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Three-Dimensional Gravity Inversion Based on Attention Feature Fusion [PDF]
SensorsThree-dimensional gravity inversion is a process of obtaining the location, shape, and physical property parameters of underground anomaly sources using gravity anomaly data observed on the surface.
Chen Chen +4 more
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Binary structure constrained gravity inversion based on seismic first arrival travel time data
Frontiers in Earth Science, 2023 Gravity exploration method is one of the important methods for deep mineral resource exploration, but gravity data inversion has limited resolution ability in the vertical direction.
Xinhui Deng +2 more
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An Investigation of lp-Norm Minimization for the Artifact-Free Inversion of Gravity Data
Remote Sensing, 2023 The l2-norm minimization is a common means for the 3D inversion of gravity data. The unconstrained l2-norm inversion will produce a smooth solution, which contains redundant structures and artifacts. Positivity-constrained l2-norm inversion can eliminate
Zelin Li, Changli Yao
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Observation of Gravity Wave Vertical Propagation through a Mesospheric Inversion Layer
Atmosphere, 2022 The impact of a mesospheric temperature inversion on the vertical propagation of gravity waves has been investigated using OH airglow images and ground-based Rayleigh lidar measurements carried out in December 2017 at the Haute-Provence Observatory (OHP,
Thurian Le Du +3 more
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Remote Sensing, 2022 Accurate and highly precise gravity gradient data are an important component of, for example, gravity field modeling, seabed topography inversion, and resource exploration. However, high-precision gravity gradient data are difficult to obtain. To address
Bei Liu +6 more
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Bathymetry inversion using the deflection of the vertical: A case study in South China Sea
Geodesy and Geodynamics, 2022 The deflection of the vertical is one of the essential products of altimetry. However, unlike gravity and vertical gravity gradients, it is seldom used in bathymetry inversion.
Xiaoyun Wan +5 more
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Constraining Inverse-Curvature Gravity with Supernovae [PDF]
Physical Review Letters, 2006 We show that the current accelerated expansion of the Universe can be explained without resorting to dark energy. Models of generalized modified gravity, with inverse powers of the curvature can have late time accelerating attractors without conflicting with solar system experiments. We have solved the Friedman equations for the full dynamical range of
Mena, Olga +2 more
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Remote Sensing, 2021 Airborne (or satellite) gravity measurement is a commonly used remote sensing method to obtain the underground density distribution. Airborne gravity gradiometry data have a higher horizontal resolution to shallower causative sources than airborne ...
Guoqing Ma +5 more
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Nonlocal gravity with worldline inversion symmetry [PDF]
Journal of High Energy Physics, 2020 Abstract We construct a quadratic curvature theory of gravity whose graviton propagator around the Minkowski background respects wordline inversion symmetry, the particle approximation to modular invariance in string theory. This symmetry automatically yields a corresponding gravitational theory that is nonlocal, with the action ...
Steven Abel +2 more
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The improvement of sparsity gravity inversion using an adaptive lanczos bidiagonalization method
Frontiers in Earth Science, 2023 Inversion of gravity data is one the important steps in the interpretation of practical data. The detection of sharp boundaries between anomalous bodies and host rocks is an interesting point in the geological frameworks.
Meng Zhaohai +7 more
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