Meeting application CTSP 2018-063: Difference between revisions
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|Meetingstatement_of_interest_submit=I am a Research Fellow at the Department of Geology, Utah State University, specializing in numerical techniques for modeling lithospheric and upper mantle dynamics (https://ravi-vs-kanda.github.io). My research focuses on the use of laboratory based viscous creep and plastic rheologies to understand how a realistic lithosphere and crust modulate deformation over the region encompassing the uppermost mantle to the surface. Present-day surface topography, mantle tomography, along with long-term surface sedimentary and paleo-altitude records are key constraints on near-surface rheology, was well as in quantifying the relative importance of surface vs. mantle processes for surface topography. | |Meetingstatement_of_interest_submit=I am a Research Fellow at the Department of Geology, Utah State University, specializing in numerical techniques for modeling lithospheric and upper mantle dynamics (https://ravi-vs-kanda.github.io). My research focuses on the use of laboratory based viscous creep and plastic rheologies to understand how a realistic lithosphere and crust modulate deformation over the region encompassing the uppermost mantle to the surface. Present-day surface topography, mantle tomography, along with long-term surface sedimentary and paleo-altitude records are key constraints on near-surface rheology, was well as in quantifying the relative importance of surface vs. mantle processes for surface topography. | ||
For numerical modeling, I have been using SULEC (Buiter & Ellis 2012) – an Arbitrary Lagrangian-Eulerian visco-plastic code capable of modeling a true free surface of the Earth. I recently modified the 2D version of SULEC to incorporate spatially heterogeneous, material dependent, (1D) parameterizations of surface erosion and sedimentation (e.g., based on regional topographic slope, curvature, and/or nearest topographic peak). I tested the modified code with simulations of first-order topography across central Colorado Plateau (2D section, since 50 Ma). While preliminary results are promising, the extensions of my current 1D algorithms to 2D surface processes are numerically expensive and inefficient for practical use, specifically owing to the very different spatio-temporal scales of surface and mantle driven processes. | For numerical modeling, I have been using SULEC (Buiter & Ellis 2012) – an Arbitrary Lagrangian-Eulerian visco-plastic code capable of modeling a true free surface of the Earth. I recently modified the 2D version of SULEC to incorporate spatially heterogeneous, material dependent, (1D) parameterizations of surface erosion and sedimentation (e.g., based on regional topographic slope, curvature, and/or nearest topographic peak). I tested the modified code with simulations of first-order topography across central Colorado Plateau (2D section, since 50 Ma). While preliminary results are promising, the extensions of my current 1D algorithms to 2D surface processes are numerically expensive and inefficient for practical use, specifically owing to the very different spatio-temporal scales of surface and mantle driven processes. | ||
We recently got funded for a numerical study of the distribution of deformation and seismicity in the Intermountain Seismic Belt, using realistic rheologies – surface processes could be important in redistributing regional crustal stresses from deeper mantle sources there. I would like to learn more from the CIG-ASPECT community regarding their plans for surface processes. I want to attend the | We recently got funded for a numerical study of the distribution of deformation and seismicity in the Intermountain Seismic Belt, using realistic rheologies – surface processes could be important in redistributing regional crustal stresses from deeper mantle sources there. I would like to learn more from the CIG-ASPECT community regarding their plans for surface processes. I want to attend the CTSP meeting in order to not only learn from leading experts regarding the latest advances in integrating surface process simulations into LTT models, but also to explore potential collaborations within such a broad, diverse group of researchers. As an early career scientist, I will greatly benefit from the experience of writing a White Paper exploring avenues to fund such future collaborations. | ||
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