English
Related papers

Related papers: In-situ soil parametrization from multi-layer mois…

200 papers

Proximal gamma-ray spectroscopy supported by adequate calibration and correction for growing biomass is an effective field scale technique for a continuous monitoring of top soil water content dynamics to be potentially employed as a…

Water density fluctuations are an important statistical mechanical observable that is related to many-body correlations, as well as hydrophobic hydration and interactions. Local water density fluctuations at a solid-water surface have also…

Soft Condensed Matter · Physics 2015-05-28 Amish J. Patel , Patrick Varilly , David Chandler , Shekhar Garde

Estimating porosity models via seismic data is challenging due to the signal noise and insufficient resolution of seismic data. Although impedance inversion is often used by combining with well logs, several hurdles remain to retrieve…

Geophysics · Physics 2021-11-29 Honggeun Jo , Yongchae Cho , Michael J. Pyrcz , Hewei Tang , Pengcheng Fu

A rigorous thermodynamic treatment of partially saturated soils is developed using a minimal number of assumptions. The derivation is carried out in a way that does not require to explicitly track the complex shapes of interfaces between…

Soft Condensed Matter · Physics 2022-12-20 Yimin Jiang , Itai Einav , Mario Liu

It is an extremely challenging task to precisely identify the reservoir characteristics directly from seismic data due to its inherit nature. Here, we successfully design a deep-learning model integrated with synthetic wedge models to…

Geophysics · Physics 2019-09-16 Ping Lu , Yanyan Zhang , Hua Yu , Stan Morris

A thermodynamically consistent extension of the constitutive equations of saturated soils to unsaturated conditions is often worked out through the use a unique 'effective' interstitial pressure, accounting equivalently for the pressures of…

Geophysics · Physics 2010-10-14 Olivier Coussy , Jean-Michel Pereira , Jean Vaunat

Simultaneous source seismic acquisition is an efficient method of seismic surveying that can considerably reduce the cost of high density seismic acquisition. The method results in overlapping records, or interference, that must be removed…

Geophysics · Physics 2018-12-17 Aaron Stanton , Keith Wilkinson

The goal of the Mars Sample Return campaign is to collect soil samples from the surface of Mars and return them to Earth for further study. The samples will be acquired and stored in metal tubes by the Perseverance rover and deposited on…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Raúl Castilla-Arquillo , Carlos Jesús Pérez-del-Pulgar , Gonzalo Jesús Paz-Delgado , Levin Gerdes

Understanding the orientation of geological structures is crucial for analyzing the complexity of the Earths' subsurface. For instance, information about geological structure orientation can be incorporated into local anisotropic…

Geophysics · Physics 2024-09-10 Ali Gholami , Silvia Gazzola

Gravity inversion is a commonly applied data analysis technique in the field of geophysics. While machine learning methods have previously been explored for the problem of gravity inversion, these are deterministic approaches returning a…

The objective of this work is a physical prediction of such soil shrinkage anisotropy characteristics as variation with drying of (i) different sample/layer sizes and (ii) the shrinkage geometry factor. With that, a new presentation of the…

Geophysics · Physics 2014-05-15 V. Y. Chertkov

This study introduces a framework for forecasting soil nitrogen content, leveraging multi-modal data, including multi-sensor remote sensing images and advanced machine learning methods. We integrate the Land Use/Land Cover Area Frame Survey…

Information Retrieval · Computer Science 2024-06-17 Weiying Zhao , Ganzorig Chuluunbat , Aleksei Unagaev , Natalia Efremova

In many inverse problems, model parameters cannot be precisely determined from observational data. Bayesian inference provides a mechanism for capturing the resulting parameter uncertainty, but typically at a high computational cost. This…

Computation · Statistics 2019-03-28 Matthew Parno , Tarek Moselhy , Youssef Marzouk

Basement relief gravimetry is crucial in geophysics, especially for oil exploration and mineral prospecting. It involves solving an inverse problem to infer geological model parameters from observed data. The model represents basement…

In seismic exploration, sources and measurements of seismic waves on the surface are used to determine model parameters representing geophysical properties of the earth. Full-waveform inversion (FWI) is a nonlinear seismic inverse technique…

Numerical Analysis · Mathematics 2019-02-05 Yunan Yang

Training networks to perform metric relocalization traditionally requires accurate image correspondences. In practice, these are obtained by restricting domain coverage, employing additional sensors, or capturing large multi-view datasets.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Mike Kasper , Fernando Nobre , Christoffer Heckman , Nima Keivan

In this paper we consider the multiscale modelling of water transport in vegetated soil. In the microscopic model we distinguish between subdomains of soil and plant tissue, and use the Richards equation to model the water transport through…

Analysis of PDEs · Mathematics 2024-11-05 Andrew Mair , Mariya Ptashnyk

Soil moisture is an important component of precision agriculture as it directly impacts the growth and quality of vegetation. Forecasting soil moisture is essential to schedule the irrigation and optimize the use of water. Physics based…

Machine Learning · Computer Science 2022-05-17 Anoushka Vyas , Sambaran Bandyopadhyay

Soil thermal conductivity is an important physical parameter in modeling land surface processes. Previous studies on evaluations of parameterization schemes of soil thermal conductivity are mostly based on specific experimental conditions…

Atmospheric and Oceanic Physics · Physics 2020-01-29 Yongjiu Dai , Nan Wei , Hua Yuan , Shupeng Zhang , Wei Shangguan , Shaofeng Liu , Xingjie Lu

Agriculture is vital for global food security, but crops are vulnerable to diseases that impact yield and quality. While Convolutional Neural Networks (CNNs) accurately classify plant diseases using leaf images, their high computational…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 T. Ahmed , S. Jannat , Md. F. Islam , J. Noor
‹ Prev 1 8 9 10 Next ›