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  4. 2017
Showing papers in "Computers & Geosciences in 2017"
Journal Article•10.1016/J.CAGEO.2017.07.011•
pyGIMLi: An open-source library for modelling and inversion in geophysics

[...]

Carsten Rücker1, Thomas Günther2, Florian M. Wagner3•
Technical University of Berlin1, Leibniz Association2, University of Bonn3
01 Dec 2017-Computers & Geosciences
TL;DR: The pyGIMLi framework as mentioned in this paper is an open-source framework for modeling and inversion of various geophysical but also hydrological methods that provides discretization management and the numerical basis for finite-element and finite-volume solvers in 1D, 2D and 3D on arbitrarily structured meshes.

391 citations

Journal Article•10.1016/J.CAGEO.2016.08.003•
Antarctic Mapping Tools for Matlab

[...]

Chad A. Greene1, David E. Gwyther2, Donald D. Blankenship1•
University of Texas at Austin1, Cooperative Research Centre2
01 Jul 2017-Computers & Geosciences
TL;DR: The Antarctic Mapping Tools package is designed for ease of use and allows users to perform each step of data processing including raw data import, data analysis, and creation of publication-quality maps, wholly within the numerical environment of Matlab.

244 citations

Journal Article•10.1016/J.CAGEO.2016.12.015•
Automated detection of geological landforms on Mars using Convolutional Neural Networks

[...]

Leon Palafox1, Christopher W. Hamilton1, Stephen P. Scheidt1, Alexander Alvarez1•
University of Arizona1
01 Apr 2017-Computers & Geosciences
TL;DR: This work uses Convolutional Neural Networks (ConvNets) to detect both volcanic rootless cones and transverse aeolian ridges on the surface of Mars and shows that ConvNets can detect a wide range of landforms and has better accuracy and recall in testing data than traditional classifiers based on SVMs.

150 citations

Journal Article•10.1016/J.CAGEO.2017.02.002•
ADFNE: Open source software for discrete fracture network engineering, two and three dimensional applications

[...]

Younes Fadakar Alghalandis
01 May 2017-Computers & Geosciences
TL;DR: This paper introduces an open source comprehensive software package for stochastic modeling of fracture networks in two- and three-dimension in discrete formulation and significant efforts have been made to bring maximum flexibility to the functions in order to solve problems in both three-dimensions in an easy and united way.

127 citations

Journal Article•10.1016/J.CAGEO.2017.06.018•
A framework for simulation and inversion in electromagnetics

[...]

Lindsey J. Heagy1, Rowan Cockett1, Seogi Kang1, Gudni Karl Rosenkjaer1, Douglas W. Oldenburg1 •
University of British Columbia1
01 Oct 2017-Computers & Geosciences
TL;DR: An object-oriented approach for defining and organizing each of the necessary elements in an electromagnetic simulation, including: the physical properties, sources, formulation of the discrete problem to be solved, the resulting fields and fluxes, and receivers used to sample to the electromagnetic responses are taken.

123 citations

Journal Article•10.1016/J.CAGEO.2017.08.013•
Automatic extraction of blocks from 3D point clouds of fractured rock

[...]

Na Chen1, Na Chen2, John Kemeny2, Qinghui Jiang1, Qinghui Jiang3, Zhiwen Pan2 •
Wuhan University1, University of Arizona2, Nanchang University3
01 Dec 2017-Computers & Geosciences
TL;DR: The results demonstrate that the proposed method for extracting blocks and calculating block size automatically from rock surface 3D point clouds is accurate and overcomes the inaccuracies, safety hazards, and biases of traditional techniques.

122 citations

Journal Article•10.1016/J.CAGEO.2016.12.010•
Development of a coupled wave-flow-vegetation interaction model

[...]

Alexis Beudin1, Tarandeep S. Kalra1, Neil K. Ganju1, John C. Warner1•
United States Geological Survey1
01 Mar 2017-Computers & Geosciences
TL;DR: The implementation of a wave-flow-vegetation module into a Coupled-Ocean-Atmosphere-Wave-Sediment Transport (COAWST) modeling system that includes a flow model and a wave model is described, and various interacting processes using an idealized shallow basin application are illustrated.

108 citations

Journal Article•10.1016/J.CAGEO.2016.10.010•
An intelligent system for mineral identification in thin sections based on a cascade approach

[...]

Hossein Izadi, Javad Sadri1, Mahdokht Bayati2•
University of Birjand1, University of Tehran2
01 Feb 2017-Computers & Geosciences
TL;DR: An intelligent system for mineral identification in thin sections based on RGB and HSI color spaces and texture features in plane and cross polarized light is proposed and a real time and reliable segmentation and identification map is created.

102 citations

Journal Article•10.1016/J.CAGEO.2017.03.003•
Mechanical properties and energy conversion of 3D close-packed lattice model for brittle rocks

[...]

Chun Liu1, Qiang Xu2, Bin Shi3, Shang Deng1, Hong-Hu Zhu3 •
Stanford University1, Chengdu University of Technology2, Nanjing University3
01 Jun 2017-Computers & Geosciences
TL;DR: The conversion formulas between inter-element parameters and rock mechanical properties were derived and, based on the methods, a Matlab code MatDEM was developed to validate the model.

101 citations

Journal Article•10.1016/J.CAGEO.2016.08.008•
SwathProfiler and NProfiler

[...]

J.V. Prez-Pea1, M. Al-Awabdeh1, J.M. Azan2, Jorge Pedro Galve1, Guillermo Booth-Rea2, Davide Notti1 •
University of Granada1, Spanish National Research Council2
01 Jul 2017-Computers & Geosciences
TL;DR: In this paper, the authors presented two ArcGIS add-ins to automatically delineate swath and normalized river profiles, which are programmed in Visual Basic. NET and use ArcObjects library-architecture to access directly to vector and raster data.

101 citations

Journal Article•10.1016/J.CAGEO.2017.10.011•
Earthquake prediction in California using regression algorithms and cloud-based big data infrastructure

[...]

G. Asencio–Cortés1, A. Morales–Esteban1, Xueyi Shang2, F. Martínez–Álvarez1•
University of Seville1, Central South University2
01 Oct 2017-Computers & Geosciences
TL;DR: The use of several regression algorithms combined with ensemble learning is explored in the context of big data in order to predict earthquakes magnitude within the next seven days, reporting very promising results.
Journal Article•10.1016/J.CAGEO.2017.03.007•
A transfer learning method for automatic identification of sandstone microscopic images

[...]

Na Li1, Huizhen Hao2, Qing Gu1, Wang Danru1, Xiumian Hu1 •
Nanjing University1, Nanjing Institute of Technology2
01 Jun 2017-Computers & Geosciences
TL;DR: The experimental results have proved both effectiveness and validity of Festra, which provides competitive prediction performance on all the four regions, with few target instances labeled suitable for the field use.
Journal Article•10.1016/J.CAGEO.2017.08.005•
Cloud archiving and data mining of High-Resolution Rapid Refresh forecast model output

[...]

Brian K. Blaylock1, John D. Horel1, Samuel T. Liston1•
University of Utah1
01 Dec 2017-Computers & Geosciences
TL;DR: This work illustrates the use of a private cloud object store developed by the Center for High Performance Computing (CHPC) at the University of Utah, proving to be a scalable, reliable, extensible, affordable, and usable archive solution for research.
Journal Article•10.1016/J.CAGEO.2016.10.004•
CoinCalcA new R package for quantifying simultaneities of event series

[...]

Jonatan F. Siegmund1, Nicole Siegmund2, Reik V. Donner3•
University of Potsdam1, Karlsruhe Institute of Technology2, Potsdam Institute for Climate Impact Research3
01 Jan 2017-Computers & Geosciences
TL;DR: The new R package CoinCalc is presented for performing event coincidence analysis (ECA), a novel statistical method to quantify the simultaneity of events contained in two series of observations, either as simultaneous or lagged coincidences within a user-specific temporal tolerance window.
Journal Article•10.1016/J.CAGEO.2016.11.002•
A region-growing approach for automatic outcrop fracture extraction from a three-dimensional point cloud

[...]

Xin Wang1, Lejun Zou1, Xiaohua Shen1, Ren Yupeng1, Yi Qin1 •
Zhejiang University1
01 Feb 2017-Computers & Geosciences
TL;DR: A region-growing-based method for automatic outcrop fracture extraction using criteria based on the local surface normal and curvature of the point cloud is proposed, which identified and extracted the full extent of individual fractures with high accuracy.
Journal Article•10.1016/J.CAGEO.2016.11.009•
Parallelized 3D CSEM modeling using edge-based finite element with total field formulation and unstructured mesh

[...]

Hongzhu Cai, Xiangyun Hu1, Jianhui Li1, Masashi Endo, Bin Xiong2 •
China University of Geosciences (Wuhan)1, Guilin University of Technology2
01 Feb 2017-Computers & Geosciences
TL;DR: An edge-based finite element method for 3D CSEM modeling which is effective in modeling complex geometry such as bathymetry and capable of dealing with anisotropic conductivity is developed.
Journal Article•10.1016/J.CAGEO.2017.02.014•
Estimating permeability from thin sections without reconstruction: Digital rock study of 3D properties from 2D images

[...]

Nishank Saxena1, Nishank Saxena2, Gary Mavko2, Ronny Hofmann1, Nattavadee Srisutthiyakorn2 •
Royal Dutch Shell1, Stanford University2
31 May 2017-Computers & Geosciences
TL;DR: The proposed models are proposed to first calibrate the proposed models using the available 3D information on the rock microstructure and then predict the permeability for rocks from the same geological formation for which only 2D thin sections are available.
Journal Article•10.1016/J.CAGEO.2017.03.020•
Impact of mineralogical heterogeneity on reactive transport modelling

[...]

Min Liu1, Mehdi Shabaninejad2, Peyman Mostaghimi1•
University of New South Wales1, Australian National University2
01 Jul 2017-Computers & Geosciences
TL;DR: Numerical results show that mineralogical heterogeneity can cause significant errors in permeability prediction, if a uniform mineral distribution is assumed, and errors are smaller in high Pclet regimes than in low P clet regimes in this sample.
Journal Article•10.1016/J.CAGEO.2017.07.009•
Rectification of Image Velocity Results (RIVeR): A simple and user-friendly toolbox for large scale water surface Particle Image Velocimetry (PIV) and Particle Tracking Velocimetry (PTV)

[...]

Antoine Patalano1, Carlos M. García1, Andrés Rodriguez1•
National Scientific and Technical Research Council1
01 Dec 2017-Computers & Geosciences
TL;DR: A methodology based on state-of-the-art tools resulting in large-scale surface-flow characterization according to the first operational version of the RIVeR (Rectification of Image Velocity Results).
Journal Article•10.1016/J.CAGEO.2016.09.009•
TOUGH3: A new efficient version of the TOUGH suite of multiphase flow and transport simulators

[...]

Yoojin Jung1, George Shu Heng Pau1, Stefan Finsterle1, Ryan M. Pollyea2•
Lawrence Berkeley National Laboratory1, Virginia Tech2
01 Nov 2017-Computers & Geosciences
TL;DR: TOUGH3—a new base version of TOUGH—addresses the increasing complexity of the simulated processes as well as the growing size of model domains that need to be handled and incorporates many new features, addresses bugs, and improves the flexibility of data handling.
Journal Article•10.1016/J.CAGEO.2017.02.012•
Modification of the random forest algorithm to avoid statistical dependence problems when classifying remote sensing imagery

[...]

Fulgencio Cánovas-García1, Fulgencio Cánovas-García2, Francisco Alonso-Sarría3, Francisco Gomariz-Castillo3, Fernando Oñate-Valdivieso1 •
Universidad Técnica Particular de Loja1, University of Cuenca2, University of Murcia3
01 Jun 2017-Computers & Geosciences
TL;DR: It is shown that out-of-bag cross-validation clearly overestimates accuracy, both overall and per class when classifying remote sensing imagery using training areas with several pixels or objects, and a modification of the random forest algorithm to split training patches instead of the pixels (or objects) that compose them is proposed.
Journal Article•10.1016/J.CAGEO.2016.09.007•
An overview of TOUGH-based geomechanics models

[...]

Jonny Rutqvist1•
Lawrence Berkeley National Laboratory1
01 Nov 2017-Computers & Geosciences
TL;DR: A brief overview of over 15 TOUGH-based geomechanics models, focusing on some of the most frequently applied to a diverse set of problems associated with geomechamics and its couplings to hydraulic, thermal and chemical processes are provided.
Journal Article•10.1016/J.CAGEO.2017.06.010•
Wind wave analysis in depth limited water using OCEANLYZ, A MATLAB toolbox

[...]

Arash Karimpour1, Qin Chen1•
Louisiana State University1
01 Sep 2017-Computers & Geosciences
TL;DR: To provide researchers with tools for a reliable estimation of wind wave parameters, the Ocean Wave Analyzing toolbox, OCEANLYZ, is introduced and contains a number of MATLAB functions for estimation of the wave properties in time and frequency domains.
Journal Article•10.1016/J.CAGEO.2017.07.001•
WASS: An open-source pipeline for 3D stereo reconstruction of ocean waves

[...]

Filippo Bergamasco1, Andrea Torsello1, Mauro Sclavo2, Francesco Barbariol2, Alvise Benetazzo2 •
Ca' Foscari University of Venice1, National Research Council2
01 Oct 2017-Computers & Geosciences
TL;DR: WASS implements a fast 3D dense stereo reconstruction procedure based on the consolidated OpenCV library and includes set of filtering techniques both on the disparity map and the produced point cloud to remove the vast majority of erroneous points that can naturally arise while analyzing the optically complex nature of the water surface.
Journal Article•10.1016/J.CAGEO.2016.12.013•
On the use of feature selection to improve the detection of sea oil spills in SAR images

[...]

David Mera1, Verónica Bolón-Canedo, José M. Cotos1, Amparo Alonso-Betanzos•
University of Santiago de Compostela1
01 Mar 2017-Computers & Geosciences
TL;DR: A generic and systematic approach, based on FS methods, for choosing a concise and relevant set of features to improve the oil spill detection systems and discarded irrelevant features and improved the classifier accuracy.
Journal Article•10.1016/J.CAGEO.2017.03.017•
Towards semi-automatic rock mass discontinuity orientation and set analysis from 3D point clouds

[...]

Jiateng Guo1, Shanjun Liu1, Peina Zhang1, Lixin Wu1, Wenhui Zhou1, Yinan Yu1 •
Northeastern University (China)1
01 Jun 2017-Computers & Geosciences
TL;DR: A method that is based on a 3D point cloud is proposed to semi-automatically extract rock mass structural plane information and can provide a reference for rock mechanics, 3D geological modelling and other related fields.
Journal Article•10.1016/J.CAGEO.2017.01.004•
Accurate and efficient maximal ball algorithm for pore network extraction

[...]

Frederick Arand1, Jrgen Hesser1•
Heidelberg University1
01 Apr 2017-Computers & Geosciences
TL;DR: Structural modifications to the maximal ball algorithm are described, while the basic concepts are preserved, to improve accuracy and efficiency and to improve algorithmic speed and memory efficiency.
Journal Article•10.1016/J.CAGEO.2017.03.015•
A machine learning approach to the potential-field method for implicit modeling of geological structures

[...]

talo Gomes Gonalves1, Sissa Kumaira1, Felipe Guadagnin1•
Universidade Federal do Pampa1
01 Jun 2017-Computers & Geosciences
TL;DR: This work proposes a vector potential-field solution from a machine learning perspective, recasting the problem as multi-class classification, which alleviates some of the original method's assumptions.
Journal Article•10.1016/J.CAGEO.2016.12.005•
Identifying P phase arrival of weak events

[...]

Xibing Li, Xueyi Shang1, Antonio Morales-Esteban2, Zewei Wang1•
Central South University1, University of Seville2
01 Mar 2017-Computers & Geosciences
TL;DR: An EMD-AIC picker has been proposed to identify micro-seismic P phase arrival and works efficiently for the majority of identifications and has a better picking accuracy than the DWT-A IC pickings.
Journal Article•10.1016/J.CAGEO.2017.05.008•
A new method for geochemical anomaly separation based on the distribution patterns of singularity indices

[...]

Yue Liu1, Yue Liu2, Kefa Zhou1, Qiuming Cheng2, Qiuming Cheng3 •
Chinese Academy of Sciences1, York University2, China University of Geosciences (Wuhan)3
01 Aug 2017-Computers & Geosciences
TL;DR: The proposed singularity-quantile (S-Q) analysis method was very sensitive to the changes of singularity indices with three segments when it was applied to characterize geochemical element enrichment processes and can be considered as an efficient and powerful tool for separating hybrid geochemical anomalies on the basis of statistical and inherent fractal/multifractal properties.
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