Search Results - "Ringler, Todd"

An Evaluation of the Ocean and Sea Ice Climate of E3SM Using MPAS and Interannual CORE‐II Forcing by Petersen, Mark R., Asay‐Davis, Xylar S., Berres, Anne S., Chen, Qingshan, Feige, Nils, Hoffman, Matthew J., Jacobsen, Douglas W., Jones, Philip W., Maltrud, Mathew E., Price, Stephen F., Ringler, Todd D., Streletz, Gregory J., Turner, Adrian K., Van Roekel, Luke P., Veneziani, Milena, Wolfe, Jonathan D., Wolfram, Phillip J., Woodring, Jonathan L.

“…The Energy Exascale Earth System Model (E3SM) is a new coupled Earth system model sponsored by the U.S Department of Energy. Here we present E3SM global…”
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Exploring a Global Multiresolution Modeling Approach Using Aquaplanet Simulations by Rauscher, Sara A., Ringler, Todd D., Skamarock, William C., Mirin, Arthur A.

“…Results from aquaplanet experiments performed using the Model for Prediction across Scales (MPAS) hydrostatic dynamical core implemented within the Department…”
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Exploring a Multiresolution Approach Using AMIP Simulations by Sakaguchi, Koichi, Leung, L. Ruby, Zhao, Chun, Yang, Qing, Lu, Jian, Hagos, Samson, Rauscher, Sara A., Dong, Li, Ringler, Todd D., Lauritzen, Peter H.

“…This study presents a diagnosis of a multiresolution approach using the Model for Prediction Across Scales–Atmosphere (MPAS-A) for simulating regional climate…”
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Evaluation of the arbitrary Lagrangian–Eulerian vertical coordinate method in the MPAS-Ocean model by Petersen, Mark R., Jacobsen, Douglas W., Ringler, Todd D., Hecht, Matthew W., Maltrud, Mathew E.

“…•We describe an Arbitrary Lagrangian–Eulerian vertical coordinate method for the MPAS-Ocean model.•MPAS-Ocean was validated using z-level, z-star (full and…”
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Impacts of Ice-Shelf Melting on Water-Mass Transformation in the Southern Ocean from E3SM Simulations by Jeong, Hyein, Asay-Davis, Xylar S., Turner, Adrian K., Comeau, Darin S., Price, Stephen F., Abernathey, Ryan P., Veneziani, Milena, Petersen, Mark R., Hoffman, Matthew J., Mazloff, Matthew R., Ringler, Todd D.

“…The Southern Ocean overturning circulation is driven by winds, heat fluxes, and freshwater sources. Among these sources of freshwater, Antarctic sea ice…”
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Observed Scaling in Clouds and Precipitation and Scale Incognizance in Regional to Global Atmospheric Models by O’Brien, Travis A., Li, Fuyu, Collins, William D., Rauscher, Sara A., Ringler, Todd D., Taylor, Mark, Hagos, Samson M., Leung, L. Ruby

“…Observations of robust scaling behavior in clouds and precipitation are used to derive constraints on how partitioning of precipitation should change with…”
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Atmospheric Moisture Budget and Spatial Resolution Dependence of Precipitation Extremes in Aquaplanet Simulations by Yang, Qing, Leung, L. Ruby, Rauscher, Sara A., Ringler, Todd D., Taylor, Mark A.

“…This study investigates the moisture budgets and resolution dependency of precipitation extremes in an aquaplanet framework based on the Community Atmosphere…”
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Projected Future Changes in Vegetation in Western North America in the Twenty-First Century by Jiang, Xiaoyan, Rauscher, Sara A., Ringler, Todd D., Lawrence, David M., Williams, A. Park, Allen, Craig D., Steiner, Allison L., Cai, D. Michael, McDowell, Nate G.

“…Rapid and broad-scale forest mortality associated with recent droughts, rising temperature, and insect outbreaks has been observed over western North America…”
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The KPP Boundary Layer Scheme for the Ocean: Revisiting Its Formulation and Benchmarking One‐Dimensional Simulations Relative to LES by Van Roekel, Luke, Adcroft, Alistair J., Danabasoglu, Gokhan, Griffies, Stephen M., Kauffman, Brian, Large, William, Levy, Michael, Reichl, Brandon G., Ringler, Todd, Schmidt, Martin

“…We evaluate the Community ocean Vertical Mixing project version of the K‐profile parameterization (KPP) for modeling upper ocean turbulent mixing. For this…”
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A parallel high-order accurate finite element nonlinear Stokes ice sheet model and benchmark experiments by Leng, Wei, Ju, Lili, Gunzburger, Max, Price, Stephen, Ringler, Todd

“…The numerical modeling of glacier and ice sheet evolution is a subject of growing interest, in part because of the potential for models to inform estimates of…”
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The DOE E3SM v1.2 Cryosphere Configuration: Description and Simulated Antarctic Ice‐Shelf Basal Melting by Comeau, Darin, Asay‐Davis, Xylar S., Begeman, Carolyn Branecky, Hoffman, Matthew J., Lin, Wuyin, Petersen, Mark R., Price, Stephen F., Roberts, Andrew F., Van Roekel, Luke P., Veneziani, Milena, Wolfe, Jonathan D., Fyke, Jeremy G., Ringler, Todd D., Turner, Adrian K.

“…The processes responsible for freshwater flux from the Antarctic Ice Sheet (AIS), ice‐shelf basal melting and iceberg calving, are generally poorly represented…”
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MPAS-Seaice (v1.0.0): sea-ice dynamics on unstructured Voronoi meshes by Turner, Adrian K, Lipscomb, William H, Hunke, Elizabeth C, Jacobsen , Douglas W, Jeffery, Nicole, Engwirda, Darren, Ringler, Todd D, Wolfe, Jonathan D

“…We present MPAS-Seaice, a sea-ice model which uses the Model for Prediction Across Scales (MPAS) framework and spherical centroidal Voronoi tessellation (SCVT)…”
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Challenges and Prospects in Ocean Circulation Models by Fox-Kemper, Baylor, Adcroft, Alistair, Böning, Claus W., Chassignet, Eric P., Curchitser, Enrique, Danabasoglu, Gokhan, Eden, Carsten, England, Matthew H., Gerdes, Rüdiger, Greatbatch, Richard J., Griffies, Stephen M., Hallberg, Robert W., Hanert, Emmanuel, Heimbach, Patrick, Hewitt, Helene T., Hill, Christopher N., Komuro, Yoshiki, Legg, Sonya, Le Sommer, Julien, Masina, Simona, Marsland, Simon J., Penny, Stephen G., Qiao, Fangli, Ringler, Todd D., Treguier, Anne Marie, Tsujino, Hiroyuki, Uotila, Petteri, Yeager, Stephen G.

“…We revisit the challenges and prospects for ocean circulation models following Griffies et al. (2010). Over the past decade, ocean circulation models evolved…”
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A multi-resolution approach to global ocean modeling by Ringler, Todd, Petersen, Mark, Higdon, Robert L., Jacobsen, Doug, Jones, Philip W., Maltrud, Mathew

“…•A new global, multi-resolution ocean model is described and evaluated.•Simulations are evaluated based on mean and RMS sea-surface height.•The method offers a…”
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Computing eddy-driven effective diffusivity using Lagrangian particles by Wolfram, Phillip J., Ringler, Todd D.

“…•A novel Lagrangian scalar transport and effective diffusivity method is presented.•Lagrangian and Eulerian ICC (idealized circumpolar current) transport is…”
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A co-volume scheme for the rotating shallow water equations on conforming non-orthogonal grids by Chen, Qingshan, Ringler, Todd, Gunzburger, Max

“…A co-volume scheme is introduced for the rotating shallow water equations, in which both velocity components are specified on cell edges, and the thickness…”
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A multiresolution method for climate system modeling: application of spherical centroidal Voronoi tessellations by Ringler, Todd, Ju, Lili, Gunzburger, Max

“…During the next decade and beyond, climate system models will be challenged to resolve scales and processes that are far beyond their current scope. Each…”
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An eddy closure for potential vorticity by Ringler, Todd, Gent, Peter

“…► The Gent McWilliams scheme is extended to include impact of eddies on mean potential vorticity field. ► Kelvin’s circulation theorem is retained with PV…”
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Extending a potential vorticity transport eddy closure to include a spatially-varying coefficient by Chen, Qingshan, Ringler, Todd, Gent, Peter R.

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Extending a potential vorticity transport eddy closure to include a spatially-varying coefficient by Chen, Qingshan, Ringler, Todd, Gent, Peter R.

“…The use of spatially varying eddy diffusivities is explored with the extended Gent–McWilliams (eGM) closure for both passive tracers and potential vorticity…”
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