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Ensemble Riemannian data assimilation over the Wasserstein space

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2021; 28 (3)

In this paper, we present an ensemble data assimilation paradigm over a Riemannian manifold equipped with the Wasserstein metric. Unlike the Euclidean......

Size distribution law of earthquake-triggered landslides in different seismic intensity zones

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2021; 28 (1)

The M-s 8.0 Wenchuan earthquake in 2008 and M-s 7.0 Lushan earthquake in 2013 produced thousands of landslides in the southern region of the Longmen M......

Inhomogeneous precursor characteristics of rock with prefabricated cracks before fracture and its implication for earthquake monitoring

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2021; 28 (3)

Earthquake precursors and earthquake monitoring are always important in the earthquake research field, even if there is still debate about the existen......

An enhanced correlation identification algorithm and its application on spread spectrum induced polarization data

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2021; 28 (2)

In spread spectrum induced polarization (SSIP) data processing, attenuation of background noise from the observed data is the essential step that impr......

Enhanced diapycnal mixing with polarity-reversing internal solitary waves revealed by seismic reflection data

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2021; 28 (3)

Shoaling internal solitary waves near the Dongsha Atoll in the South China Sea dissipate their energy and enhance diapycnal mixing, which have an impo......

Enhanced internal tidal mixing in the Philippine Sea mesoscale environment

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2021; 28 (2)

Turbulent mixing in the ocean interior is mainly attributed to internal wave breaking; however, the mixing properties and the modulation effects of me......

Application of Levy processes in modelling (geodetic) time series with mixed spectra

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2021; 28 (1)

Recently, various models have been developed, including the fractional Brownian motion (fBm), to analyse the stochastic properties of geodetic time se......

Seismic section image detail enhancement method based on bilateral texture filtering and adaptive enhancement of texture details

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2020; 27 (2)

The seismic section image contains a wealth of texture detail information, which is important for the interpretation of the formation profile informat......

A method for predicting the uncompleted climate transition process

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2020; 27 (4)

Climate change is expressed as a climate system transiting from the initial state to a new state in a short time. The period between the initial state......

Prediction and variation of the auroral oval boundary based on a deep learning model and space physical parameters

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2020; 27 (1)

The auroral oval boundary represents an important physical process with implications for the ionosphere and magnetosphere. An automatic auroral oval b......

Denoising stacked autoencoders for transient electromagnetic signal denoising

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2019; 26 (1)

The transient electromagnetic method (TEM) is extremely important in geophysics. However, the secondary field signal (SFS) in the TEM received by coil......

JIF:1.7

Inverting Rayleigh surface wave velocities for crustal thickness in eastern Tibet and the western Yangtze craton based on deep learning neural networks

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2019; 26 (2)

Crustal thickness is an important factor affecting lithospheric structure and deep geodynamics. In this paper, a deep learning neural network based on......

JIF:1.7

The adaptive particle swarm optimization technique for solving microseismic source location parameters

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2019; 26 (3)

An intelligent method is presented for locating a microseismic source based on the particle swarm optimization (PSO) concept. It eliminates microseism......

JIF:1.7

Application of fractal models to delineate mineralized zones in the Pulang porphyry copper deposit, Yunnan, southwestern China

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2019; 26 (3)

The aim of this study is to delineate and identify various mineralized zones and barren host rocks based on surface and subsurface lithogeochemical da......

JIF:1.7

A fast approximation for 1-D inversion of transient electromagnetic data by using a back propagation neural network and improved particle swarm optimization

期刊: NONLINEAR PROCESSES IN GEOPHYSICS, 2019; 26 (4)

As one of the most active nonlinear inversion methods in transient electromagnetic (TEM) inversion, the back propagation (BP) neural network has high ......

JIF:1.7

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