NS31B:
Frontiers of Uncertainty Estimation in Geophysical Inversion I
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NS31B:
Frontiers of Uncertainty Estimation in Geophysical Inversion I
Frontiers of Uncertainty Estimation in Geophysical Inversion I
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Session ID#: 18320
Session Description:
Geophysicists routinely apply inversion methods to produce information about the spatial and temporal variability of earth properties that are described by parameters of a model. Such models are often used to shed light on various earth processes of interest. However, incomplete and noisy data, subjective processing and inversion choices, approximate theory and nonlinear physics lead to model uncertainty. Therefore, inferring robust conclusions from geophysical models requires rigorous uncertainty assessment. Probabilistic descriptions of geophysical models that are consistent with the observed data are of great practical value across various disciplines. For instance, how certain are we of a geophysically inferred post-earthquake tsunami, buried unexploded ordnance, economic resource or chemical contaminant? To answer such questions, inversion methods that make quantitative choices of both model physics and parameterization are required. We invite submissions on theoretical advances and practical applications of uncertainty estimation in inversion across all fields of solid earth geophysics.
Primary Convener: Anandaroop Ray, Chevron Corporation Houston, Geophysical R&D, Houston, TX, United States
Conveners: Niklas Linde, University of Lausanne, Lausanne, Switzerland, Jan Dettmer, Australian National University, Canberra, Australia and Kerry Key, Institute of Geophysics and Planetary Physics La Jolla, La Jolla, CA, United States
Chairs: Louise Pellerin, Green Geophysics, Berkeley, CA, United States and Vedran Lekic, University of Maryland College Park, College Park, MD, United States
OSPA Liaison: Niklas Linde, University of Lausanne, Lausanne, Switzerland
Co-Organized
with:
Seismology, Seismology, Hydrology, and Geomagnetism, Paleomagnetism and Electromagnetism
Seismology, Seismology, Hydrology, and Geomagnetism, Paleomagnetism and Electromagnetism
Cross-Listed:
- S - Seismology
Proposed Co-Organized Session with:
- GP - Geomagnetism and Paleomagnetism
- H - Hydrology
Index Terms:
0550 Model verification and validation [COMPUTATIONAL GEOPHYSICS]
0555 Neural networks, fuzzy logic, machine learning [COMPUTATIONAL GEOPHYSICS]
3260 Inverse theory [MATHEMATICAL GEOPHYSICS]
3275 Uncertainty quantification [MATHEMATICAL GEOPHYSICS]
Abstracts Submitted to this Session:
Probabilistic Uncertainty of Parameters and Conceptual Models in Geophysical Inversion (Invited) (132614)
Density Imaging of Puy de Dôme Volcano by Joint Inversion of Muographic and Gravimetric Data (145316)
Comparison of Compressed Sensing Algorithms for Inversion of 3-D Electrical Resistivity Tomography. (161157)
See more of: Seismology