. Rev., Volume 140, Number 4, pp. 12571284, DOI: 10.1175/MWRD1005073.1.
 (Link)
Ullrich, P.A. and C. Jablonowski (2011)
"An analysis of 1D finitevolume methods for geophysical problems on refined grids",
J. Comp. Phys., Volume 230, Issue 3, pp. 706725, DOI: 10.1016/j.jcp.2010.10.014.
 (Link)
Ullrich, P.A., C. Jablonowski and B. van Leer (2010)
"Highorder finitevolume models for the shallowwater equations on the sphere",
J. Comp. Phys., Vol. 229, Issue 17, pp. 61046134, DOI: 10.1016/j.jcp.2010.04.044.
 (Link)
Lauritzen, P.H., R.D. Nair and P.A. Ullrich (2010)
"A conservative semiLagrangian multitracer transport scheme (CSLAM) on the cubedsphere grid",
J. Comp. Phys. Vol. 229, Issue 5, pp. 14011424, 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 latitudelongitude and cubedsphere grids",
Mon. Wea. Rev. Vol. 137, No. 6, pp. 17211741.

 (In Preparation)
Guba, O., M.N. Levy, J.R. Overfelt, M.A. Taylor and P.A. Ullrich (2013) "Scaleaware 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 (CAMSE) 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 stateoftheart schemes." To be submitted to Geoscientific Model Development.

 (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 A53C0160 presented at the 2012 Fall Meeting, American Geophysical Union, San Francisco, CA, December 37, 2012.
 (Link)
Ullrich, P.A. and C. Jablonowski (2011)
"MCore: A HighOrder FiniteVolume Dynamical Core for Atmospheric General Circulation Models," Abstract A11J07 presented at 2011 Fall Meeting, American Geophysical Union, San Francisco, CA, December 59, 2011.
 (Link)
Ullrich, P.A. and C. Jablonowski (2010)
"HighOrder FiniteVolume Schemes for Simulating Atmospheric Flows" Abstract A41G07 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 1317 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 A33A0213

 (Link) Lauritzen, P.H., P.A. Ullrich and R.D. Nair (2011) "Atmospheric transport schemes: Desirable properties and a semiLagrangian view on finitevolume discretizations." Chapter in the Springer book 'Numerical Techniques for Global Atmospheric Models.'
 (Link)
Ullrich, P.A. (2011)
Atmospheric Modeling with HighOrder FiniteVolume Methods,
(PhD Thesis) University of Michigan.
 (Link)
Ullrich, P.A. (2007)
Exact and Perturbed FriedmannLemaitre Cosmologies,
(Master's Thesis) University of Waterloo.

 (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 HighOrder FiniteVolume Dynamical Core"
 (Link)
Ullrich, P.A. and C. Jablonowski (2010)
"Highorder finitevolume 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"

 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 2223, 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 1720, 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 SemiLagrangian Methods on the CubedSphere." 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 37, 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 RegionalGlobal 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 RegionalGlobal 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 highorder modeling of the global atmosphere."
Presentation at American Geophysical Union Fall Meeting 2011, San Francisco, CA, USA, December 59, 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) "HighOrder Methods and Nonhydrostatic Designs on QuasiUniform and VariableResolution Grids: Tackling the Numerical Challenges for FutureGeneration GCMs." Invited presentation at the GlobaltoRegional Climate Simulation Workshop, Santa Fe, NM, USA, August 35, 2011.
 Jablonowski, C. and P. A. Ullrich (2011) "A HighOrder FiniteVolume 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 1014, 2011.
 Ullrich, P.A. and Jablonowski, C. (2011) "MCore: A HighOrder FiniteVolume Dynamical Core."
Presentation at the 16th Annual CESM Workshop, Breckenridge, CO, USA, June 2023, 2011.
 Ullrich, P.A. (2011) "HighOrder FiniteVolume 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 HighOrder FiniteVolume Technique for Nonhydrostatic Dynamic Cores on (Adaptive) CubedSphere Grids."
Presentation at the NCAS meeting, Boulder, CO, USA, March 79 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)
"Highorder finitevolume methods for geophysical flow problems"
Presentation at American Geophysical Union Fall Meeting 2010, San Francisco, CA, USA, December 1317, 2010.
 Ullrich, P.A. (2010)
"Highorder finitevolume 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 highorder finitevolume schemes for simulating atmospheric flows"
Presentation at the Workshop on Solutions to Partial Differential Equations on the Sphere, Potsdam, Germany, August 2227, 2010.
 Ullrich, P.A. (2010)
"Highorder finitevolume 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 FiniteVolume schemes: Highorder 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)
"Highorder finitevolume methods for geophysical flow problems"
Poster presentation at the Michigan Geophysical Union, Ann Arbor, MI, USA, March 26, 2010.
 Ullrich, P.A. (2009)
"RiemannSolver Based ShallowWater FV Models on the Sphere"
Poster presentation at the Engineering Graduate Symposium, Ann Arbor, MI, USA, November 13, 2009.
 Ullrich, P.A. (2009)
"RiemannSolver Based ShallowWater FV Models on the Sphere"
Invited Talk at Field's Workshop on Dynamics in Environmental and Geophysical Flows, Waterloo, Ontario, Canada, July 2729, 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 2730, 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 1519, 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.

